[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.30"]
[Round "1"]
[White "Rymuza, Jeffrey"]
[Black "Sundararajan, Kidambi"]
[Result "0-1"]
[BlackTitle "GM"]
[BlackElo "2491"]
[ECO "A11"]
[Opening "English"]
[Variation "Caro-Kann defensive system"]
[BlackFideId "5005370"]
[EventDate "2011.07.30"]

1. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. g3 Nf6 5. Bg2 Nc6 6. Nf3 d4 7. Na4 e5 8. b3
Bd6 9. d3 O-O 10. O-O b5 11. Nb2 Bb7 12. Bg5 h6 13. Bd2 Nd5 14. a3 Rc8 15. b4
Nc3 16. Qe1 a5 17. Bh3 Rc7 18. Bxc3 dxc3 19. Qxc3 Nd4 20. Qe1 Bxf3 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.30"]
[Round "1"]
[White "Gomez, Augustin R"]
[Black "Zapata, Alonso"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "1913"]
[BlackElo "2472"]
[ECO "A03"]
[Opening "Bird's opening"]
[WhiteFideId "2020670"]
[BlackFideId "4400011"]
[EventDate "2011.07.30"]

1. f4 d5 2. e3 g6 3. Nf3 Bg7 4. Be2 c5 5. O-O Nc6 6. d3 Nf6 7. Ne5 O-O 8. Nc3 d4
9. Nxc6 bxc6 10. Ne4 Nd5 11. Nxc5 Qb6 12. Nb3 Nxe3 13. Bxe3 dxe3 14. d4 a5 15.
Rb1 Rd8 16. c3 Bf5 17. Bd3 a4 18. Nc1 Bxd4 19. Qe2 Bg7 20. Re1 a3 21. Bxf5 gxf5
22. Nd3 axb2 23. Rxb2 Qa5 24. Ne5 Bxe5 25. fxe5 Qxc3 26. Rc2 Qxe5 27. Qxe3 Qxe3+
28. Rxe3 e6 29. a3 Ra6 30. Rg3+ Kf8 31. Rh3 Kg7 32. Rg3+ Kf6 33. Rcc3 Rd2 34. h3
h5 35. Rc4 Ra2 36. Rcc3 Rb6 37. h4 f4 38. Rg5 Rb1+ 39. Kh2 Raa1 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.30"]
[Round "1"]
[White "Kaufman, Larry C"]
[Black "Archuleta, Dante"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2406"]
[ECO "A80"]
[Opening "Dutch, 2.Bg5 variation"]
[WhiteFideId "2000555"]
[BlackFideId "2062372"]
[EventDate "2011.07.30"]

1. d4 f5 2. Bg5 h6 3. Bh4 g5 4. Bg3 Bg7 5. e3 Nf6 6. h4 d6 7. hxg5 hxg5 8. Rxh8+
Bxh8 9. Nc3 Be6 10. Bd3 Qd7 11. d5 Bf7 12. Nf3 Nxd5 13. Nxd5 Bxd5 14. Nxg5 Bxb2
15. Qh5+ Kd8 16. Rb1 Bc3+ 17. Kf1 c5 18. Nf7+ Kc7 19. Bxf5 Qe8 20. Bg6 Qc6 21.
e4 Bc4+ 22. Kg1 Nd7 23. e5 Bxf7 24. exd6+ exd6 25. Bxf7 Rh8 26. Qd1 Nb6 27. Qe2
Qd7 28. Bg6 Qg7 29. Qe6 Be5 30. Bxe5 dxe5 31. Bf5 Rh6 32. Qe8 Rf6 33. Qxe5+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.30"]
[Round "1"]
[White "Sloan, Kenneth"]
[Black "Adams, Nick A."]
[Result "0-1"]
[WhiteElo "1988"]
[BlackElo "2240"]
[ECO "A13"]
[Opening "English opening"]
[WhiteFideId "2025833"]
[BlackFideId "2009358"]
[EventDate "2011.07.30"]

1. c4 e6 2. g3 d5 3. Bg2 Be7 4. d4 Nf6 5. Qb3 O-O 6. Nc3 c5 7. Nf3 Nc6 8. dxc5
dxc4 9. Qxc4 Qa5 10. O-O Qxc5 11. Qxc5 Bxc5 12. Bg5 Bd7 13. Rac1 Be7 14. Rfd1
Rad8 15. Nd4 h6 16. Nxc6 Bxc6 17. Be3 Bxg2 18. Kxg2 a6 19. Bb6 Rc8 20. Na4 Rfe8
21. Nc5 Rc6 22. Na4 Rec8 23. Rxc6 Rxc6 24. Bd8 Bf8 25. Bxf6 gxf6 26. Rd7 b5 27.
Nc3 f5 28. Rd8 Kg7 29. Ra8 Bb4 30. a3 Be7 31. e3 b4 32. axb4 Bxb4 33. Kf3 Rb6
34. Ke2 Be7 35. Na4 Rc6 36. Nc3 Bb4 37. Kd3 a5 38. Kc2 Rd6 39. Rc8 Kg6 40. Rc4
Kg5 41. h3 Kf6 42. e4 Rd8 43. exf5 Kxf5 44. Rf4+ Kg6 45. Rg4+ Kh7 46. Ne4 Be7
47. Nc3 f5 48. Rc4 Kg6 49. Ne2 e5 50. f3 Bb4 51. Nc3 Rd6 52. Rc8 Kf7 53. Rc7+
Kg6 54. Rc8 Bxc3 55. Rxc3 Kf6 56. Rc5 Ra6 57. Kc3 a4 58. Kd3 Rb6 59. Rc2 Rb3+
60. Ke2 e4 61. fxe4 fxe4 62. Kf2 Ke5 63. Re2 Rf3+ 64. Kg2 Kd4 65. Rd2+ Rd3 66.
Re2 Rf3 67. Rd2+ Ke5 68. Re2 Rb3 69. Kf2 Rb6 70. Rd2 Rf6+ 71. Kg2 e3 72. Rc2 Kd4
73. g4 Kd3 74. Rc3+ Kd2 75. Rc7 Rd6 76. Re7 e2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.30"]
[Round "1"]
[White "Dean, Jim H."]
[Black "Mayers, Dan E."]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2272"]
[BlackElo "1946"]
[ECO "E26"]
[Opening "Nimzo-Indian"]
[Variation "Saemisch, O'Kelly variation"]
[WhiteFideId "2012340"]
[BlackFideId "2007282"]
[EventDate "2011.07.30"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 b6 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 Bb7 8. f3
Nc6 9. Ne2 e5 10. O-O O-O 11. d5 Na5 12. e4 Ba6 13. f4 d6 14. fxe5 dxe5 15. Bg5
Bxc4 16. Ng3 Bxd3 17. Qxd3 Nb7 18. Bxf6 gxf6 19. Nh5 Kh8 20. Nxf6 Rg8 21. Nxg8
Qxg8 22. Rf6 Rd8 23. Qf3 Nd6 24. Qh5 Nxe4 25. Rxf7 Ng5 26. Rf5 Ne4 27. Raf1 Re8
28. Rxe5 Nd6 29. Rg5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.30"]
[Round "1"]
[White "Naroditsky, Daniel"]
[Black "Rogers, Donald D"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2451"]
[ECO "C65"]
[Opening "Ruy Lopez"]
[Variation "Berlin defence"]
[WhiteFideId "2026961"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. c3 Be7 6. Nbd2 Bd7 7. Nf1 a6 8. Ba4
Na5 9. Bc2 c5 10. Ne3 g6 11. O-O b5 12. d4 cxd4 13. cxd4 Qc7 14. b3 Bc6 15. Bb2
Bxe4 16. Bxe4 Nxe4 17. dxe5 Nc3 18. Bxc3 Qxc3 19. Nd5 Qb2 20. Nxe7 Kxe7 21.
Qxd6+ Ke8 22. Ng5 Rd8 23. Qc7 Rf8 24. Nxh7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.30"]
[Round "1"]
[White "Ross, David L"]
[Black "Casden, Alan"]
[Result "0-1"]
[BlackElo "2153"]
[ECO "A37"]
[Opening "English"]
[Variation "symmetrical variation"]
[BlackFideId "2035367"]
[EventDate "2011.07.30"]

1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. Nf3 d6 6. O-O Nh6 7. d3 Nf5 8. Bd2 h5
9. h4 Rb8 10. Rb1 b6 11. a3 Bb7 12. e3 O-O 13. Ne2 Ne5 14. Nxe5 Bxg2 15. Nxf7
Rxf7 16. Kxg2 Be5 17. Bc3 e6 18. Bxe5 dxe5 19. Qc2 g5 20. hxg5 Qxg5 21. e4 Nh4+
22. Kh1 Nf3 23. Rbd1 Qg4 24. Ng1 h4 25. Qe2 Rbf8 26. Nxf3 Rxf3 27. Kg2 hxg3 28.
Rg1 Rxf2+ 29. Qxf2 Rxf2+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.30"]
[Round "1"]
[White "Rhodes, Tyler C"]
[Black "Strenzwilk, Denis"]
[Result "0-1"]
[BlackElo "2026"]
[ECO "D31"]
[Opening "QGD"]
[Variation "Charousek (Petrosian) variation"]
[BlackFideId "2006677"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. e4 dxe4 5. Nxe4 Nf6 6. Nc3 O-O 7. Nf3 c5 8. Be2
cxd4 9. Qxd4 Qxd4 10. Nxd4 a6 11. Bf4 Bd7 12. Bf3 Nc6 13. Nxc6 Bxc6 14. Bxc6
bxc6 15. O-O-O Rfd8 16. f3 h6 17. Bc7 Rxd1+ 18. Rxd1 Kf8 19. Kc2 Ke8 20. Be5 g6
21. Rd3 Nd7 22. Bd6 Rc8 23. b3 f5 24. Bxe7 Kxe7 25. f4 e5 26. fxe5 Nxe5 27. Re3
Kf6 28. h3 Rd8 29. Ne2 g5 30. Ng1 f4 31. Rc3 c5 32. Nf3 h5 33. a3 a5 34. Nxe5
Kxe5 35. Rd3 Rxd3 36. Kxd3 g4 37. hxg4 hxg4 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "2"]
[White "Shvartsman, Andrew Nathaniel"]
[Black "Gater, Daniel"]
[Result "1-0"]
[WhiteTitle "CM"]
[WhiteElo "2209"]
[BlackElo "2136"]
[ECO "B96"]
[Opening "Sicilian"]
[Variation "Najdorf, 7.f4"]
[WhiteFideId "2006111"]
[BlackFideId "2050374"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4
Be7 9. Qf3 Nbd7 10. O-O-O Qc7 11. Bd3 g5 12. fxg5 Ne5 13. Qe2 Nfg4 14. Nf3 Nxf3
15. gxf3 hxg5 16. Bg3 Ne5 17. h4 gxh4 18. f4 Nc6 19. Qg4 Bd7 20. Bxh4 Bxh4 21.
Rxh4 O-O-O 22. Rxh8 Rxh8 23. Qg7 Qd8 24. Bc4 Na5 25. Be2 Kc7 26. b4 Nc6 27. b5
Rg8 28. Qxf7 Rf8 29. Qh5 Be8 30. Qh7+ Rf7 31. Qh6 Rf6 32. Qh4 Nb8 33. e5 Rf5 34.
Qh6 Bf7 35. Rxd6 Qg8 36. b6+ Kc8 37. Bg4 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "2"]
[White "Karas, Nicholas"]
[Black "Vilenchuk, Michael"]
[Result "0-1"]
[WhiteElo "2142"]
[BlackElo "2183"]
[ECO "B70"]
[Opening "Sicilian"]
[Variation "dragon variation"]
[WhiteFideId "2042339"]
[BlackFideId "2036959"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bg5 Bg7 7. Bb5+ Bd7 8.
Qe2 O-O 9. O-O-O Bxb5 10. Ndxb5 Qa5 11. f4 Nc6 12. h4 Nh5 13. Rh3 a6 14. Na3 Nd4
15. Qf2 Nb5 16. Ncxb5 axb5 17. Rd5 f6 18. Rxb5 Qa4 19. g4 fxg5 20. gxh5 Rxf4 21.
Qg2 Raf8 22. Rh1 Rf2 23. Qh3 Qxe4 24. Rd1 R2f3 25. Qg2 gxh4 26. hxg6 hxg6 27.
Kb1 h3 28. Qh1 Qe2 29. Rbd5 Rf1 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "2"]
[White "Fishbein, Matthew E"]
[Black "Brown, Michael William"]
[Result "0-1"]
[BlackElo "2121"]
[ECO "D20"]
[Opening "QGA"]
[Variation "3.e4"]
[WhiteFideId "2055783"]
[BlackFideId "2037602"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Nxd4 Bc5 6. Be3 Nf6 7. Nc3 O-O 8.
Bxc4 Qe7 9. Qc2 Re8 10. O-O Bd7 11. Qb3 Bb6 12. e5 Ng4 13. Nd5 Qxe5 14. Nf3 Qh5
15. Bxb6 cxb6 16. Nc7 b5 17. Bd5 Bc6 18. Bxc6 Nxc6 19. Nxa8 Nd4 20. h3 Nxb3 21.
hxg4 Qxg4 22. axb3 Rxa8 23. Rfc1 a6 24. Rc7 h5 25. Ne5 Qf4 26. Re7 Qf6 27. Rxb7
Qxe5 28. Rc1 Qxb2 29. Rcc7 Qxb3 30. g3 Qd1+ 31. Kg2 h4 32. Rxf7 Qd5+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "2"]
[White "Vazquez Maccarini, Danitza"]
[Black "Gologorsky, Rachel"]
[Result "0-1"]
[WhiteTitle "WFM"]
[WhiteElo "1785"]
[ECO "B56"]
[Opening "Sicilian"]
[WhiteFideId "3101193"]
[BlackFideId "2065711"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Ng4 7. Bg5 h6 8. Bh4
g5 9. Bg3 Bg7 10. Nxc6 bxc6 11. h3 Qa5 12. Qd2 Ne5 13. Be2 Rb8 14. O-O Rxb2 15.
f3 Ng6 16. Be1 Nf4 17. Bd3 Nxd3 18. Qxd3 Ba6 19. Nd1 Qb6+ 20. Bf2 Bxd3 21. Bxb6
Rxb6 22. cxd3 Bxa1 23. Nf2 Bd4 24. Kh2 Bxf2 25. Rxf2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "3"]
[White "Vilenchuk, Michael"]
[Black "Moon, Ryan Joseph"]
[Result "1-0"]
[WhiteElo "2183"]
[BlackElo "2185"]
[ECO "B53"]
[Opening "Sicilian, Chekhover variation"]
[WhiteFideId "2036959"]
[BlackFideId "2036274"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. Be3 Nc6 6. Qd2 Nf6 7. Nc3 e6 8.
O-O-O Be7 9. Bf4 e5 10. Bg5 Qa5 11. Bxf6 gxf6 12. Nd5 Qxa2 13. Qc3 Be6 14. Bc4
Qa1+ 15. Kd2 Qa5 16. Qxa5 Nxa5 17. Nc7+ Kd7 18. Bxe6+ fxe6 19. Nxa8 Rxa8 20. g4
Rg8 21. Rhg1 d5 22. Kc1 Kc6 23. g5 Rf8 24. gxf6 Bxf6 25. Ng5 Bxg5+ 26. Rxg5 Rxf2
27. Rxe5 Kd6 28. Rh5 Nc4 29. b3 Ne3 30. Rd2 Rf7 31. exd5 exd5 32. Rd3 Re7 33. c4
d4 34. Rxd4+ Kc6 35. Kb2 Rg7 36. Kc3 b5 37. Rh6+ Kb7 38. Rdh4 Rg2 39. Rxh7+ Kb6
40. R4h6+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "3"]
[White "Riegelhaupt, Cory"]
[Black "Fishbein, Matthew E"]
[Result "0-1"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[BlackFideId "2055783"]
[EventDate "2011.07.30"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. f4 Nc6 7. Nf3 Bg4 8. Be2
Rc8 9. a3 e6 10. exd6 Bxd6 11. g3 Bxf3 12. Bxf3 Nxd4 13. Qxd4 Rxc1+ 14. Ke2 Rxh1
15. Bxh1 O-O 16. Bxd5 exd5 17. Qxd5 Re8+ 18. Kf1 Qb6 19. b4 a5 20. b5 Qe3 21.
Qxd6 Qf3+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "3"]
[White "Sundararajan, Kidambi"]
[Black "Luchan, Jason"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2491"]
[BlackElo "2101"]
[ECO "E00"]
[Opening "Catalan opening"]
[WhiteFideId "5005370"]
[BlackFideId "2008637"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 Nc6 6. e3 e5 7. d5 Bxd2+ 8. Qxd2
Nb8 9. Nc3 d6 10. Nge2 a5 11. O-O O-O 12. b3 Na6 13. a3 Bg4 14. h3 Bd7 15. Rab1
Nc5 16. b4 axb4 17. axb4 Na4 18. Nxa4 Rxa4 19. Rfc1 Bf5 20. Rb2 Rfa8 21. g4 Bg6
22. Ng3 h5 23. g5 Nd7 24. h4 f5 25. f4 exf4 26. exf4 Ra3 27. Nf1 Ra1 28. Rbc2
R8a3 29. Kf2 Ne5 30. fxe5 Qxe5 31. Rxa1 Rxa1 32. Qc3 Ra2 33. Qxe5 Rxc2+ 34. Qe2
Rxe2+ 35. Kxe2 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "3"]
[White "Helfst, Matt D"]
[Black "Naroditsky, Daniel"]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "1971"]
[BlackElo "2451"]
[ECO "A10"]
[Opening "English opening"]
[WhiteFideId "2044102"]
[BlackFideId "2026961"]
[EventDate "2011.07.30"]

1. c4 g6 2. Nf3 Bg7 3. Nc3 d6 4. g3 Nf6 5. Bg2 O-O 6. O-O e5 7. d3 Re8 8. e4 a5
9. Ne1 Nc6 10. Nc2 Bg4 11. Bf3 Bxf3 12. Qxf3 Nd7 13. h4 Nd4 14. Nxd4 exd4 15.
Ne2 Ne5 16. Qg2 Nxd3 17. Rd1 Nxc1 18. Raxc1 Bh6 19. Rc2 c5 20. Rd3 Qe7 21. f3
Qd7 22. g4 Be3+ 23. Kh1 b5 24. b3 a4 25. b4 bxc4 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "3"]
[White "Zapata, Alonso"]
[Black "Salomon, Johan"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2472"]
[BlackElo "1944"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Lipnitzky attack"]
[WhiteFideId "4400011"]
[BlackFideId "1509500"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. O-O b5 8. Bb3
Qb6 9. Re1 Nbd7 10. a4 bxa4 11. Nxa4 Qc7 12. Bg5 Bb7 13. Nc3 Be7 14. Bxe6 fxe6
15. Nxe6 Qc4 16. Nxg7+ Kf7 17. Nf5 Rae8 18. Ra4 Qc5 19. Rd4 Bf8 20. Rxd6 Bxd6
21. Nxd6+ Kg7 22. Bxf6+ Nxf6 23. Nxb7 Qg5 24. Qd4 Qe5 25. Qxe5 Rxe5 26. f4 Re7
27. Nd6 Kg6 28. Re3 h5 29. e5 h4 30. Rd3 Ng4 31. Nd5 Rg7 32. h3 Nh6 33. g4 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "3"]
[White "Hough, Randall D."]
[Black "Kaufman, Larry C"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "1994"]
[BlackElo "2406"]
[ECO "D71"]
[Opening "Neo-Gruenfeld, 5.cd"]
[WhiteFideId "2010160"]
[BlackFideId "2000555"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 Nb6 7. O-O Nc6 8. d5
Qxd5 9. Nc3 Qxd1 10. Rxd1 O-O 11. Nb5 Bf5 12. Nh4 Bg4 13. f3 Bd7 14. Nxc7 Rac8
15. Nd5 Nxd5 16. Rxd5 Be6 17. Rd1 Nd4 18. Bf1 Nc2 19. Rb1 Bxa2 20. Bd2 Bxb1 21.
Rxb1 Rfd8 22. Bc3 Bxc3 23. bxc3 b6 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "3"]
[White "Schlagenhauf, Mark"]
[Black "Dean, Jim H."]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2179"]
[BlackElo "2272"]
[ECO "D31"]
[Opening "QGD"]
[Variation "Charousek (Petrosian) variation"]
[WhiteFideId "1500520"]
[BlackFideId "2012340"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 Nf6 6. e3 O-O 7. Bd3 c5 8. dxc5
Bxc5 9. Rc1 Nc6 10. Nf3 d4 11. Nxd4 Nxd4 12. exd4 Qxd4 13. Bg3 Bg4 14. Be2 Rfe8
15. Qxd4 Bxd4 16. f3 Bf5 17. Bf2 Bxc3+ 18. Rxc3 Nd5 19. Ra3 Rac8 20. Kd1 Red8 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "3"]
[White "Strenzwilk, Denis"]
[Black "Dellova, John P"]
[Result "1-0"]
[WhiteElo "2026"]
[ECO "B00"]
[Opening "King's pawn opening"]
[WhiteFideId "2006677"]
[EventDate "2011.07.30"]

1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. Bd3 Nf6 5. c3 O-O 6. Be3 c6 7. h3 Nbd7 8. Qd2
Re8 9. O-O b6 10. Na3 Bb7 11. Rad1 e6 12. Rfe1 Qc7 13. Bf4 e5 14. Bh2 Rad8 15.
Bc2 b5 16. dxe5 Nxe5 17. Nxe5 dxe5 18. Qe3 a5 19. Rxd8 Rxd8 20. Re2 Bc8 21. Nb1
Be6 22. b3 Nd7 23. Rd2 Bf8 24. Qe2 Bh6 25. Rd1 Bf8 26. Nd2 Bd6 27. Nf3 f6 28.
Bg3 Kg7 29. Nh2 h5 30. Nf1 Be7 31. Ne3 Bf7 32. f3 Nc5 33. Bf2 Rxd1+ 34. Qxd1 Qd6
35. Qxd6 Bxd6 36. g4 hxg4 37. hxg4 Ne6 38. Kf1 Nf4 39. Nd1 c5 40. Be3 Kf8 41.
Nb2 Ke7 42. a4 b4 43. cxb4 cxb4 44. Bb6 Ne6 45. Nc4 Bc7 46. Bxa5 Bxa5 47. Nxa5
Nd4 48. Bd1 Kd7 49. Ke1 Kc7 50. Kd2 Kb6 51. Nc4+ Bxc4 52. bxc4 g5 53. Kd3 Kc5
54. a5 Nc6 55. a6 Kb6 56. Ba4 Na7 57. Bb5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "3"]
[White "Blair, David A"]
[Black "Mathys, David A."]
[Result "1-0"]
[BlackElo "2005"]
[ECO "A48"]
[Opening "King's Indian"]
[Variation "Torre attack"]
[WhiteFideId "2043190"]
[BlackFideId "2009757"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 O-O 5. e4 d5 6. e5 Ne4 7. Bd3 Nxg5 8.
Nxg5 c5 9. h4 e6 10. Qg4 f5 11. exf6 Qxf6 12. Nxh7 Kxh7 13. O-O-O c4 14. h5 cxd3
15. hxg6+ Kg8 16. Qh5 Re8 17. Rh3 dxc2 18. Rdh1 Nc6 19. Rf3 Qxf3 20. Nxf3 e5 21.
Re1 Nb4 22. Nxe5 Rxe5 23. Rxe5 Nd3+ 24. Kxc2 Nxe5 25. dxe5 Be6 26. f4 Rc8+ 27.
Kd2 Rc4 28. f5 Rd4+ 29. Kc2 Rc4+ 30. Kb3 Bd7 31. f6 Ba4+ 32. Ka3 Bf8+ 33. b4
Bxb4+ 34. Kxa4 Bc5+ 35. Kb3 Rb4+ 36. Kc2 Rc4+ 37. Kd1 Rd4+ 38. Ke2 Re4+ 39. Kf3
Re3+ 40. Kg4 Re4+ 41. Kh3 Re3+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "3"]
[White "Skidmore, Jennifer M"]
[Black "Mu, Joshua"]
[Result "0-1"]
[BlackElo "2145"]
[ECO "B02"]
[Opening "Alekhine's defence"]
[WhiteFideId "2032694"]
[BlackFideId "2024420"]
[EventDate "2011.07.30"]

1. e4 Nf6 2. Nc3 Nc6 3. f4 d5 4. e5 Ne4 5. d4 Bf5 6. Nf3 e6 7. Bb5 Be7 8. O-O
O-O 9. Be3 Nb4 10. Nxe4 dxe4 11. Ne1 Nd5 12. Qe2 c5 13. c3 Qb6 14. Nc2 a6 15.
Bc4 Qxb2 16. Bxd5 exd5 17. Rfb1 Qxc3 18. Rb3 Qa5 19. Rxb7 Bc8 20. Rxe7 Qd8 21.
dxc5 Qxe7 22. Rd1 Bb7 23. Nd4 Qxc5 24. Qg4 Bc8 25. Qg5 Qa3 26. f5 f6 27. exf6
Rxf6 28. Bf4 Qe7 29. Rc1 Rf7 30. Qg3 Bxf5 31. Rc7 Qf6 32. Be5 Qg6 33. Qb3 Rxc7
34. Qxd5+ Qf7 35. Qxa8+ Rc8 36. Qxa6 Rc1+ 37. Kf2 Bc8+ 38. Qf6 gxf6 39. Bf4
Qxa2+ 40. Kg3 Rc3+ 41. Kh4 Qxg2 42. Bg3 Qh3# 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "3"]
[White "Finegold, Spencer"]
[Black "Redden, Antonio J"]
[Result "1-0"]
[WhiteElo "2037"]
[ECO "C42"]
[Opening "Petrov"]
[Variation "classical attack, Mason variation"]
[WhiteFideId "2047527"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 Be7 6. Bd3 d5 7. O-O O-O 8. c4
Nf6 9. h3 dxc4 10. Bxc4 b6 11. Nc3 Ba6 12. Bxa6 Nxa6 13. Ne5 h6 14. Qe2 Nb4 15.
Rd1 Nbd5 16. Qc4 Nxc3 17. bxc3 Qd5 18. Qd3 Bd6 19. c4 Qb7 20. Re1 Rfe8 21. Qf5
Bxe5 22. dxe5 Re6 23. Bxh6 g6 24. Qd3 Rae8 25. Bg5 Nh5 26. f4 Qc6 27. Kh2 a5 28.
g4 Ng7 29. Bf6 Qc5 30. Re2 Rc6 31. Rc1 Ne6 32. Qg3 Qd4 33. Rf2 Rxc4 34. Rxc4
Qxc4 35. Qh4 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "3"]
[White "Rich, Tony D"]
[Black "Varnado, Larry W"]
[Result "1-0"]
[ECO "C44"]
[Opening "Scotch gambit"]
[WhiteFideId "2050315"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. Nxc3 Bxc3+ 7. bxc3 Qe7
8. O-O d6 9. h3 Be6 10. Bb5 Bd7 11. Re1 Ne5 12. Bf1 Nf6 13. Nd4 O-O 14. Bg5 h6
15. Bh4 Ng6 16. Bg3 Rad8 17. Rb1 b6 18. Bc4 Ne5 19. Bb3 c5 20. Nf5 Bxf5 21. exf5
Qd7 22. Bxe5 dxe5 23. Rxe5 Qxd1+ 24. Rxd1 Rxd1+ 25. Bxd1 Rd8 26. Bb3 Rd3 27. Re7
Rxc3 28. Bxf7+ Kf8 29. Rxa7 Rc1+ 30. Kh2 c4 31. Be6 b5 32. Rb7 Rb1 33. Bxc4 b4
34. Rf7+ Ke8 35. Rxg7 Rb2 36. f3 Nh5 37. Rg6 Nf4 38. Rg4 Nh5 39. Re4+ Kf8 40.
Re2 Rb1 41. g4 Nf6 42. h4 Rc1 43. Bb3 Rc3 44. Kg3 h5 45. g5 Ne8 46. f6 Nd6 47.
g6 Nf5+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "3"]
[White "Regam, Jessica"]
[Black "Zhao, Audrey Jin Nin"]
[Result "1-0"]
[WhiteElo "1819"]
[ECO "B99"]
[Opening "Sicilian"]
[Variation "Najdorf, 7...Be7 main line"]
[WhiteFideId "2033496"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Nbd7 9. O-O-O Qc7 10. g4 b5 11. Kb1 Bb7 12. Bd3 O-O-O 13. Bxf6 Bxf6 14. Bxb5
Bxd4 15. Bxd7+ Rxd7 16. Rxd4 Kd8 17. Rhd1 Ke7 18. Qe3 Rhd8 19. f5 h6 20. g5 Rh8
21. Rf1 f6 22. gxf6+ gxf6 23. fxe6 Kxe6 24. Qh3+ Kf7 25. Qf5 Qd8 26. e5 Qe7 27.
exf6 Qe6 28. Qh5+ Kf8 29. Rdd1 Rf7 30. Rde1 Qc4 31. Qa5 Rd7 32. Qf5 Rhh7 33. Re7
Rc7 34. Rfe1 Rhxe7 35. fxe7+ Ke8 36. Qg6+ Kd7 37. e8=Q# 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "3"]
[White "Ewing, Gabriel R"]
[Black "Terrie, Henry L"]
[Result "1-0"]
[BlackElo "2075"]
[ECO "A34"]
[Opening "English"]
[Variation "symmetrical variation"]
[WhiteFideId "2061880"]
[BlackFideId "2004127"]
[EventDate "2011.07.30"]

1. c4 c5 2. Nc3 Nf6 3. g3 e6 4. e4 Nc6 5. Bg2 Be7 6. Nge2 a6 7. O-O Qc7 8. d4
cxd4 9. Nxd4 d6 10. b3 O-O 11. Nxc6 bxc6 12. Bf4 Nd7 13. Na4 e5 14. Be3 Nf6 15.
h3 Be6 16. Qc2 Rab8 17. Rad1 h6 18. Rd2 Rfd8 19. Rfd1 Qa5 20. f4 Qc7 21. f5 Bc8
22. g4 Nh7 23. c5 dxc5 24. Rxd8+ Bxd8 25. Bxc5 Be7 26. Bxe7 Qxe7 27. Qxc6 Bb7
28. Qd6 Qxd6 29. Rxd6 Nf6 30. Rb6 Nd7 31. Rd6 Nf6 32. Nc5 Ba8 33. Rxa6 Kh7 34.
Kf2 Rb5 35. Rxa8 Rxc5 36. b4 Rc2+ 37. Kg1 Rb2 38. a3 g6 39. Ra5 gxf5 40. exf5 e4
41. Kf1 Rb1+ 42. Kf2 Rb2+ 43. Kg3 e3 44. Re5 e2 45. Bf3 Rb3 46. Rxe2 Rxa3 47.
Rb2 Ne4+ 48. Kf4 Nc3 49. b5 Na4 50. Rb4 Nb6 51. Rd4 Rb3 52. f6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "3"]
[White "Kelley, Dereque D"]
[Black "Jiang, Alexander D"]
[Result "1-0"]
[WhiteElo "2203"]
[ECO "E98"]
[Opening "King's Indian"]
[Variation "orthodox, Aronin-Taimanov, 9.Ne1"]
[WhiteFideId "2038439"]
[BlackFideId "2047667"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7
9. Ne1 Ne8 10. Be3 f5 11. f3 f4 12. Bf2 b6 13. b4 a5 14. bxa5 Rxa5 15. a4 g5 16.
Nd3 h5 17. Be1 Nf6 18. Nf2 Qd7 19. h3 Kh8 20. Nb5 Ra8 21. a5 bxa5 22. Bxa5 Ne8
23. Bb4 Rxa1 24. Qxa1 Rf6 25. c5 dxc5 26. Bxc5 Rg6 27. Na7 Nd6 28. Rb1 Kh7 29.
Qa3 c6 30. Rb8 Qc7 31. Bxd6 Rxd6 32. Nxc8 Rd8 33. Qxe7 Qxe7 34. Nxe7 Rxb8 35.
dxc6 Rb1+ 36. Kh2 Rc1 37. Nd3 Rc3 38. Nb4 Bf8 39. Nbd5 Rc1 40. Ba6 Bxe7 41. Nxe7
Kg7 42. Bb7 Kf7 43. Nd5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.07.31"]
[Round "3"]
[White "Adams, Nick A."]
[Black "Aird, Ian"]
[Result "1-0"]
[WhiteElo "2240"]
[BlackElo "2020"]
[ECO "A21"]
[Opening "English opening"]
[WhiteFideId "2009358"]
[BlackFideId "2401347"]
[EventDate "2011.07.30"]

1. c4 e5 2. Nc3 d6 3. g3 f5 4. Bg2 Nf6 5. d3 c6 6. e4 Be7 7. Nge2 O-O 8. O-O Na6
9. h3 Kh8 10. Rb1 Nc7 11. f4 fxe4 12. dxe4 Be6 13. b3 Qd7 14. Kh2 Rad8 15. Be3
b6 16. Qe1 Qe8 17. f5 Bg8 18. g4 d5 19. exd5 cxd5 20. cxd5 Nfxd5 21. Bd2 Bc5 22.
Ng3 Bd4 23. Nce4 Qb5 24. Rc1 Qd7 25. Bg5 Nf6 26. Nh5 Nce8 27. Qh4 Qf7 28. Rc6
Bc5 29. Nexf6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "4"]
[White "Unruh, Harrison"]
[Black "Jiang, Austin"]
[Result "0-1"]
[ECO "D30"]
[Opening "Queen's gambit declined"]
[BlackFideId "2047659"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. g3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. dxc5 Bxc5 7. Bg2 Nf6 8.
O-O O-O 9. e3 Be6 10. a3 a5 11. Nc3 Qe7 12. Nd4 Rad8 13. Ncb5 Ne4 14. b3 Nd6 15.
Nxd6 Qxd6 16. Bb2 Ne5 17. Qd2 Bg4 18. Rfc1 f6 19. f4 Nc6 20. h3 Bxd4 21. Bxd4
Nxd4 22. Qxd4 Be6 23. Rc5 Qd7 24. Rxa5 b6 25. Qxb6 Rb8 26. Qd4 Rxb3 27. Bxd5
Bxd5 28. Rxd5 Qxh3 29. Rc5 Qxg3+ 30. Kh1 Rxe3 31. Qd5+ Kh8 32. Qg2 Qh4+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "4"]
[White "Moon, Ryan Joseph"]
[Black "Bowersock, Michael"]
[Result "1-0"]
[WhiteElo "2185"]
[BlackElo "2064"]
[ECO "E06"]
[Opening "Catalan"]
[Variation "closed, 5.Nf3"]
[WhiteFideId "2036274"]
[BlackFideId "2045320"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Ne5 Nc6 8. Bxc6
bxc6 9. Nxc6 Qe8 10. Nxe7+ Qxe7 11. Qa4 e5 12. dxe5 Qxe5 13. Qxc4 Bh3 14. Re1
Rfe8 15. Nc3 Qh5 16. f3 Rad8 17. Bf4 Nd5 18. Nxd5 Qxd5 19. Qxd5 Rxd5 20. Rac1 c5
21. Kf2 Be6 22. e4 Rd7 23. Rxc5 Bxa2 24. Ra1 Be6 25. Rc7 Rxc7 26. Bxc7 Ra8 27.
b4 Bc4 28. Ke3 a6 29. Rc1 Be6 30. Kd4 Kf8 31. Kc5 Ke7 32. Kb6 f5 33. Kb7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "4"]
[White "Serna, Jeffrey M"]
[Black "Finney, Stuart"]
[Result "0-1"]
[BlackElo "2162"]
[ECO "B52"]
[Opening "Sicilian"]
[Variation "Canal-Sokolsky attack, Sokolsky variation"]
[WhiteFideId "2068591"]
[BlackFideId "2029286"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 g6 7. O-O Bg7 8.
d4 cxd4 9. Nxd4 O-O 10. Qc2 Rc8 11. b3 Nc6 12. Nxc6 Qxc6 13. Rb1 b5 14. Qe2 bxc4
15. Bg5 e6 16. Rfc1 h6 17. Bxf6 Bxf6 18. Qf3 Kg7 19. Ne2 Rab8 20. g3 Qa6 21.
bxc4 Rxb1 22. Rxb1 Qxa2 23. Rb7 Rxc4 24. Nf4 Rc1+ 25. Kg2 Qc4 26. h4 Rc3 27. Qe2
Qxe2 28. Nxe2 Ra3 29. Nf4 Kf8 30. Rb8+ Ke7 31. Rb7+ Ke8 32. Rb8+ Bd8 33. Rb7 a5
34. Ra7 Bb6 35. Rb7 Bc5 36. f3 a4 37. g4 Rb3 38. Rc7 a3 39. Rc8+ Ke7 40. g5 hxg5
41. hxg5 a2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "4"]
[White "Riegelhaupt, Cory"]
[Black "Offertaler, Bendeguz"]
[Result "1-0"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[EventDate "2011.07.30"]

1. e4 c5 2. c3 d6 3. d4 Nc6 4. Be3 Nf6 5. f3 e6 6. Qd2 Be7 7. Qf2 b6 8. a3 Bd7
9. Bd3 O-O 10. Ne2 Qc7 11. Nd2 Ne8 12. b4 g6 13. Bh6 Ng7 14. Qg3 e5 15. d5 Nd8
16. h4 f5 17. f4 fxe4 18. Bxe4 Bf5 19. h5 Bxe4 20. Nxe4 Nf5 21. Qh3 Bh4+ 22. g3
Nxh6 23. Qxh4 Nf5 24. Qg5 Nf7 25. Qg4 Ne3 26. Qe6 Rae8 27. Nf6+ Kh8 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "5"]
[White "Thompson, Nick"]
[Black "Shvartsman, Andrew Nathaniel"]
[Result "1/2-1/2"]
[BlackTitle "CM"]
[WhiteElo "2012"]
[BlackElo "2209"]
[ECO "B33"]
[Opening "Sicilian"]
[Variation "Sveshnikov variation"]
[WhiteFideId "2060310"]
[BlackFideId "2006111"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3
b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bd3 Be6 12. O-O Bxd5 13. exd5 Ne7 14. c3 Bg7 15.
Qh5 e4 16. Bc2 O-O 17. Rae1 Qc8 18. Bb1 Qc5 19. Kh1 Rae8 20. f3 Qxd5 21. fxe4
fxe4 22. Qxd5 Nxd5 23. Bxe4 Re5 24. Nc2 Nb6 25. Bb7 a5 26. Rxe5 Bxe5 27. Bc6 Nc4
28. Bxb5 Nxb2 29. Nd4 Rc8 30. Nc6 Kg7 31. Nxa5 Rxc3 32. Nb3 d5 33. Rc1 d4 34.
Rxc3 dxc3 35. Na1 Nd1 36. Nc2 Bf4 37. g3 Ne3 38. Bd3 Nxc2 39. Bxc2 Bc7 40. Kg2
h5 41. Kf3 Kf6 42. Ke4 h4 43. gxh4 Bxh2 44. a4 Bg1 45. Kd3 Kg7 46. Kxc3 Bf2 47.
h5 Kh6 48. Bd1 f5 49. Kc4 f4 50. Kd5 f3 51. Bxf3 Kg7 52. Ke5 Kh8 53. a5 Kg7 54.
a6 Kh8 55. Kf6 Bd4+ 56. Kg6 Ba7 57. Be4 Bb6 58. Kf7 Ba7 59. h6 Bc5 60. Ke6 Ba7
61. Kd5 Bb6 62. Kc6 Be3 63. Kb7 Bd4 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "5"]
[White "Kelley, Dereque D"]
[Black "Sundararajan, Kidambi"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2203"]
[BlackElo "2491"]
[ECO "D45"]
[Opening "QGD semi-Slav"]
[Variation "Stoltz variation"]
[WhiteFideId "2038439"]
[BlackFideId "5005370"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Bd3 O-O 8. O-O
dxc4 9. Bxc4 b5 10. Be2 Bb7 11. Rd1 Qc7 12. e4 e5 13. Bg5 b4 14. dxe5 Nxe5 15.
Bxf6 gxf6 16. Na4 Nxf3+ 17. Bxf3 Bxh2+ 18. Kh1 Qf4 19. Qc5 Qh4 20. Qh5 Qxh5 21.
Bxh5 Be5 22. Nc5 Bc8 23. Rd2 Rb8 24. Be2 f5 25. Bd3 Rd8 26. Rad1 Bf4 27. Re2 Rb5
28. Rc2 fxe4 29. Nxe4 Re5 30. Rc4 Kg7 31. Nc5 Rh5+ 32. Kg1 Bh2+ 33. Kf1 Bd6 34.
Ne4 Rh1+ 35. Ke2 Rxd1 36. Kxd1 Be7 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "5"]
[White "Dean, Jim H."]
[Black "Concini, Daniel D"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2272"]
[ECO "E61"]
[Opening "King's Indian"]
[Variation "Smyslov system"]
[WhiteFideId "2012340"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5 Nbd7 6. e3 O-O 7. Be2 c5 8. d5
Qa5 9. Nd2 a6 10. a4 Kh8 11. O-O e5 12. f4 Ng8 13. f5 f6 14. Bh4 g5 15. Be1 Rd8
16. Nde4 Qc7 17. Bd3 Nf8 18. h4 Qe7 19. Qh5 g4 20. Nf2 Bd7 21. Qxg4 Nh6 22. Qf3
Be8 23. g4 Nf7 24. Nce4 Nd7 25. Nh3 b6 26. g5 Rdb8 27. b4 cxb4 28. Bxb4 Nc5 29.
Bc2 Nd8 30. a5 Nxe4 31. Bxe4 bxa5 32. Bxa5 Nb7 33. Bb6 a5 34. c5 Bb5 35. Rfb1
Bc4 36. c6 Nc5 37. Bxc5 dxc5 38. Rxb8+ Rxb8 39. Rxa5 Rc8 40. Qd1 Rb8 41. d6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "5"]
[White "Berrios Echevarria, Gabriel"]
[Black "Blair, David A"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2229"]
[ECO "A30"]
[Opening "English"]
[Variation "symmetrical variation"]
[WhiteFideId "3100928"]
[BlackFideId "2043190"]
[EventDate "2011.07.30"]

1. c4 c5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Nc6 5. O-O Be7 6. d4 cxd4 7. Nxd4 O-O 8. Nc3
a6 9. b3 Qa5 10. Bb2 Nxd4 11. Qxd4 Bc5 12. Qd3 Rd8 13. Na4 d5 14. Nxc5 Qxc5 15.
Bxf6 gxf6 16. cxd5 Rd6 17. Rac1 Qb6 18. e4 exd5 19. exd5 Be6 20. Rc4 Rad8 21.
Rh4 Bxd5 22. Qxh7+ Kf8 23. Bxd5 Rxd5 24. Re4 Re5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "5"]
[White "Dejmek, Mark W"]
[Black "Rich, Tony D"]
[Result "1-0"]
[WhiteElo "2076"]
[ECO "B07"]
[Opening "Pirc defence"]
[WhiteFideId "2017628"]
[BlackFideId "2050315"]
[EventDate "2011.07.30"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nge2 Nbd7 5. f3 Be7 6. Be3 c6 7. Qd2 O-O 8. g4
exd4 9. Nxd4 Ne5 10. Be2 c5 11. Nf5 Bxf5 12. gxf5 d5 13. Nxd5 Nxd5 14. Qxd5 Bh4+
15. Kf1 Qxd5 16. exd5 Rfe8 17. Bf4 Rad8 18. Rd1 a6 19. a4 Rd6 20. Bg3 Bd8 21.
Bf2 Nd7 22. Rg1 Bf6 23. b3 Rc8 24. Rg4 Nb6 25. a5 Nd7 26. Re4 Be5 27. Bg3 Bxg3
28. hxg3 Kf8 29. Bc4 Rd8 30. g4 Nf6 31. Re5 Re8 32. Rxe8+ Nxe8 33. Kg2 h6 34.
Kg3 Rd8 35. Kf4 Nd6 36. Bd3 Ke7 37. Re1+ Kf6 38. Be4 Re8 39. Rg1 Rh8 40. Rb1 Rd8
41. c4 Rc8 42. Bd3 Rc7 43. b4 cxb4 44. Rxb4 Rc5 45. Ra4 Ke7 46. Ke5 Nc8 47. Kd4
Kd6 48. Rb4 Rc7 49. Rb2 f6 50. Rb1 Rf7 51. c5+ Kc7 52. d6+ Kb8 53. Bc4 Rd7 54.
Be6 Rd8 55. Bd5 Rd7 56. Bc6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "5"]
[White "Koretsky, Peter"]
[Black "Finegold, Spencer"]
[Result "0-1"]
[BlackElo "2037"]
[ECO "A15"]
[Opening "English, 1...Nf6 (Anglo-Indian defense)"]
[BlackFideId "2047527"]
[EventDate "2011.07.30"]

1. c4 Nf6 2. g3 g6 3. Bg2 d5 4. cxd5 Nxd5 5. Qb3 Nb6 6. Qc3 Rg8 7. d3 Bg7 8. Qc2
Na6 9. Bd2 c6 10. a3 Qd6 11. Bc3 e5 12. Nd2 Nd5 13. Nc4 Qe7 14. Bd2 Bg4 15. Ne3
Be6 16. Rc1 O-O-O 17. b4 Kb8 18. Nc4 Nac7 19. Nf3 Bc8 20. O-O h6 21. Rb1 Nb5 22.
a4 Nd4 23. Nxd4 exd4 24. Na5 Qc7 25. Rfc1 Nc3 26. Bf4 Be5 27. b5 Bxf4 28. bxc6
Qxa5 29. Qb3 Nxe2+ 30. Kh1 Nxc1 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "5"]
[White "Naroditsky, Daniel"]
[Black "Casden, Alan"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2451"]
[BlackElo "2153"]
[ECO "B06"]
[Opening "Robatsch (modern) defence"]
[WhiteFideId "2026961"]
[BlackFideId "2035367"]
[EventDate "2011.07.30"]

1. e4 g6 2. d4 Bg7 3. Nf3 c5 4. c4 d6 5. d5 Bg4 6. Be2 a6 7. Nc3 Bxc3+ 8. bxc3
e5 9. dxe6 fxe6 10. Ng5 Bxe2 11. Qxe2 e5 12. f4 Nc6 13. O-O Qd7 14. fxe5 Nxe5
15. Bf4 Nh6 16. Bxe5 dxe5 17. Qf2 Rd8 18. Qh4 Qg4 19. Qxg4 Nxg4 20. Nf7 Ke7 21.
Nxh8 Rxh8 22. Rab1 Rb8 23. Rb6 Ne3 24. Rfb1 Nxc4 25. Rxb7+ Rxb7 26. Rxb7+ Ke6
27. Rxh7 Nd6 28. Rh4 Kf6 29. Rg4 Nb5 30. Rg3 Nd6 31. Re3 Kg5 32. Kf2 Kf4 33. g3+
Kg4 34. Kg2 Nc4 35. Rd3 a5 36. h3+ Kg5 37. Rd5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "5"]
[White "Kaufman, Larry C"]
[Black "Strenzwilk, Denis"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2406"]
[BlackElo "2026"]
[ECO "D31"]
[Opening "QGD"]
[Variation "Charousek (Petrosian) variation"]
[WhiteFideId "2000555"]
[BlackFideId "2006677"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 Nf6 6. e3 O-O 7. Bd3 c6 8. Qc2
Nbd7 9. Nf3 Re8 10. O-O Nf8 11. h3 Ng6 12. Bh2 Be6 13. Rfc1 Rc8 14. Rab1 c5 15.
dxc5 Bxc5 16. Qd1 a6 17. a3 Bd6 18. Bxd6 Qxd6 19. Ne2 Ne5 20. Nxe5 Qxe5 21. Nd4
Ne4 22. f4 Qf6 23. Bxe4 dxe4 24. Rxc8 Rxc8 25. Rc1 Rxc1 26. Qxc1 h5 27. Qc5 g6
28. Qb6 Qe7 29. Nxe6 Qxe6 30. Qxb7 Qc4 31. Qb6 Qe2 32. Kh2 h4 33. Qd8+ Kg7 34.
Qd4+ Kg8 35. Qxe4 Qxb2 36. Qe8+ Kg7 37. Qe5+ Qxe5 38. fxe5 g5 39. Kg1 Kg6 40. e4
f5 41. exf6 Kxf6 42. Kf2 a5 43. a4 Ke6 44. Kf3 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "5"]
[White "Tari, Aryan"]
[Black "Ewing, Gabriel R"]
[Result "1-0"]
[WhiteElo "2179"]
[ECO "C11"]
[Opening "French"]
[Variation "Steinitz, Boleslavsky variation"]
[WhiteFideId "1510045"]
[BlackFideId "2061880"]
[EventDate "2011.07.30"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4
Bc5 9. Qd2 O-O 10. O-O-O a6 11. Be2 Nxd4 12. Bxd4 b5 13. Bf3 Bb7 14. Ne2 Rc8 15.
f5 exf5 16. Rhe1 Nb6 17. Bxc5 Rxc5 18. Nd4 Bc8 19. Qf4 Qc7 20. Re2 g6 21. h4 Re8
22. h5 Nd7 23. hxg6 Nxe5 24. gxf7+ Kxf7 25. Bh5+ Ng6 26. Qh6 Rxe2 27. Nxe2 Rxc2+
28. Kb1 Kf6 29. Bxg6 hxg6 30. Qf8+ Kg5 31. Nd4 Rxg2 32. Rh1 Kf4 33. Qh6+ Ke4 34.
Re1+ Kxd4 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "5"]
[White "Mu, Joshua"]
[Black "Harmon, Luke"]
[Result "1/2-1/2"]
[WhiteElo "2145"]
[BlackElo "2184"]
[ECO "C02"]
[Opening "French"]
[Variation "advance, Milner-Barry gambit"]
[WhiteFideId "2024420"]
[BlackFideId "2030012"]
[EventDate "2011.07.30"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. O-O Rc8 8. dxc5
Qxc5 9. Nbd2 Nge7 10. Re1 Qb6 11. Nb3 Na5 12. Be3 Qc7 13. Nxa5 Qxa5 14. Ng5 Ng6
15. Qh5 Nxe5 16. Bb6 Qxb6 17. Rxe5 g6 18. Qf3 f5 19. Rae1 Bd6 20. Rxe6+ Bxe6 21.
Rxe6+ Kd7 22. Qxd5 Kc7 23. Nf7 Rhd8 24. Nxd8 Rxd8 25. Qc4+ Kb8 26. b4 Rc8 27.
Qb3 Qc7 28. g3 f4 29. Qd5 Rd8 30. Be4 fxg3 31. hxg3 Bxg3 32. Qxb7+ Qxb7 33. Bxb7
Bxf2+ 34. Kxf2 Kxb7 35. Re7+ Kb6 36. Rxh7 Rd2+ 37. Ke3 Rxa2 38. Rg7 Rg2 39. c4
Rg4 40. Kd3 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "5"]
[White "Smith, Michael"]
[Black "Adams, Nick A."]
[Result "0-1"]
[BlackElo "2240"]
[ECO "B13"]
[Opening "Caro-Kann"]
[Variation "exchange variation"]
[WhiteFideId "2061856"]
[BlackFideId "2009358"]
[EventDate "2011.07.30"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 g6 6. Nf3 Bg7 7. O-O Nh6 8. Bf4
O-O 9. Nbd2 Kh8 10. Re1 f6 11. h3 Nf7 12. Bg3 e5 13. dxe5 fxe5 14. Bb5 e4 15.
Nh2 a6 16. Ba4 Nh6 17. Nhf1 Nf5 18. Bh2 Ne5 19. Ne3 Nd3 20. Rb1 Nxf2 21. Qe2 Nd3
22. Rf1 Qb6 23. Rxf5 gxf5 24. Kh1 Be6 25. Bb3 f4 26. Nxd5 Bxd5 27. Bxd5 Nf2+ 28.
Kg1 Nxh3+ 29. Kh1 Nf2+ 30. Kg1 Ng4+ 31. Kh1 Nxh2 32. Kxh2 f3 33. gxf3 Qh6+ 34.
Kg2 Qg5+ 35. Kf1 Qxd5 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "5"]
[White "Xanthos, Constantin"]
[Black "Zapata, Alonso"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2131"]
[BlackElo "2472"]
[ECO "A53"]
[Opening "Old Indian defence"]
[WhiteFideId "2012740"]
[BlackFideId "4400011"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. d5 a5 6. f3 Be7 7. Bd3 Nc5 8. Bc2 O-O
9. Be3 Nh5 10. Nge2 Bg5 11. Qd2 h6 12. O-O-O Bxe3 13. Qxe3 Qg5 14. Qxg5 hxg5 15.
g4 Nf4 16. h4 f6 17. Rh2 Bd7 18. Nxf4 gxf4 19. b3 Kf7 20. Kb2 Rfb8 21. a4 Rh8
22. Bd3 Ke7 23. Bc2 Rh6 24. Bb1 Rah8 25. Rdh1 g6 26. Bc2 c6 27. Bb1 Kf7 28. Bc2
R6h7 29. Bb1 cxd5 30. Nxd5 Ne6 31. Rh3 Bc6 32. Nc3 Ng5 33. R3h2 Nxf3 34. Rf2
Rxh4 35. Rxh4 Nxh4 36. Rd2 Ke7 37. Rh2 Bd7 38. Nd5+ Kf7 39. Rd2 Nf3 40. Rd1 Bxg4
41. Bd3 Rh2+ 42. Kc3 g5 43. b4 Nd4 44. Rb1 Ra2 45. bxa5 Ra3+ 46. Kd2 Rb3 47. Rh1
Kg7 48. Ra1 Bd7 49. Ra2 g4 50. Nc3 g3 51. Ne2 Nxe2 52. Bxe2 g2 53. Ra1 f3 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "5"]
[White "Rymuza, Jeffrey"]
[Black "Helfst, Matt D"]
[Result "1/2-1/2"]
[BlackElo "1971"]
[ECO "B01"]
[Opening "Scandinavian (centre counter) defence"]
[BlackFideId "2044102"]
[EventDate "2011.07.30"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bd2 c6 6. Nf3 Bg4 7. Bc4 e6 8. O-O
Qc7 9. h3 Bh5 10. Re1 Bd6 11. Qe2 O-O 12. Qe3 Nbd7 13. Nh4 a6 14. Bd3 c5 15. Ne4
Nxe4 16. Qxe4 Nf6 17. Qe3 cxd4 18. Qxd4 Rac8 19. g4 Bg6 20. Nxg6 hxg6 21. c4 Bc5
22. Qf4 Rfd8 23. Qxc7 Rxc7 24. Bf4 Rcd7 25. Bc2 Bd4 26. Rab1 Bb6 27. b4 Bd4 28.
Ba4 Bc3 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "5"]
[White "Vazquez Maccarini, Danitza"]
[Black "Regam, Jessica"]
[Result "0-1"]
[WhiteTitle "WFM"]
[WhiteElo "1785"]
[BlackElo "1819"]
[ECO "C01"]
[Opening "French"]
[Variation "exchange variation"]
[WhiteFideId "3101193"]
[BlackFideId "2033496"]
[EventDate "2011.07.30"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 h6 6. Nf3 Be7 7. h3 c6 8. Bd3
Be6 9. cxd5 Nxd5 10. O-O O-O 11. Bc2 Nd7 12. Nxd5 Bxd5 13. Qd3 Nf6 14. Re1 Re8
15. Bd2 Bxf3 16. Qxf3 Qxd4 17. Bc3 Qd5 18. Qf5 Qxf5 19. Bxf5 Rad8 20. Rad1 Nd5
21. Bg4 Kf8 22. Bf3 Nxc3 23. bxc3 Rxd1 24. Rxd1 Rd8 25. Kf1 Rxd1+ 26. Bxd1 Bf6
27. c4 Ke7 28. Ke2 Kd6 29. Bb3 Kc5 30. Kd3 Kb4 31. Kc2 a5 32. a4 Bd4 33. f3 f6
34. g3 g6 35. g4 Be5 36. h4 c5 37. h5 gxh5 38. gxh5 Ka3 39. f4 Bxf4 40. Kc3 Be5+
41. Kc2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.01"]
[Round "5"]
[White "Moon, Benjamin"]
[Black "Vibbert, Sean"]
[Result "0-1"]
[BlackElo "2159"]
[ECO "D30"]
[Opening "Queen's gambit declined"]
[WhiteFideId "2064847"]
[BlackFideId "2030292"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Qc2 Nbd7 5. g3 dxc4 6. Qxc4 c5 7. Bg2 a6 8. a4
b5 9. Qc2 Bb7 10. O-O Rc8 11. axb5 axb5 12. Rd1 c4 13. Nc3 b4 14. Nb1 Be4 15.
Qd2 c3 16. bxc3 Bxb1 17. Rxb1 Ne4 18. Qf4 Nxc3 19. Re1 Nxb1 20. d5 Qf6 21. dxe6
fxe6 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "6"]
[White "Warren, Hannah"]
[Black "Serna, Jeffrey M"]
[Result "0-1"]
[ECO "C45"]
[Opening "Scotch"]
[Variation "Schmidt variation"]
[WhiteFideId "2061465"]
[BlackFideId "2068591"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Bg5 Be7 6. Nc3 d6 7. Nf3 O-O 8.
Bd3 Bg4 9. Be2 Re8 10. O-O Qd7 11. Nh4 Bxe2 12. Qxe2 Nd4 13. Qd3 c5 14. Nf3
Nxf3+ 15. Qxf3 d5 16. exd5 Nxd5 17. Bxe7 Nxe7 18. Rad1 Qc6 19. Qxc6 Nxc6 20. Rd7
Rab8 21. Na4 Re2 22. c3 c4 23. Rb1 h6 24. Nc5 b6 25. Na6 Rbe8 26. Kf1 Rc2 27.
Re1 Rxe1+ 28. Kxe1 Rxb2 29. Rc7 Ne5 30. Nb4 a5 31. Nd5 Nd3+ 32. Kd1 Nxf2+ 33.
Kc1 Nd3+ 34. Kd1 Rxg2 35. Nxb6 Rxh2 36. Nxc4 Rxa2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "6"]
[White "Shvartsman, Andrew Nathaniel"]
[Black "Xin, Samuel L"]
[Result "1-0"]
[WhiteTitle "CM"]
[WhiteElo "2209"]
[BlackElo "2022"]
[ECO "C63"]
[Opening "Ruy Lopez"]
[Variation "Schliemann defence, Berger variation"]
[WhiteFideId "2006111"]
[BlackFideId "2020882"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qg5 8.
Qe2 Nf6 9. f4 Qxf4 10. d4 Qh4+ 11. g3 Qh3 12. Ne5+ c6 13. Bc4 Be6 14. Bf4 Bb4+
15. c3 Be7 16. O-O-O O-O 17. g4 Bxc4 18. Qxc4+ Nd5 19. Bg3 Rac8 20. Kb1 Qh6 21.
Qe2 e3 22. c4 Nb6 23. Rhe1 Bd6 24. b3 Bxe5 25. dxe5 Qg6+ 26. Kb2 Rcd8 27. Qxe3
Rxd1 28. Rxd1 Qxg4 29. Rd4 Qe6 30. Rd6 Qxc4 31. e6 Qb4 32. Rd4 Na4+ 33. Kc2 Qc5+
34. Kd2 Nb6 35. e7 Qa5+ 36. Kc1 Qc5+ 37. Kb2 Re8 38. Qe6+ Kh8 39. Rd8 Qh5 40.
Bd6 Nd5 41. Qf5 Qe2+ 42. Ka3 Qa6+ 43. Kb2 Qe2+ 44. Qc2 Qxc2+ 45. Kxc2 Nf6 46.
Be5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "6"]
[White "Xu, Grant Y"]
[Black "Brown, Michael William"]
[Result "0-1"]
[WhiteElo "2123"]
[BlackElo "2121"]
[ECO "C53"]
[Opening "Giuoco Piano"]
[WhiteFideId "2052318"]
[BlackFideId "2037602"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. Qe2 d6 6. d3 a6 7. Bb3 Ba7 8. Nbd2
O-O 9. O-O h6 10. h3 Re8 11. Rd1 Be6 12. Bc2 Qe7 13. Nf1 d5 14. Ng3 Rad8 15. Be3
dxe4 16. dxe4 Bxe3 17. Qxe3 Rxd1+ 18. Bxd1 Rd8 19. Bc2 Nd7 20. Ne2 Qc5 21. Qxc5
Nxc5 22. Kf1 a5 23. b3 b5 24. Ke1 b4 25. Rd1 Rb8 26. c4 f6 27. Nc1 a4 28. Nd3
Nxd3+ 29. Rxd3 axb3 30. Bxb3 Kf7 31. Ke2 Ke7 32. Ke3 Ra8 33. Rd1 Ra5 34. Rd2 Ra3
35. Rd3 Na5 36. Nd2 Nb7 37. Nb1 Ra5 38. Rd1 Nc5 39. Nd2 Ra6 40. f3 Rd6 41. h4
Rd3+ 42. Ke2 Rd4 43. Ke3 h5 44. g3 Nb7 45. Rc1 c5 46. Rc2 Nd6 47. Rc1 g6 48. Ke2
f5 49. Ke3 f4+ 50. gxf4 exf4+ 51. Ke2 Nf7 52. Rc2 Ne5 53. Rc1 Kf6 54. Rc2 g5 55.
hxg5+ Kxg5 56. Rc1 h4 57. Rg1+ Kh6 58. Ba4 Rxd2+ 59. Kf1 Bxc4+ 60. Ke1 Nxf3# 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "6"]
[White "Zhao, Audrey Jin Nin"]
[Black "Tsai, Amy"]
[Result "0-1"]
[ECO "E43"]
[Opening "Nimzo-Indian"]
[Variation "Fischer variation"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd3 Ne4 7. Qc2 f5 8. a3
Bxc3+ 9. bxc3 O-O 10. Be2 c5 11. O-O Nc6 12. d5 exd5 13. cxd5 Ne7 14. c4 b5 15.
Rd1 bxc4 16. Bxc4 d6 17. Bb2 Nf6 18. Qc3 Qe8 19. Ng5 Qg6 20. Qb3 Rab8 21. Ne6
Rfc8 22. Nf4 Qf7 23. Qc3 Rc7 24. Ne6 Rd7 25. Nxg7 Kxg7 26. g4 Qg6 27. f3 fxg4
28. Kf2 Rf8 29. fxg4 Kg8 30. Ke2 Qxg4+ 31. Kd3 Qf5+ 32. Ke2 Ng6 33. Rg1 Ng4 34.
Raf1 Qh5 35. Rxf8+ Kxf8 36. Rf1+ Kg8 37. Bb5 N4e5+ 38. Ke1 Re7 39. Qa5 Nf3+ 40.
Ke2 Nd4+ 41. Ke1 Rxe3+ 42. Kf2 Qf3+ 43. Kg1 Qg4+ 44. Kf2 Qf4+ 45. Kg1 Rg3+ 46.
hxg3 Qxg3+ 47. Kh1 Bxd5+ 48. Rf3 Bxf3# 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Sundararajan, Kidambi"]
[Black "Dean, Jim H."]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2491"]
[BlackElo "2272"]
[ECO "A13"]
[Opening "English"]
[Variation "Neo-Catalan"]
[WhiteFideId "5005370"]
[BlackFideId "2012340"]
[EventDate "2011.07.30"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 c5 5. cxd5 exd5 6. d4 Nc6 7. O-O cxd4 8.
Nxd4 Be7 9. Nc3 O-O 10. Bg5 h6 11. Be3 Re8 12. Rc1 Bg4 13. h3 Be6 14. Kh2 Qd7
15. Qa4 a6 16. Nxc6 bxc6 17. Rfd1 Reb8 18. Bd4 Rb4 19. Qc2 Qb7 20. b3 Rc8 21. e4
dxe4 22. Bxf6 gxf6 23. Nxe4 Qb5 24. Nd6 Bxd6 25. Rxd6 Qe5 26. Qd2 c5 27. Rxa6
Kg7 28. Re1 Qd4 29. Qe2 c4 30. Rxe6 fxe6 31. Qxe6 Rc7 32. Re4 Qd8 33. Rg4+ Kh8
34. Bd5 Rb8 35. Bxc4 Qf8 36. Rg6 Re7 37. Qf5 Re5 38. Qf4 Rg5 39. Rxf6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Ritter, Mark"]
[Black "Naroditsky, Daniel"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2408"]
[BlackElo "2451"]
[ECO "A48"]
[Opening "King's Indian"]
[Variation "East Indian defence"]
[WhiteFideId "2002965"]
[BlackFideId "2026961"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. e3 Bg7 5. Bd3 O-O 6. O-O Nc6 7. c4 Nb4 8. Bb1
dxc4 9. Nxc4 c5 10. Bd2 Nc6 11. dxc5 Qd5 12. Qe2 Qxc5 13. Rc1 Qh5 14. Bc3 Rd8
15. Bc2 Be6 16. h3 Rac8 17. Ncd2 a6 18. Bb3 Bxb3 19. Nxb3 Ne4 20. Bxg7 Kxg7 21.
Rc2 Ne5 22. Nxe5 Qxe5 23. Rac1 Rxc2 24. Qxc2 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Adams, Nick A."]
[Black "Kaufman, Larry C"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2240"]
[BlackElo "2406"]
[ECO "A10"]
[Opening "English opening"]
[WhiteFideId "2009358"]
[BlackFideId "2000555"]
[EventDate "2011.07.30"]

1. c4 g6 2. Nc3 c5 3. Nf3 Bg7 4. e3 Nf6 5. d4 O-O 6. Be2 d5 7. O-O cxd4 8. exd4
Nc6 9. cxd5 Nxd5 10. h3 Be6 11. Re1 Rc8 12. Bg5 h6 13. Be3 Qa5 14. Qd2 Kh7 15.
a3 Nxc3 16. bxc3 Rfd8 17. Rab1 Rd7 18. Qb2 Nd8 19. Bd2 Bc4 20. Bd1 Nc6 21. Bf4
e6 22. h4 Ne7 23. h5 Bd3 24. Rc1 Nd5 25. hxg6+ Bxg6 26. Bd2 Qb6 27. Qa1 Rdc7 28.
Be2 Qd6 29. c4 Nf4 30. c5 Nxe2+ 31. Rxe2 Qa6 32. Rce1 Rxc5 33. Ne5 Bxe5 34. Rxe5
Rxe5 35. Rxe5 Qd3 36. Be3 Rc3 37. a4 Rb3 38. Kh2 Rb1 39. Qa2 Be4 40. Qd2 Rh1+
41. Kg3 Qxd2 42. Bxd2 Bc6 43. a5 Rg1 44. f3 Rd1 45. Be3 Ra1 46. Rh5 Bd5 47. Bd2
Ra2 48. Be1 Kg6 49. Rh1 Ra1 50. Kf2 h5 51. Rg1 Ra2+ 52. Ke3 Ra3+ 53. Kf2 Rd3 54.
Bb4 Rxd4 55. Rb1 Rc4 56. Rb2 h4 57. Bd2 Ra4 58. Bb4 Ra1 59. Bc3 Rd1 60. Ke2 Rh1
61. Ke3 h3 62. gxh3 Rxh3 63. Rf2 b6 64. axb6 axb6 65. Kf4 f6 66. Kg4 Rh1 67. Kf4
b5 68. Ke3 Kf5 69. f4 Rh3+ 70. Kd2 Be4 71. Ba5 Ra3 72. Bc7 b4 73. Kd1 Ra1+ 74.
Kd2 Ra2+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Finegold, Spencer"]
[Black "Dejmek, Mark W"]
[Result "1/2-1/2"]
[WhiteElo "2037"]
[BlackElo "2076"]
[ECO "B78"]
[Opening "Sicilian"]
[Variation "dragon, Yugoslav attack, 10.O-O-O"]
[WhiteFideId "2047527"]
[BlackFideId "2017628"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2
Nc6 9. Bc4 Bd7 10. O-O-O Ne5 11. Bb3 Rc8 12. Kb1 Re8 13. g4 b5 14. g5 Nh5 15. f4
Nc4 16. Bxc4 Rxc4 17. b3 Rc8 18. f5 gxf5 19. exf5 Rxc3 20. Qxc3 Bxf5 21. Qc6 Bg6
22. Nxb5 Qb8 23. Rc1 Rc8 24. Qa6 Qa8 25. Rhf1 Rb8 26. Qxa7 Be5 27. Qxa8 Rxa8 28.
Rf2 Rc8 29. a4 d5 30. Ka2 f6 31. gxf6 Nxf6 32. Bd4 Ne4 33. Rg2 Bf4 34. Rd1 e5
35. Bb2 d4 36. Re1 Nd2 37. Rxe5 Bxe5 38. Rxd2 Rxc2 39. Rxc2 Bxc2 40. Nxd4 Be4
41. h3 Bxd4 42. Bxd4 Kf7 43. Ka3 Ke6 44. Kb4 Kd5 45. Bf2 Bc2 46. h4 Kc6 47. Kc4
Bd1 48. Kc3 Kb7 49. Kb4 Kc6 50. Ka3 Kd5 51. b4 Kc4 52. Bc5 Bc2 53. Bf8 Bd1 54.
b5 Bc2 55. b6 Be4 56. Kb2 Bb7 57. Kc2 Ba6 58. Kd2 Kb3 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Blair, David A"]
[Black "Luchan, Jason"]
[Result "1-0"]
[BlackElo "2101"]
[ECO "A46"]
[Opening "Queen's pawn game"]
[WhiteFideId "2043190"]
[BlackFideId "2008637"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 d6 3. Bf4 g6 4. Nbd2 Bg7 5. e4 O-O 6. Bd3 c5 7. c3 b6 8. Qe2
Bb7 9. g4 cxd4 10. cxd4 Nbd7 11. h4 Nxg4 12. h5 e5 13. Bg5 Bf6 14. Bxf6 Qxf6 15.
hxg6 fxg6 16. O-O-O exd4 17. Rh4 Nde5 18. Nxe5 Nxe5 19. Rdh1 Nxd3+ 20. Qxd3
Rac8+ 21. Kb1 Rf7 22. Qb3 d5 23. f4 Rfc7 24. Nf3 d3 25. exd5 Kh8 26. Ng5 h5 27.
d6 Bxh1 28. dxc7 Qc6 29. Qxd3 Qxc7 30. Rxh1 Qc6 31. Rxh5+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Ewing, Gabriel R"]
[Black "Xanthos, Constantin"]
[Result "1-0"]
[BlackElo "2131"]
[ECO "A98"]
[Opening "Dutch"]
[Variation "Ilyin-Genevsky variation with Qc2"]
[WhiteFideId "2061880"]
[BlackFideId "2012740"]
[EventDate "2011.07.30"]

1. c4 f5 2. Nf3 Nf6 3. g3 d6 4. d4 e6 5. Bg2 Be7 6. O-O O-O 7. Nc3 Qe8 8. Qc2 c6
9. e4 Qh5 10. exf5 exf5 11. Re1 Bd8 12. Bf4 Ne8 13. h4 h6 14. Qd2 Nd7 15. d5 c5
16. Nb5 Nb6 17. Nxd6 Nxd6 18. Bxd6 Nxc4 19. Qf4 Nxd6 20. Qxd6 Bf6 21. Ne5 b6 22.
Qc6 Rb8 23. Bf3 Qe8 24. Qxe8 Rxe8 25. Nc6 Rxe1+ 26. Rxe1 Ra8 27. d6 Kf8 28. Ne5
Bxe5 29. Rxe5 Rb8 30. Bc6 Bb7 31. Rxf5+ Kg8 32. Bb5 Rd8 33. d7 a6 34. Re5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Rich, Tony D"]
[Black "Redden, Antonio J"]
[Result "1-0"]
[ECO "C42"]
[Opening "Petrov"]
[Variation "Italian variation"]
[WhiteFideId "2050315"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Bc5 4. d4 Bxd4 5. Nxd4 exd4 6. e5 Qe7 7. O-O Ne4 8.
Qxd4 Ng5 9. f4 Nc6 10. Qd3 Ne6 11. Be3 O-O 12. Nc3 Nb4 13. Qe2 d5 14. Nxd5 Nxd5
15. Bxd5 Nd8 16. Rad1 a5 17. Qf2 Bg4 18. Bc5 Qe8 19. Bf3 Bxf3 20. Qxf3 Nc6 21.
Bxf8 Kxf8 22. c3 Ra6 23. Qd5 Rb6 24. Rd2 Qe6 25. Qxe6 fxe6 26. b3 Ne7 27. Rd8+
Kf7 28. Rd7 Ke8 29. Rxc7 a4 30. b4 Kd8 31. Rc5 Nd5 32. Rd1 Ke7 33. g3 Ne3 34.
Rc7+ Ke8 35. Rdd7 Nd5 36. Rxb7 Rc6 37. Rxg7 Kf8 38. Rxh7 Kg8 39. Rhd7 Rc8 40. c4
Ne3 41. c5 Nf5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Zapata, Alonso"]
[Black "Tari, Aryan"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[WhiteElo "2472"]
[BlackElo "2179"]
[ECO "B34"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, modern variation"]
[WhiteFideId "4400011"]
[BlackFideId "1510045"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Nb3 Nf6 7. Be2 O-O 8.
O-O a5 9. a4 Nb4 10. Be3 d5 11. e5 Ne4 12. f4 Nxc3 13. bxc3 Nc6 14. Bf3 Bf5 15.
Nc5 b6 16. Bxd5 bxc5 17. Bxc6 Rc8 18. Bd5 Qd7 19. Rf2 Rfd8 20. Rd2 Qc7 21. Rb1
Rb8 22. Rxb8 Rxb8 23. Bc4 Bf8 24. Qf3 Bd7 25. e6 Bxe6 26. Bxe6 fxe6 27. Qe4 Rb6
28. Qc4 Rd6 29. Rxd6 Qxd6 30. h3 Kf7 31. Qxc5 Qd1+ 32. Kh2 Qxc2 33. Qxa5 Bg7 34.
Bd4 Qe4 35. Qc7 Bxd4 36. cxd4 Qxd4 37. a5 Qa4 38. Qe5 Qc4 39. h4 h5 40. Qe3 Qa4
41. Qd2 Qc4 42. g3 Qa4 43. Qc3 Qd1 44. Kg2 Qe2+ 45. Kg1 Qd1+ 46. Kf2 Qa4 47. Ke3
Qb5 48. Kd2 Qd5+ 49. Kc2 Qa2+ 50. Kc1 Qf2 51. Kd1 Qa2 52. Ke1 Qg2 53. Qd3 Qg1+
54. Ke2 Qg2+ 55. Kd1 Qg1+ 56. Kc2 Qc5+ 57. Qc3 Qb5 58. Qe1 Qb7 59. Kc3 Qc6+ 60.
Kb4 Qd6+ 61. Kb3 Qd5+ 62. Kb2 Qb5+ 63. Kc2 Qf5+ 64. Kc1 Qd3 65. Kb2 Qb5+ 66. Ka3
Qd3+ 67. Kb2 Qb5+ 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Lundstrom, Brad"]
[Black "Kelley, Dereque D"]
[Result "1/2-1/2"]
[BlackElo "2203"]
[ECO "C77"]
[Opening "Ruy Lopez"]
[Variation "Wormald (Alapin) attack"]
[WhiteFideId "2032163"]
[BlackFideId "2038439"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Bc5 7. c3 O-O 8. O-O
d5 9. exd5 Nxd5 10. Nxe5 Nf4 11. Qe4 Nxe5 12. Qxf4 Nd3 13. Qf3 Be6 14. Bc2 Nxc1
15. Rxc1 Bd5 16. Qh3 g6 17. d4 Qg5 18. Rd1 Bd6 19. Nd2 Rae8 20. Nf3 Qf4 21. Bd3
Re7 22. Qh4 Bxf3 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Thompson, Buddy"]
[Black "Barnett, Alexander"]
[Result "0-1"]
[WhiteElo "1877"]
[BlackElo "2254"]
[ECO "A46"]
[Opening "Queen's pawn"]
[Variation "Torre attack"]
[WhiteFideId "2047772"]
[BlackFideId "2019906"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. c3 Be7 5. Nbd2 d5 6. e3 Nc6 7. Bd3 O-O 8. O-O
h6 9. Bxf6 Bxf6 10. dxc5 Qe7 11. Nb3 a5 12. a4 Rd8 13. Nfd4 e5 14. Nb5 e4 15.
Be2 Be5 16. Nd6 Bxd6 17. cxd6 Rxd6 18. Nd4 Ne5 19. Nb5 Rg6 20. f4 exf3 21. Bxf3
Bg4 22. Kh1 Bxf3 23. gxf3 Nc4 24. Qd4 Nxe3 25. Rae1 Re6 26. Rg1 Nf5 27. Qf2 Re8
28. Rxe6 Qxe6 29. Nd4 Qf6 30. Nxf5 Qxf5 31. Qg3 g6 32. Rf1 Kg7 33. Qg4 Qxg4 34.
fxg4 Re4 35. h3 Rxa4 36. Rd1 d4 37. cxd4 Kf6 38. Kg2 Ke6 39. Kf3 Kd5 40. Kf4
Rxd4+ 41. Rxd4+ Kxd4 42. h4 a4 43. h5 b5 44. g5 hxg5+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Strenzwilk, Denis"]
[Black "Aird, Ian"]
[Result "1/2-1/2"]
[WhiteElo "2026"]
[BlackElo "2020"]
[ECO "B01"]
[Opening "Scandinavian (centre counter) defence"]
[WhiteFideId "2006677"]
[BlackFideId "2401347"]
[EventDate "2011.07.30"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 c6 6. Be2 g6 7. O-O Bg7 8. Ne5
Be6 9. Bd2 Qb6 10. Be3 Qa5 11. Qd2 Nbd7 12. f4 O-O 13. Qe1 Rfd8 14. a3 Nxe5 15.
fxe5 Ng4 16. Bxg4 Bxg4 17. Qh4 Be6 18. Qxe7 Rd7 19. Qh4 Bf5 20. Rf2 Qd8 21.
Qxd8+ Raxd8 22. b4 Rxd4 23. Bxd4 Rxd4 24. Re2 Rc4 25. Nd1 Bg4 26. Re1 Bh6 27.
Ne3 Bxe3+ 28. Rxe3 Rxc2 29. Rae1 Be6 30. R1e2 Rc1+ 31. Kf2 Bd5 32. Rd2 Kf8 33.
b5 Ke7 34. bxc6 Bxc6 35. h3 h5 36. Kg3 Rc4 37. Kf2 Rc1 38. Kg3 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Casden, Alan"]
[Black "Mu, Joshua"]
[Result "1-0"]
[WhiteElo "2153"]
[BlackElo "2145"]
[ECO "D77"]
[Opening "Neo-Gruenfeld, 6.O-O"]
[WhiteFideId "2035367"]
[BlackFideId "2024420"]
[EventDate "2011.07.30"]

1. g3 Nf6 2. Bg2 d5 3. c4 g6 4. Nf3 Bg7 5. O-O O-O 6. d4 dxc4 7. Na3 Nc6 8. Nxc4
Be6 9. b3 Bd5 10. Bb2 Nd7 11. Rc1 Nb6 12. e3 Re8 13. Re1 f5 14. a4 Be4 15. Qd2
Qd5 16. Qe2 Rac8 17. Ncd2 e5 18. dxe5 Nxe5 19. Nxe4 fxe4 20. Nxe5 Bxe5 21. Bxe5
Qxe5 22. Red1 a5 23. Rd4 c6 24. Rcd1 Nd5 25. Bxe4 Nc3 26. Qc4+ Kh8 27. Qxc3 c5
28. Rc4 Qxc3 29. Rxc3 Rxe4 30. Rd7 Rb4 31. Rcd3 h5 32. Re7 Kg8 33. h4 Kf8 34.
Rh7 Kg8 35. Rdd7 Rxb3 36. Rdg7+ Kf8 37. Rxg6 Rd8 38. Rxh5 Kf7 39. Rg4 Rc8 40.
Rc4 b6 41. Rf5+ Ke6 42. g4 Rb4 43. Rff4 Kd5 44. Rc3 c4 45. Rd4+ Ke5 46. f4+ Ke6
47. f5+ Ke5 48. Rf4 Rd8 49. Rfxc4 Rd1+ 50. Kg2 Rd2+ 51. Kf3 Rbb2 52. Re4+ Kf6
53. Re6+ Kf7 54. Rc7+ Kf8 55. Kf4 Rb4+ 56. Kg5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Helfst, Matt D"]
[Black "Ross, David L"]
[Result "0-1"]
[WhiteElo "1971"]
[ECO "A30"]
[Opening "English"]
[Variation "symmetrical variation"]
[WhiteFideId "2044102"]
[EventDate "2011.07.30"]

1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. e4 e5 7. Nc2 Nb4 8. Ne3
Bc5 9. Be2 O-O 10. O-O d6 11. a3 Nc6 12. Ned5 Nxd5 13. Nxd5 f5 14. Bh6 Rf7 15.
exf5 Bxf5 16. Qd2 Qh4 17. b4 Bd4 18. Bg5 Qe4 19. Rac1 Raf8 20. b5 Bh3 21. Bf3
Rxf3 22. gxh3 Rxf2 23. Rxf2 Rxf2 24. Qxf2 Bxf2+ 25. Kf1 Qh1+ 26. Kxf2 Qxh2+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Young, Steven D"]
[Black "Van Wely, Loek"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "1907"]
[BlackElo "2683"]
[ECO "E53"]
[Opening "Nimzo-Indian"]
[Variation "4.e3, main line with ...c5"]
[WhiteFideId "2025965"]
[BlackFideId "1000268"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O cxd4 8. exd4
dxc4 9. Bxc4 b6 10. Bf4 Bb7 11. a3 Bxc3 12. bxc3 Nc6 13. Bd3 Ne7 14. Qe2 Ng6 15.
Bg5 Rc8 16. Rfc1 Qd6 17. Ba6 Bxa6 18. Qxa6 Ne4 19. Bd2 Qc6 20. Qe2 Nd6 21. g3
Nc4 22. Be1 Rfd8 23. Nd2 Na5 24. Rab1 Ne7 25. Nf3 Qc4 26. Kf1 Nd5 27. Qxc4 Nxc4
28. Ne5 Nxe5 29. dxe5 Rc4 30. Ke2 g5 31. f4 gxf4 32. gxf4 Nxf4+ 33. Kf3 Rd3+ 34.
Kf2 Rh3 35. Kg1 Re3 36. Bf2 Rxe5 37. Bd4 Ne2+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Ramirez, Alejandro"]
[Black "Harmon, Carl Honor"]
[Result "0-1"]
[WhiteTitle "GM"]
[WhiteElo "2592"]
[BlackElo "1831"]
[ECO "B12"]
[Opening "Caro-Kann"]
[Variation "advance variation"]
[WhiteFideId "6500617"]
[BlackFideId "2030772"]
[EventDate "2011.07.30"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. Nf3 Bg4 6. c3 e6 7. b4 Qc7 8. Bb5 Bxf3
9. Qxf3 Qxe5+ 10. Be3 Nf6 11. O-O Be7 12. Qe2 O-O 13. f4 Qh5 14. Qxh5 Nxh5 15.
Nd2 Nf6 16. Rfe1 Rfd8 17. Bf2 a6 18. Bxc6 bxc6 19. f5 Ng4 20. fxe6 f5 21. Nf3
Nxf2 22. Kxf2 Bf6 23. Nd4 Bxd4+ 24. cxd4 Re8 25. Kf3 Re7 26. Kf4 g6 27. Ke5 Rd8
28. a4 Rb7 29. b5 axb5 30. axb5 Rxb5 31. Ra6 Rc8 32. Kd6 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Dougherty, Colin T"]
[Black "Sadorra, Julio Catalino"]
[Result "0-1"]
[BlackTitle "GM"]
[BlackElo "2495"]
[ECO "E70"]
[Opening "King's Indian"]
[Variation "4.e4"]
[BlackFideId "5201268"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f3 Nc6 6. Be3 e5 7. d5 Nd4 8. Nge2 c5
9. dxc6 dxc6 10. Nxd4 exd4 11. Bxd4 Nxe4 12. Nxe4 Bxd4 13. Qc2 f5 14. Nc3 Re8+
15. Be2 Qg5 16. g3 Qe3 17. Rf1 Be6 18. Nd1 Qxe2+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Mulyar, Michael A."]
[Black "Villone, Sean M"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2410"]
[ECO "A20"]
[Opening "English opening"]
[WhiteFideId "2008742"]
[EventDate "2011.07.30"]

1. c4 e5 2. g3 Nc6 3. Bg2 Nf6 4. Nc3 Bb4 5. Nd5 Bc5 6. e3 d6 7. Ne2 a6 8. O-O
Nxd5 9. cxd5 Ne7 10. d4 exd4 11. Nxd4 O-O 12. b3 Nf5 13. Nxf5 Bxf5 14. Bb2 Qg5
15. Bd4 Bxd4 16. Qxd4 Rfe8 17. Rac1 Re7 18. e4 Bc8 19. f4 Qh6 20. f5 b6 21. Rc3
a5 22. Rfc1 Ra7 23. Qxb6 Rb7 24. Qd4 Rb4 25. Rxc7 Rxc7 26. Rxc7 Ba6 27. Qa7 g5
28. Qxa6 Qf6 29. Qf1 Qd4+ 30. Kh1 a4 31. Rc8+ Kg7 32. f6+ Qxf6 33. Rg8+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Shvartsman, Andrew Nathaniel"]
[Black "Hernandez, Andres"]
[Result "1-0"]
[WhiteTitle "CM"]
[WhiteElo "2209"]
[ECO "B36"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, Gurgenidze variation"]
[WhiteFideId "2006111"]
[BlackFideId "2050080"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8.
Be3 Bg7 9. f3 O-O 10. Qd2 Be6 11. Rc1 Qa5 12. Be2 Rfc8 13. b3 a6 14. Na4 Qxd2+
15. Kxd2 Nd7 16. Rhd1 Kf8 17. g4 Rab8 18. Nc3 Nc5 19. b4 Bxc3+ 20. Rxc3 Na4 21.
Rc2 b5 22. Rdc1 bxc4 23. Bxc4 Rxb4 24. Bxa6 Ra8 25. Bc8 Nb2 26. Bxe6 fxe6 27.
Rc8+ Rxc8 28. Rxc8+ Kg7 29. Rc7 Kf7 30. Bg5 Ra4 31. Rxe7+ Kg8 32. Rxe6 Rxa2 33.
Re8+ Kf7 34. Re7+ Kg8 35. Kc2 Nd1+ 36. Kxd1 Rxh2 37. Rd7 Rf2 38. f4 Rg2 39. Rxd6
Rxg4 40. e5 Rg3 41. Ke2 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "High, David L"]
[Black "Shabalov, Alexander"]
[Result "1/2-1/2"]
[BlackTitle "GM"]
[WhiteElo "1879"]
[BlackElo "2577"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Byrne (English) attack"]
[WhiteFideId "2050650"]
[BlackFideId "2008572"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3
h5 9. Qd2 Nbd7 10. O-O-O Be7 11. Rg1 Rc8 12. Kb1 b5 13. h3 h4 14. Ne2 d5 15.
exd5 Nxd5 16. g4 Qc7 17. c3 a5 18. f4 Nxe3 19. Qxe3 a4 20. Nbd4 exd4 21. Nxd4
Nc5 22. Bxb5+ Kf8 23. f5 Bd5 24. Rge1 Rh6 25. g5 Rb6 26. f6 gxf6 27. g6 Be4+ 28.
Ka1 Kg7 29. gxf7 Rxb5 30. Nxb5 Qb6 31. Nd4 Kxf7 32. Qh6 Rb8 33. Rd2 Rg8 34. Qh5+
Kf8 35. Qh6+ Kf7 36. Qh5+ Kf8 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Chancy, John C"]
[Black "Sarkar, Justin"]
[Result "0-1"]
[BlackTitle "IM"]
[BlackElo "2376"]
[ECO "A11"]
[Opening "English"]
[Variation "Caro-Kann defensive system"]
[BlackFideId "2010011"]
[EventDate "2011.07.30"]

1. c4 c6 2. g3 d5 3. Nf3 Bg4 4. Bg2 e6 5. cxd5 Bxf3 6. Bxf3 cxd5 7. O-O Nc6 8.
b3 Be7 9. Bb2 Bf6 10. d4 Nge7 11. e3 O-O 12. Qd2 Nf5 13. Nc3 Be7 14. Rfc1 Qa5
15. Be2 Bg5 16. f4 Be7 17. Bd3 g6 18. Kg2 Rfc8 19. Qe2 Qd8 20. Na4 Nb4 21. a3
Nxd3 22. Qxd3 Nd6 23. Rxc8 Rxc8 24. Rc1 Rxc1 25. Bxc1 Ne4 26. Qc2 a5 27. Bd2
Bxa3 28. Be1 b5 29. Nc5 Qc7 30. Qa2 Bxc5 31. dxc5 b4 32. Bxb4 axb4 33. Qa8+ Kg7
34. c6 Qb6 35. Qb7 Qxe3 36. c7 Qe2+ 37. Kh3 Nf2+ 38. Kg2 Ng4+ 39. Kh3 Qxh2+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Melekhina, Alisa"]
[Black "Berry, Frank K"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2263"]
[BlackElo "1900"]
[ECO "C25"]
[Opening "Vienna game"]
[WhiteFideId "2022613"]
[BlackFideId "2021633"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nc3 d6 3. g3 Nf6 4. Bg2 Be7 5. Nge2 Be6 6. d4 exd4 7. Nxd4 c6 8.
Nxe6 fxe6 9. Bh3 e5 10. Be6 Nbd7 11. Be3 Qc7 12. O-O O-O-O 13. b4 Kb8 14. Rb1
Nb6 15. b5 d5 16. Bxb6 axb6 17. Qe2 d4 18. Na4 c5 19. Nb2 Qd6 20. Bf5 g6 21. Nc4
Qc7 22. Be6 Bd6 23. a4 Rhe8 24. Bh3 Bf8 25. Qe1 d3 26. cxd3 Rxd3 27. a5 bxa5 28.
b6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Lenderman, Aleksandr"]
[Black "Cline Jr, Hugh E"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2525"]
[ECO "A41"]
[Opening "Queen's Pawn"]
[WhiteFideId "2021285"]
[BlackFideId "2061473"]
[EventDate "2011.07.30"]

1. d4 d6 2. e4 g6 3. Nc3 c6 4. Be3 b5 5. d5 b4 6. Qd4 Nf6 7. Qxb4 c5 8. Qa4+ Bd7
9. Qb3 Qc8 10. f3 Bg7 11. e5 dxe5 12. Qc4 O-O 13. O-O-O Ne8 14. Bxc5 Nd6 15.
Bxd6 exd6 16. Qxc8 Rxc8 17. Ne4 Bf5 18. g3 a5 19. Bh3 Ra6 20. Rd3 Nd7 21. Rc3
Rxc3 22. Nxc3 Nc5 23. Bxf5 gxf5 24. Nge2 Rb6 25. Nd1 a4 26. a3 Na6 27. Ne3 Bh6
28. f4 exf4 29. Nxf5 Bg5 30. Nxf4 Nc7 31. Ne3 Rb5 32. Rd1 Rc5 33. Rd4 Kf8 34. h4
Bh6 35. Rxa4 Bxf4 36. gxf4 Nxd5 37. Ra8+ Ke7 38. b4 Nc7 39. Ra7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Hoang, Truman"]
[Black "Serna, Jeffrey M"]
[Result "0-1"]
[ECO "C63"]
[Opening "Ruy Lopez"]
[Variation "Schliemann defence, Berger variation"]
[BlackFideId "2068591"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 Nf6 5. d3 Bb4 6. Bg5 O-O 7. O-O Bxc3 8.
bxc3 h6 9. Bxf6 Qxf6 10. Qe2 d6 11. Rab1 Ne7 12. Rfd1 Ng6 13. d4 Kh8 14. dxe5
dxe5 15. Bd7 Nf4 16. Qe3 b6 17. exf5 Bxd7 18. Rxd7 Qxf5 19. Rxc7 e4 20. Nd4 Qe5
21. Rd7 Rad8 22. Rxa7 Nd5 23. Qe2 Nxc3 24. Qg4 Nxb1 25. Ne6 Qa1 26. h3 Nd2+ 27.
Kh2 Nf1+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Jackson, Brad"]
[Black "Berry, Jim"]
[Result "0-1"]
[BlackTitle "NCM"]
[ECO "C45"]
[Opening "Scotch"]
[Variation "Steinitz variation"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nc3 Bb4 6. Nxc6 Qxe4+ 7. Be3 Bxc3+
8. bxc3 dxc6 9. Qe2 Nf6 10. f3 Qe7 11. O-O-O Be6 12. Qf2 Qa3+ 13. Kd2 O-O-O+ 14.
Bd3 Nd5 15. Bd4 Nf4 16. Qg3 Nxd3 17. cxd3 Bf5 18. Rhe1 Rxd4 19. Re4 Bxe4 20.
cxd4 Qxd3+ 21. Ke1 Qe3+ 22. Kf1 Bd3+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Vazquez Maccarini, Danitza"]
[Black "Zepeda, Lorena"]
[Result "0-1"]
[WhiteTitle "WFM"]
[BlackTitle "WIM"]
[WhiteElo "1785"]
[BlackElo "2187"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Byrne (English) attack"]
[WhiteFideId "3101193"]
[BlackFideId "6700233"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3
Be7 9. Qd2 O-O 10. O-O-O Nbd7 11. g4 b5 12. g5 b4 13. Ne2 Ne8 14. f4 a5 15. f5
a4 16. fxe6 axb3 17. cxb3 fxe6 18. Kb1 Rxa2 19. Kxa2 Qa8+ 20. Kb1 Qxe4+ 21. Qd3
Qxh1 22. Bh3 Qb7 23. Bxe6+ Kh8 24. Bd5 Qb8 25. Rg1 Nc5 26. Bxc5 dxc5 27. Rg3 Qd6
28. Rh3 h6 29. gxh6 g5 30. Rf3 Rxf3 31. Qxf3 Qxh6 32. Ka2 Nf6 33. Ng3 Qxh2 34.
Bc4 e4 35. Nxe4 Qe5 36. Nxf6 Bxf6 37. Qa8+ Kg7 38. Qg2 Qd4 39. Qb7+ Kh6 40. Qg2
g4 41. Be6 Kg5 42. Bc8 Be5 43. Kb1 g3 44. Bb7 Qf2 45. Qxf2 gxf2 46. Bg2 Kf4 47.
Kc2 Kg3 48. Bf1 Kh2 49. Kd2 Kg1 50. Ke2 Bxb2 51. Bh3 Bd4 52. Bf1 Bc3 53. Bh3 Be1
54. Bf1 c4 55. bxc4 b3 56. Bh3 b2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Battaglini, Gabriel"]
[Black "Tomaino, Paul B"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2407"]
[ECO "A52"]
[Opening "Budapest defence"]
[WhiteFideId "621650"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e3 Nxe5 5. f4 Nec6 6. Nf3 Bb4+ 7. Kf2 Be7 8.
Nc3 d6 9. Bd3 Nd7 10. a3 a5 11. Rb1 Nf6 12. Re1 O-O 13. Nd5 Re8 14. Qc2 h6 15.
Bd2 Bg4 16. h3 Bxf3 17. Kxf3 Nd7 18. Bc3 Bf8 19. Bf5 Ne7 20. Bxd7 Qxd7 21. e4
Nxd5 22. cxd5 Be7 23. Rbc1 Bh4 24. Re2 c5 25. dxc6 bxc6 26. Rd1 d5 27. exd5 cxd5
28. Qd3 Rxe2 29. Kxe2 Re8+ 30. Kf1 Qd6 31. Be5 Qb6 32. Bd4 Qd6 33. Be5 Qb6 34.
Rd2 Rc8 35. Bc3 Re8 36. Re2 Re4 37. Qf3 Qb5 38. Qg4 g5 39. Qc8+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Vilenchuk, Michael"]
[Black "Mo, Jack"]
[Result "1/2-1/2"]
[WhiteElo "2183"]
[ECO "B80"]
[Opening "Sicilian"]
[Variation "Scheveningen, fianchetto variation"]
[WhiteFideId "2036959"]
[BlackFideId "2060485"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 Be7 7. Bg2 O-O 8. O-O
Nc6 9. h3 a6 10. Kh2 Bd7 11. f4 Nxd4 12. Qxd4 Bc6 13. Be3 Rc8 14. f5 b5 15. a3
Qc7 16. Rf2 Qb7 17. g4 exf5 18. Rxf5 Nd7 19. Raf1 Ne5 20. g5 Bd7 21. Nd5 Bxf5
22. exf5 Rxc2 23. Qe4 Rxg2+ 24. Qxg2 Qd7 25. f6 Bd8 26. fxg7 Re8 27. Bd4 Re6 28.
Nf4 Re8 29. Nh5 d5 30. Kh1 Nc4 31. Qg3 Nd2 32. Rd1 Ne4 33. Qd3 Nxg5 34. Rg1 Qd6
35. Qg3 Qxg3 36. Rxg3 Ne4 37. Rg4 f5 38. Rf4 Nd6 39. Bc5 Ne4 40. Rxf5 Nxc5 41.
Rxd5 Ne4 42. Kg2 Bf6 43. b3 Bb2 44. a4 Nf6 45. Nxf6+ Bxf6 46. Rd6 Bxg7 47. Rxa6
b4 48. Rb6 Bc3 49. a5 Re2+ 50. Kf3 Ra2 51. a6 Kg7 52. Ke4 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Bowersock, Michael"]
[Black "Presicci, Manny"]
[Result "1-0"]
[WhiteElo "2064"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "4.e3"]
[WhiteFideId "2045320"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Nbd7 6. Bd3 Bd6 7. Bb2 Qe7 8. Ne5
Bb4+ 9. Bc3 Bxc3+ 10. Nxc3 dxc4 11. bxc4 Nxe5 12. dxe5 Nd7 13. f4 Nc5 14. O-O
Bd7 15. Ne4 Nxe4 16. Bxe4 Rd8 17. Qg4 f5 18. exf6 Qxf6 19. Qh5+ g6 20. Qc5 a6
21. g4 Qe7 22. Qe5 Rf8 23. Rad1 Bc8 24. c5 Rxd1 25. Rxd1 Kf7 26. g5 Kg8 27. Rd4
Rd8 28. h4 Rxd4 29. exd4 Qg7 30. Qxg7+ Kxg7 31. Kf2 h6 32. Ke3 h5 33. Kd3 Bd7
34. Kc3 Be8 35. Kb4 Kf8 36. Ka5 Ke7 37. Kb6 Kd8 38. Kxb7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Tyagi, Kushan"]
[Black "Hao, Evan"]
[Result "1-0"]
[WhiteElo "2113"]
[ECO "D30"]
[Opening "Queen's gambit declined"]
[WhiteFideId "2040069"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 b6 5. Bg2 Bb7 6. cxd5 exd5 7. O-O Be7 8. Nc3
Nbd7 9. Bf4 O-O 10. Rc1 c5 11. b3 Rc8 12. Ne5 cxd4 13. Nxd7 Qxd7 14. Qxd4 Bc5
15. Qd3 Bc6 16. h3 Rfe8 17. Rfd1 Rcd8 18. Bg5 Qd6 19. e3 d4 20. Nb5 Qd7 21. Bxc6
Qxc6 22. Nxd4 Qd7 23. Qf5 Bxd4 24. Qxd7 Rxd7 25. Bxf6 gxf6 26. exd4 Re2 27. d5
Rxa2 28. d6 Rb2 29. Rc7 Rxc7 30. dxc7 Rc2 31. Rd8+ Kg7 32. c8=Q Rxc8 33. Rxc8
Kg6 34. b4 a6 35. Ra8 a5 36. bxa5 bxa5 37. Rxa5 f5 38. f4 h5 39. h4 f6 40. Kf2
Kh6 41. Ke3 Kg6 42. Kd4 Kh6 43. Kd5 Kg6 44. Ke6 Kh6 45. Kxf6 Kh7 46. Ra8 Kh6 47.
Rh8# 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Davila Blanco, Juan Jose"]
[Black "Offertaler, Laszlo"]
[Result "0-1"]
[ECO "B35"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, modern variation with Bc4"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. h4
Nxe4 9. Nxe4 d5 10. c3 dxc4 11. h5 Bf5 12. f3 Qa5 13. Nxf5 Qxf5 14. g4 Qa5 15.
f4 Rad8 16. Qe2 Bd4 17. Bxd4 Nxd4 18. Qg2 Ne6 19. Qh2 g5 20. f5 Nf4 21. Nxg5
Nd3+ 22. Kf1 Qb6 23. Rb1 Qe3 24. Nh3 Qf3+ 25. Nf2 Nxf2 26. Qxf2 Qxh1+ 27. Qg1
Qf3+ 28. Qf2 Qd3+ 29. Kg2 Qxb1 30. h6 Qd1 31. Kg3 Rd3+ 32. Kf4 Qc1+ 33. Ke4 Qh1+
34. Kf4 Qxh6+ 35. g5 e5+ 36. Ke4 Qc6+ 37. Kxe5 Re8+ 38. Kf4 Qe4# 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Esserman, Marc"]
[Black "Webb, Mike K"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2453"]
[BlackElo "1966"]
[ECO "E60"]
[Opening "King's Indian, 3.Nf3"]
[WhiteFideId "2018616"]
[BlackFideId "2069725"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. g3 d6 6. Bg2 Na6 7. O-O c5 8. d5 Nc7
9. e4 Bg4 10. h3 Bxf3 11. Bxf3 Nd7 12. Be2 Ne8 13. Bg5 h6 14. Be3 Kh7 15. Qd2 a6
16. Kg2 Rb8 17. a4 Rg8 18. Qc2 Qa5 19. Bd2 Qd8 20. f4 Bd4 21. Bd3 Qb6 22. Ne2
Bh8 23. Bc3 Bxc3 24. Nxc3 Qd8 25. Rae1 f6 26. h4 Kg7 27. h5 g5 28. e5 dxe5 29.
Bh7 Nf8 30. Bxg8 Kxg8 31. fxe5 Ng7 32. exf6 exf6 33. Ne4 f5 34. Nxc5 Qd6 35. Nd3
Nxh5 36. Ne5 f4 37. gxf4 Qf6 38. Ng4 Nxf4+ 39. Kh1 Qd6 40. Qf5 Nh5 41. Qf7+ Kh8
42. Qxh5 b5 43. Rf6 Qxf6 44. Nxf6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Dixon, Blake W"]
[Black "Kleiman, Jake"]
[Result "0-1"]
[BlackTitle "IM"]
[BlackElo "2375"]
[ECO "A46"]
[Opening "Queen's pawn game"]
[WhiteFideId "2051214"]
[BlackFideId "2020041"]
[EventDate "2011.07.30"]

1. Nf3 Nf6 2. d4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. c4 c6 7. Nc3 b6 8. Ne5 Bb7
9. Bf4 Nbd7 10. e4 dxc4 11. Nxc4 Ba6 12. Qa4 Qc8 13. Nd6 Bxd6 14. Bxd6 Bxf1 15.
Bxf1 b5 16. Qa5 Re8 17. e5 Nd5 18. Nxd5 exd5 19. Bh3 Qb7 20. f4 Nf8 21. f5 Rad8
22. Rf1 Nd7 23. Be7 Ra8 24. f6 Rxe7 25. fxe7 Nb6 26. e6 f6 27. Qb4 Re8 28. Rc1
Nc8 29. a4 a6 30. axb5 axb5 31. Qc5 Nxe7 32. Ra1 Nc8 33. e7 Kf7 34. Bxc8 Qxc8
35. Ra7 Qe6 36. b4 Rxe7 37. Rxe7+ Qxe7 38. Qxc6 Qe3+ 39. Kg2 Qe4+ 40. Kh3 Qe6+
41. Qxe6+ Kxe6 42. Kg4 g6 43. Kf4 h6 44. h3 h5 45. h4 Kf7 46. Kf3 g5 47. Ke3 Kg6
48. Kf2 f5 49. Kg2 f4 50. Kf3 fxg3 51. Kxg3 Kf5 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Xu, Grant Y"]
[Black "Muradian, Sevan A"]
[Result "0-1"]
[WhiteElo "2123"]
[BlackElo "1891"]
[ECO "B18"]
[Opening "Caro-Kann"]
[Variation "classical, 6.h4"]
[WhiteFideId "2052318"]
[BlackFideId "2039010"]
[EventDate "2011.07.30"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Nf3
Nd7 9. Bd3 Bxd3 10. Qxd3 Qc7 11. Bd2 Ngf6 12. O-O-O e6 13. Kb1 Bd6 14. Ne4 Bf4
15. Bxf4 Qxf4 16. Rh4 Qc7 17. Qa3 Nxe4 18. Rxe4 Nf6 19. Rh4 Qe7 20. Qxe7+ Kxe7
21. Ne5 Rad8 22. c3 Rd5 23. Re1 Rhd8 24. g4 c5 25. dxc5 Rxc5 26. Kc2 Rcd5 27.
Re2 Rd1 28. f4 Rf1 29. g5 Nd5 30. Nd3 Rf3 31. Rf2 Nb4+ 32. Kb3 Rfxd3 33. Kxb4
R3d5 34. Rg4 Rf5 35. c4 Rd3 36. Rh2 Rf3 37. Rhh4 Rf2 38. Kc3 a5 39. a3 Kd6 40.
gxh6 gxh6 41. Rg8 Rf3+ 42. Kd2 R3xf4 43. Rxf4 Rxf4 44. Rh8 Rxc4 45. Rxh6 Rc8 46.
Rf6 Ke7 47. Rf4 Rh8 48. Rh4 f5 49. Ra4 b6 50. b4 Ra8 51. bxa5 Rxa5 52. Rb4 b5
53. Rb3 Kf6 54. Rh3 Ra7 55. Rb3 Kg5 56. h6 Rd7+ 57. Ke2 Kxh6 58. Rxb5 Kg5 59. a4
Rd6 60. a5 Ra6 61. Rb6 Rxa5 62. Rxe6 Kf4 63. Rh6 Ra2+ 64. Ke1 Kf3 65. Rh3+ Kg4
66. Rh8 Kg3 67. Rh7 f4 68. Rh8 Ra1+ 69. Ke2 f3+ 70. Ke3 Re1+ 71. Kd2 Re4 72. Rh7
Rg4 73. Ke3 Rg6 74. Rf7 Re6+ 75. Kd2 Kf2 76. Kd3 Kg2 77. Rg7+ Kf1 78. Rf7 f2 79.
Ra7 Rg6 80. Rf7 Kg1 81. Ke2 Re6+ 82. Kd2 f1=Q 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Vibbert, Sean"]
[Black "Liu, Austin Boyang"]
[Result "1-0"]
[WhiteElo "2159"]
[ECO "C14"]
[Opening "French"]
[Variation "classical, Steinitz variation"]
[WhiteFideId "2030292"]
[EventDate "2011.07.30"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 c5 8. Nb5
Na6 9. Nd6+ Kf8 10. Bxa6 bxa6 11. Nf3 Nb6 12. dxc5 Na4 13. Qd4 Bd7 14. b3 Qd8
15. bxa4 Qa5+ 16. Kf2 Bxa4 17. c3 Rb8 18. Rhb1 Ke7 19. Nb7 Qc7 20. Qxa4 Rxb7 21.
Nd4 Rhb8 22. Nc6+ Kf8 23. Nxb8 Qxb8 24. Rxb7 Qxb7 25. Qb4 Qb5 26. c6+ Qxb4 27.
cxb4 Ke7 28. a4 Kd8 29. b5 Kc7 30. Ke3 f6 31. Kd4 Kb6 32. a5+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Hough, Randall D."]
[Black "Ludwig, John Gabriel"]
[Result "0-1"]
[WhiteElo "1994"]
[ECO "E00"]
[Opening "Catalan opening"]
[WhiteFideId "2010160"]
[EventDate "2011.07.30"]

1. c4 Nf6 2. d4 e6 3. g3 Be7 4. Bg2 O-O 5. Nf3 d5 6. O-O dxc4 7. Ne5 Nc6 8. Bxc6
bxc6 9. Nxc6 Qd6 10. Qa4 Nd5 11. Nxe7+ Nxe7 12. Qxc4 Ba6 13. Qc2 Qxd4 14. Nc3
Nf5 15. Rd1 Qc5 16. Bf4 Rad8 17. Rxd8 Rxd8 18. Rd1 Nd4 19. Qa4 Bxe2 20. Rc1 Qh5
21. h4 Qg4 22. Be3 Qh3 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Banerjee, Abhimanyu"]
[Black "Iyer, Venkat"]
[Result "0-1"]
[BlackElo "1947"]
[ECO "B18"]
[Opening "Caro-Kann"]
[Variation "classical, 6.h4"]
[BlackFideId "2050838"]
[EventDate "2011.07.30"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Nf3
e6 9. Bd3 Bxd3 10. Qxd3 Nf6 11. Be3 Bd6 12. O-O-O Nbd7 13. Kb1 Qc7 14. Ne2 Ng4
15. Rh4 Nxe3 16. fxe3 O-O-O 17. e4 e5 18. d5 Nc5 19. Qe3 Be7 20. Rhh1 cxd5 21.
exd5 e4 22. Nh4 Bg5 23. Qh3+ Kb8 24. Qg3 Qxg3 25. Nxg3 e3 26. Nf3 Bf4 27. Ne2
Bd6 28. Rh3 Rhe8 29. Nh4 Ne4 30. Rxe3 Nd2+ 31. Rxd2 Rxe3 32. Nf5 Re5 33. Nxd6
Rxd6 34. c4 b6 35. Ng3 f5 36. Rf2 Rf6 37. Rf4 Kc7 38. Kc2 Re3 39. Rf3 f4 40. Nf1
Re2+ 41. Nd2 Rxg2 42. b3 Rg3 43. Rf2 f3 44. Rf1 Rg2 45. Kd1 f2 46. Ke2 Rf5 47.
Ne4 Rxh5 48. Rxf2 Rxf2+ 49. Nxf2 Re5+ 50. Kd2 h5 51. Nh3 g5 52. Ng1 g4 53. Ne2
h4 54. Ke1 g3 55. Kf1 g2+ 56. Kxg2 Rxe2+ 57. Kh3 Rxa2 58. Kxh4 Rb2 59. Kg3 Rxb3+
60. Kf4 Rb4 61. Ke3 Rxc4 62. Kd3 Rc5 63. Kd4 Kd6 64. Kd3 Kxd5 65. Ke3 Rc4 66.
Kd2 Kd4 67. Ke2 Rc3 68. Kf2 Re3 69. Kg2 Ke4 70. Kf2 Kf4 71. Kg2 Rf3 72. Kh2 Rg3
73. Kh1 Kf3 74. Kh2 Kf2 75. Kh1 Rh3# 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.02"]
[Round "4"]
[White "Pahl, Sandra R"]
[Black "Antler, Arthur S"]
[Result "0-1"]
[BlackElo "1968"]
[ECO "E90"]
[Opening "King's Indian"]
[Variation "Zinnowitz variation"]
[WhiteFideId "2033372"]
[BlackFideId "2025540"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bg5 O-O 6. Nf3 c6 7. Rc1 Qa5 8. Bd2
Qd8 9. Be2 Nbd7 10. O-O e5 11. d5 Nc5 12. Qc2 a5 13. Be3 Nfd7 14. dxc6 bxc6 15.
Rcd1 Qc7 16. Ne1 Ne6 17. Nd3 Nd4 18. Qd2 f5 19. Bh6 Bxh6 20. Qxh6 fxe4 21. Nc1
Nf6 22. Qd2 Bd7 23. Nb3 c5 24. Nxd4 exd4 25. Nb5 Bxb5 26. cxb5 d3 27. Bxd3 exd3
28. Qxd3 d5 29. a4 Rad8 30. Rc1 Qb6 31. b3 Ne4 32. Rc2 Rf6 33. Kh1 c4 34. Qe2
cxb3 35. Rb2 Nc3 36. Qd2 Nxa4 37. Rxb3 Nc5 38. Rbb1 Ne4 39. Qa2 Nxf2+ 40. Kg1
Nd3+ 41. Kh1 Rxf1+ 42. Rxf1 Qxb5 43. Qe2 Re8 44. Qf3 Ne5 45. Qf6 Qc6 46. Qg5 Qe6
47. Qc1 Nc4 48. Qa1 Qe5 49. Qc1 a4 50. h3 a3 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Van Wely, Loek"]
[Black "Bowersock, Michael"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2683"]
[BlackElo "2064"]
[ECO "E15"]
[Opening "Queen's Indian"]
[Variation "Nimzovich variation (exaggerated fianchetto)"]
[WhiteFideId "1000268"]
[BlackFideId "2045320"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Nc3 O-O 8. e4 d5
9. cxd5 Bxf1 10. Kxf1 exd5 11. e5 Ne4 12. Qc2 Nxd2+ 13. Qxd2 Qd7 14. Kg2 Nc6 15.
h4 Nd8 16. Qd3 Ne6 17. Rac1 Rfe8 18. Ng5 Bxg5 19. hxg5 Nxg5 20. f4 Ne4 21. Nxe4
dxe4 22. Qxe4 f5 23. Qb7 Rab8 24. Qxc7 Qd5+ 25. Kh3 Rbc8 26. Qxc8 Rxc8 27. Rxc8+
Kf7 28. Re1 Ke6 29. Re8+ Kf7 30. Rh8 Qxd4 31. Rxh7 Qc3 32. Re2 Kg8 33. Rh4 Qf3
34. Rg2 Qe4 35. Rh5 b5 36. Kh2 a5 37. Rg5 Kh7 38. Rh5+ Kg8 39. Rd2 g6 40. Rh3
Qe1 41. Rg2 Qe4 42. Rh4 Kg7 43. Rd2 Qe1 44. Rc2 Qe4 45. Rg2 Kg8 46. e6 Qxe6 47.
g4 Qe7 48. Rh3 Qe4 49. gxf5 Qxf4+ 50. Rhg3 Qxf5 51. Rxg6+ Kf7 52. R6g5 Qf4+ 53.
Kh3 Qf3+ 54. Kh4 Qe4+ 55. R5g4 Qh7+ 56. Kg5 Ke6 57. Kf4 Qc7+ 58. Ke4 Qe5+ 59.
Kd3 Qf5+ 60. Ke3 Qc5+ 61. Kd2 b4 62. Rg6+ Kf7 63. Rg7+ Kf8 64. R7g4 Qc3+ 65. Ke2
Kf7 66. Rf2+ Ke6 67. Rc4 Qe5+ 68. Kd1 Qa1+ 69. Rc1 Qd4+ 70. Ke1 Qh4 71. Rc6+ Kd5
72. Rc4 Qh1+ 73. Kd2 Qh6+ 74. Rcf4 Kc5 75. Kc2 Qh7+ 76. Rf5+ Kb6 77. Kb2 Qh8+
78. Rf6+ Kb7 79. a3 Kc7 80. Ka2 Qh1 81. R6f5 Kb6 82. Rg5 Qh6 83. Rfg2 Qh1 84.
R5g4 Qe1 85. Rg6+ Kc7 86. Rg7+ Kd6 87. R7g6+ Kd7 88. Rh2 Ke7 89. Ra6 Qe4 90.
Rh7+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Wu, Hengyi"]
[Black "Battaglini, Gabriel"]
[Result "0-1"]
[BlackTitle "IM"]
[BlackElo "2407"]
[ECO "B18"]
[Opening "Caro-Kann"]
[Variation "classical variation"]
[WhiteFideId "2029197"]
[BlackFideId "621650"]
[EventDate "2011.07.30"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 e6 8. c3
Ngf6 9. Bg5 Bd6 10. Bxg6 hxg6 11. Ne4 Be7 12. Qc2 Qc7 13. O-O-O Nxe4 14. Qxe4
Bxg5+ 15. Nxg5 Nf6 16. Qe5 Qxe5 17. dxe5 Ng4 18. Rde1 Nxf2 19. Nxf7 O-O 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Shabalov, Alexander"]
[Black "Howe, Bob"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2577"]
[ECO "B01"]
[Opening "Scandinavian (centre counter) defence"]
[WhiteFideId "2008572"]
[BlackFideId "2058014"]
[EventDate "2011.07.30"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bc4 Nf6 6. Nf3 Bf5 7. Bd2 Qb6 8.
Qe2 e6 9. O-O-O Nbd7 10. a3 Be7 11. h3 Qc7 12. g4 Bg6 13. Ne5 Nxe5 14. dxe5 Nd5
15. f4 O-O-O 16. Rdf1 h6 17. f5 exf5 18. gxf5 Bh7 19. Rhg1 Nxc3 20. Bxc3 Bg5+
21. Kb1 Rhe8 22. Rg4 Bg8 23. h4 Bf6 24. Re4 Be7 25. f6 gxf6 26. exf6 Bf8 27.
Rxe8 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Krienke, Makaio W"]
[Black "Ramirez, Alejandro"]
[Result "0-1"]
[BlackTitle "GM"]
[BlackElo "2592"]
[ECO "B41"]
[Opening "Sicilian"]
[Variation "Kan variation"]
[WhiteFideId "2038854"]
[BlackFideId "6500617"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 Qc7 7. O-O Be7 8. a4
d6 9. Be3 O-O 10. f4 Nc6 11. Bf3 Re8 12. Qe1 Nxd4 13. Bxd4 e5 14. Be3 Be6 15.
Qf2 exf4 16. Bxf4 Nd7 17. Nd5 Bxd5 18. exd5 Bf6 19. c3 Be5 20. Be3 f5 21. Rac1
Qc4 22. Be2 Qe4 23. Qf3 Bf6 24. Kf2 Qxa4 25. b4 g6 26. Rfd1 Rac8 27. c4 Ne5 28.
Qh3 Nxc4 29. Bxc4 Rxc4 30. Rxc4 Qa2+ 31. Kg1 Qxc4 32. Rc1 Qxb4 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Sadorra, Julio Catalino"]
[Black "Viswanadha, Kesav"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[WhiteElo "2495"]
[BlackElo "1919"]
[ECO "A13"]
[Opening "English"]
[Variation "Neo-Catalan accepted"]
[WhiteFideId "5201268"]
[BlackFideId "2059533"]
[EventDate "2011.07.30"]

1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 dxc4 5. Na3 Bxa3 6. bxa3 O-O 7. Bb2 Nbd7 8.
Rc1 c5 9. Rxc4 b5 10. Rh4 Bb7 11. Qc2 h6 12. O-O Qe7 13. Qc3 a5 14. Rc1 b4 15.
Qe3 Nd5 16. Qe4 Nc3 17. Qxb7 Nxe2+ 18. Kf1 Nxc1 19. Ne5 Rad8 20. Qc7 Qg5 21. Rg4
Qxd2 22. Rxg7+ Kxg7 23. Nc4+ Qxb2 24. Nxb2 Nxa2 25. Qxa5 Nf6 26. axb4 Nxb4 27.
Qxc5 Nd3 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Iyer, Venkat"]
[Black "Mulyar, Michael A."]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "1947"]
[BlackElo "2410"]
[ECO "A25"]
[Opening "English"]
[Variation "closed system"]
[WhiteFideId "2050838"]
[BlackFideId "2008742"]
[EventDate "2011.07.30"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. d3 Nf6 7. Bd2 O-O 8. O-O h6
9. Rb1 a5 10. a3 Be6 11. b4 axb4 12. axb4 Qd7 13. c5 Bh3 14. cxd6 cxd6 15. b5
Bxg2 16. Kxg2 Nd4 17. Nxd4 exd4 18. Na4 Qe6 19. e3 dxe3 20. Bxe3 Ng4 21. Re1
Nxe3+ 22. Rxe3 Qa2 23. Nb6 Rae8 24. Qb3 Qxb3 25. Rxb3 Bd4 26. Rxe8 Rxe8 27. Nc4
d5 28. Na5 Re7 29. Rb1 Bb6 30. Nb3 Re2 31. d4 Rc2 32. Kf1 Rc4 33. Rd1 Kf8 34.
Ke2 Rb4 35. Nc5 Rxb5 36. Nxb7 Ke7 37. Rc1 Rb2+ 38. Ke1 Bxd4 39. Rc7+ Kf8 40. Nd6
Rxf2 41. Nb5 Be3 42. Nd6 d4 43. Rc8+ Ke7 44. Ne4 Rxh2 45. Rc7+ Ke6 46. Nc5+ Kd6
47. Rc8 Bf2+ 48. Kf1 Bxg3 49. Ne4+ Kd7 50. Rc5 Bf4 51. Rd5+ Ke6 52. Rxd4 Be5 53.
Nc5+ Kf5 54. Rd5 f6 55. Nd3 g5 56. Nf2 g4 57. Rd3 h5 58. Kg1 g3 59. Rf3+ Ke6 60.
Ne4 Bd4+ 61. Kf1 g2+ 62. Ke2 g1=Q+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Shih, Matthew"]
[Black "Vibbert, Sean"]
[Result "0-1"]
[BlackElo "2159"]
[ECO "A00"]
[Opening "Benko's opening"]
[WhiteFideId "2054060"]
[BlackFideId "2030292"]
[EventDate "2011.07.30"]

1. g3 d5 2. Bg2 Nf6 3. Nf3 Nbd7 4. O-O e5 5. d3 Be7 6. Nbd2 b6 7. c4 Bb7 8. a3
O-O 9. b4 a5 10. Rb1 Re8 11. Qb3 Bf8 12. e3 g6 13. Bb2 axb4 14. axb4 c5 15. b5
d4 16. Rbe1 Qc7 17. e4 Bh6 18. Bc1 Nf8 19. Qc2 Nh5 20. Nh4 Qe7 21. Ndf3 Bxc1 22.
Qxc1 Ng7 23. Bh3 Ra2 24. Qh6 Ra3 25. Rd1 f6 26. Ne1 Bc8 27. Bxc8 Rxc8 28. f4
exf4 29. gxf4 f5 30. e5 Nge6 31. Nhf3 Rca8 32. Rd2 Rc3 33. Rg2 Ra1 34. Nh4 Qf7
35. Nhf3 Rcc1 36. Qh4 Rd1 37. Rd2 Rxd2 38. Nxd2 Ra7 39. Ndf3 Qe7 40. Qxe7 Rxe7
41. Ng2 Ra7 42. h4 Ra3 43. Nfe1 Ng7 44. Rf3 Nh5 45. Kf2 Ra2+ 46. Kf1 Ne6 47. Kg1
Kf7 48. Kf1 Kg7 49. Kg1 Kh6 50. Kh1 Ra1 51. Kh2 Nhxf4 52. Rxf4 Nxf4 53. Nxf4
Rxe1 54. Nd5 Rxe5 55. Nxb6 Re3 56. Nd7 Rxd3 57. b6 Rb3 58. Nxc5 Rxb6 59. Kg3 Rc6
60. Nd3 Rxc4 61. Kf2 Rc2+ 62. Ke1 Rc3 63. Nf4 Rf3 64. Ne2 Re3 65. Kd2 Rxe2+ 66.
Kxe2 Kh5 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Presicci, Danny D"]
[Black "Dougherty, Colin T"]
[Result "0-1"]
[ECO "B96"]
[Opening "Sicilian"]
[Variation "Najdorf, 7.f4"]
[WhiteFideId "2051451"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nc6 8. Be2
Be7 9. Qd2 O-O 10. O-O-O Qc7 11. Bxf6 gxf6 12. h4 Nxd4 13. Qxd4 b5 14. Rh3 Kh8
15. Rg3 Bb7 16. Bh5 Rac8 17. f5 b4 18. Qxb4 d5 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Berisha, Enver"]
[Black "Kutikoff, Bruce"]
[Result "1-0"]
[ECO "D00"]
[Opening "Queen's pawn game"]
[WhiteFideId "3600122"]
[EventDate "2011.07.30"]

1. d4 d5 2. e3 Nf6 3. c4 c6 4. Nc3 e6 5. a3 a6 6. Nf3 Nbd7 7. Bd3 h6 8. O-O Be7
9. b4 b5 10. c5 a5 11. Bb2 O-O 12. Qc2 Qc7 13. h3 a4 14. Rae1 e5 15. Nxe5 Nxe5
16. dxe5 Qxe5 17. Nxb5 Qg5 18. Nd4 Bxh3 19. f4 Qg3 20. Qf2 Qxf2+ 21. Kxf2 Bd7
22. Nf5 Bd8 23. Rg1 Ng4+ 24. Kf3 Nf6 25. g4 Kh8 26. Nxh6 Ne4 27. Bxe4 dxe4+ 28.
Kxe4 Kh7 29. Nf5 Re8+ 30. Kf3 Bxf5 31. gxf5 f6 32. e4 Bc7 33. e5 fxe5 34. fxe5
Rf8 35. Ke4 Rae8 36. Rg6 Rxf5 37. Kxf5 Rf8+ 38. Rf6 gxf6 39. exf6 Bd8 40. Rh1+
Kg8 41. Kg6 Rf7 42. Rh8+ Kxh8 43. Kxf7 Kh7 44. Ke8 Bxf6 45. Bxf6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Gurevich, Dmitry"]
[Black "Gunawan, Cheston"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2479"]
[BlackElo "1936"]
[ECO "E98"]
[Opening "King's Indian"]
[Variation "orthodox, Aronin-Taimanov, 9.Ne1"]
[WhiteFideId "2000407"]
[BlackFideId "2015161"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7
9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. Nb5 b6 14. b4 a6 15. Nc3 Rf6 16.
Nd3 Rg6 17. c5 Nf6 18. cxb6 cxb6 19. b5 a5 20. Na4 Rb8 21. Qd2 g4 22. Bxb6 Rxb6
23. Qxa5 g3 24. h3 Rh6 25. Qxb6 Qe8 26. Qb8 Rxh3 27. gxh3 Qh5 28. Nf2 Ne8 29. b6
Bxh3 30. Nxh3 Qxh3 31. Qxe8+ Bf8 32. Rf2 gxf2+ 33. Kxf2 Qh2+ 34. Ke1 Qg1+ 35.
Kd2 Qxa1 36. Qb5 Qxa2+ 37. Ke1 Qa1+ 38. Bd1 Qd4 39. b7 Qg1+ 40. Kd2 Qf2+ 41. Be2
Qd4+ 42. Kc2 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Villone, Sean M"]
[Black "Banerjee, Abhimanyu"]
[Result "0-1"]
[ECO "B12"]
[Opening "Caro-Kann"]
[Variation "advance variation"]
[EventDate "2011.07.30"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bg4 6. Be2 e6 7. O-O Nge7 8. Nbd2
Ng6 9. h3 Bxf3 10. Nxf3 Be7 11. Re1 O-O 12. Bd3 Qc7 13. Bxg6 hxg6 14. h4 Rac8
15. dxc5 Bxc5 16. Bf4 Rfd8 17. Ng5 d4 18. c4 Ne7 19. h5 Bb4 20. hxg6 Nxg6 21.
Re4 Be7 22. Qh5 Qc6 23. Ree1 Qxg2+ 24. Kxg2 Nxf4+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Berry, Jim"]
[Black "Finney, Stuart"]
[Result "0-1"]
[WhiteTitle "NCM"]
[BlackElo "2162"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf"]
[BlackFideId "2029286"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2
Nbd7 9. O-O-O Bb7 10. Kb1 Nb6 11. g4 Nfd7 12. h4 b4 13. Nce2 Nc4 14. Qc1 Ndb6
15. Ng3 d5 16. g5 Qc7 17. exd5 Bxd5 18. Ne4 Rc8 19. Bd3 Na4 20. Bxc4 Qxc4 21.
Nb3 Be7 22. h5 Bxe4 23. fxe4 Qxe4 24. Rde1 Qc4 25. g6 hxg6 26. hxg6 Rxh1 27.
gxf7+ Kxf7 28. Rxh1 Bf6 29. Rf1 Kg8 30. Rxf6 gxf6 31. Bd4 Kf7 32. Qd1 Ke7 33.
Kc1 e5 34. Bf2 Qf4+ 35. Qd2 Qxd2+ 36. Nxd2 Nc5 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Fitch, Michael D"]
[Black "Esserman, Marc"]
[Result "0-1"]
[BlackTitle "IM"]
[BlackElo "2453"]
[ECO "E62"]
[Opening "King's Indian"]
[Variation "fianchetto, Kavalek (Bronstein) variation"]
[WhiteFideId "2071789"]
[BlackFideId "2018616"]
[EventDate "2011.07.30"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. c4 c6 7. Nc3 Qa5 8. a3 Be6
9. Nd2 Qa6 10. d5 cxd5 11. cxd5 Bc8 12. b4 Nbd7 13. Bb2 Ne5 14. Qb3 Bh6 15. Nf3
Qc4 16. Qd1 Nxf3+ 17. Bxf3 Bh3 18. Re1 Nd7 19. e3 Ne5 20. Be2 Qc8 21. Rc1 Qf5
22. Nb5 Qe4 23. f3 Qxe3+ 24. Kh1 Qf2 25. Rg1 Bxc1 26. Bxc1 Rac8 27. Bb2 Nxf3 28.
Bxf3 Rc2 29. Qxc2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Kutikoff, Adam"]
[Black "Shvartsman, Andrew Nathaniel"]
[Result "0-1"]
[BlackTitle "CM"]
[BlackElo "2209"]
[ECO "B24"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "2054337"]
[BlackFideId "2006111"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 e6 6. d3 Nge7 7. Be3 Nd4 8. Qd2
Nec6 9. f4 O-O 10. O-O f5 11. e5 d6 12. exd6 Qxd6 13. a3 Rb8 14. Rab1 b5 15. Nd1
a5 16. Nf2 a4 17. Nh3 h6 18. Kh1 b4 19. Nhg1 b3 20. Nxd4 Nxd4 21. c3 Nc2 22. Bf2
Ba6 23. Rfd1 Rfd8 24. Bf1 Qc6+ 25. Bg2 Qd6 26. Bf1 Rd7 27. Nf3 Rbd8 28. Ne5 Bxe5
29. fxe5 Qd5+ 30. Bg2 Qxe5 31. Qxh6 Qf6 32. Bxc5 Rxd3 33. Rxd3 Bxd3 34. Rd1 e5
35. Kg1 e4 36. Bf1 Qc6 37. Bf2 Rd7 38. Bxd3 Rxd3 39. Rxd3 exd3 40. Qd2 Qe4 41.
h3 Kg7 42. h4 f4 43. Bd4+ Kh7 44. Bf2 fxg3 45. Bxg3 Qe3+ 46. Qxe3 Nxe3 47. Be1
Nc4 48. Kf2 d2 49. Bxd2 Nxd2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Zepeda, Lorena"]
[Black "Aipa, Likeke S"]
[Result "1-0"]
[WhiteTitle "WIM"]
[WhiteElo "2187"]
[ECO "C00"]
[Opening "French"]
[Variation "King's Indian attack"]
[WhiteFideId "6700233"]
[BlackFideId "2062143"]
[EventDate "2011.07.30"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Bd6 6. Bg2 Nge7 7. O-O O-O 8. Re1
f6 9. c3 Bd7 10. exd5 exd5 11. d4 Kh8 12. dxc5 Bxc5 13. Nb3 Bb6 14. Nbd4 Ng6 15.
Qb3 Bg4 16. h3 Bxf3 17. Nxf3 Qd6 18. Be3 Bxe3 19. Rxe3 Qc5 20. Rd1 Rfd8 21. Red3
Nge7 22. Nd4 Ne5 23. Ne6 Qa5 24. Nxd8 Nxd3 25. Nf7+ Kg8 26. Nh6+ gxh6 27. Rxd3
Rd8 28. Qxb7 Qc5 29. b4 Qd6 30. Qxa7 Nc6 31. Bxd5+ Kh8 32. Qb6 Rc8 33. Be4 Qe6
34. Bxc6 Rxc6 35. Qd8+ Kg7 36. Qd7+ Qxd7 37. Rxd7+ Kg6 38. Rd3 Ra6 39. Rd2 Kf5
40. b5 Ra5 41. Rb2 Ke4 42. b6 Ra8 43. b7 Rb8 44. a4 Kf3 45. a5 h5 46. a6 h4 47.
a7 Rd8 48. b8=Q Rd1+ 49. Kh2 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Zack, Daniel"]
[Black "Dixon, Blake W"]
[Result "0-1"]
[ECO "C24"]
[Opening "Bishop's opening"]
[Variation "Berlin defence"]
[WhiteFideId "2068524"]
[BlackFideId "2051214"]
[EventDate "2011.07.30"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nf3 d6 5. c3 c6 6. Nbd2 Be6 7. Qb3 Bxc4 8. Qxb7
Bxd3 9. Nb3 Nbd7 10. Nxc5 dxc5 11. Bg5 Rb8 12. Qxc6 Rxb2 13. Nxe5 Bb5 14. Qd6
Re2+ 15. Kd1 Nxe5 16. Qxd8+ Kxd8 17. Rb1 Rxa2 18. Rxb5 Ke7 19. f4 Rd8+ 20. Kc1
Nc4 21. Rb7+ Ke8 22. Kb1 Rdd2 23. e5 Na3+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Hao, Evan"]
[Black "Thompson, Buddy"]
[Result "0-1"]
[BlackElo "1877"]
[ECO "C15"]
[Opening "French"]
[Variation "Winawer (Nimzovich) variation"]
[BlackFideId "2047772"]
[EventDate "2011.07.30"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd2 Nf6 6. Nf3 Bg4 7. Qe2+ Qe7 8.
Qxe7+ Kxe7 9. Be2 Re8 10. O-O Kf8 11. Rfe1 Nc6 12. a3 Ba5 13. h3 Bxf3 14. Bxf3
Nxd4 15. Rxe8+ Rxe8 16. Bxd5 Nxd5 17. Nxd5 Bxd2 18. Kf1 Ba5 19. Rd1 Nxc2 20. Rc1
Nd4 21. Nxc7 Nb3 22. Nxe8 Nxc1 23. Nd6 Bb6 24. Nxb7 Nd3 25. b4 Nxf2 26. a4 Nd3
27. a5 Bc7 28. b5 Ke7 29. Ke2 Ne5 30. Kd1 Nc4 31. a6 Nd6 32. Kc2 Nxb5 33. Kb3
Bb6 34. Kb4 Nc7 35. Nc5 Bxc5+ 36. Kxc5 Nxa6+ 37. Kc6 Nb4+ 38. Kb5 Nd3 39. Ka6
Nf4 40. Kxa7 Nxg2 41. Kb6 Ke6 42. Kc5 Ke5 43. Kc6 f5 44. Kd7 f4 45. Ke7 f3 46.
Kf7 f2 47. Kxg7 f1=Q 48. Kxh7 Qf7+ 49. Kh6 Kf5 50. h4 Qg6# 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Regam, Jessica"]
[Black "Lenderman, Aleksandr"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "1819"]
[BlackElo "2525"]
[ECO "B00"]
[Opening "King's pawn opening"]
[WhiteFideId "2033496"]
[BlackFideId "2021285"]
[EventDate "2011.07.30"]

1. e4 d6 2. d4 Nf6 3. f3 e5 4. d5 g6 5. Be3 a5 6. Qd2 Bg7 7. c4 Nbd7 8. Nc3 Nc5
9. g4 Bd7 10. h4 h6 11. Nge2 Bf8 12. Ng3 c6 13. Be2 Be7 14. h5 g5 15. dxc6 bxc6
16. Nf5 Bxf5 17. gxf5 Nfd7 18. O-O-O a4 19. Qc2 Qa5 20. Rd2 O-O 21. Rg1 Kh8 22.
Bf1 Rfb8 23. Rdg2 a3 24. b3 Nxb3+ 25. axb3 a2 26. Nxa2 Qe1+ 27. Kb2 Rxa2+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Kuzma, Steve"]
[Black "Vazquez Maccarini, Danitza"]
[Result "0-1"]
[BlackTitle "WFM"]
[BlackElo "1785"]
[ECO "B43"]
[Opening "Sicilian"]
[Variation "Kan, 5.Nc3"]
[BlackFideId "3101193"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. Bg5 Be7 8. Nf3
d6 9. O-O Nbd7 10. Re1 b5 11. a3 Bb7 12. h3 O-O 13. Re3 Rfe8 14. Qd2 Rac8 15.
Rae1 Qc6 16. Bf1 Red8 17. Qc1 h6 18. Bh4 Qc5 19. e5 dxe5 20. Nxe5 Nxe5 21. Rxe5
Qd4 22. Bg3 Bd6 23. R5e3 Nd5 24. Rd1 Qb6 25. Nxd5 Bxd5 26. Bxd6 Rxd6 27. Rg3 Kh8
28. Bd3 Bc4 29. Qf4 Qc7 30. c3 Rxd3 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Muradian, Sevan A"]
[Black "Karas, Nicholas"]
[Result "0-1"]
[WhiteElo "1891"]
[BlackElo "2142"]
[ECO "A48"]
[Opening "King's Indian"]
[Variation "East Indian defence"]
[WhiteFideId "2039010"]
[BlackFideId "2042339"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 g6 3. c3 Bg7 4. Bf4 O-O 5. e3 c5 6. Bd3 Qb6 7. Qb3 Qxb3 8. axb3
cxd4 9. exd4 d6 10. Nbd2 Nc6 11. b4 e5 12. dxe5 dxe5 13. Be3 Re8 14. Ne4 Bf5 15.
Nxf6+ Bxf6 16. Bxf5 gxf5 17. b5 Nd4 18. O-O-O Nxb5 19. Rd7 f4 20. Rxb7 fxe3 21.
Rxb5 e4 22. Ng5 exf2 23. Kd2 h6 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Kleiman, Jake"]
[Black "Tyagi, Kushan"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2375"]
[BlackElo "2113"]
[ECO "B10"]
[Opening "Caro-Kann defence"]
[WhiteFideId "2020041"]
[BlackFideId "2040069"]
[EventDate "2011.07.30"]

1. e4 c6 2. Nc3 d5 3. Qe2 d4 4. Nd1 e5 5. d3 Bd6 6. g3 Be6 7. f4 f6 8. Bh3 Bf7
9. Nf3 h6 10. O-O Ne7 11. fxe5 fxe5 12. Nf2 O-O 13. Ng4 Bh5 14. Nfxe5 Bxe5 15.
Nxh6+ gxh6 16. Qxh5 Rxf1+ 17. Kxf1 Bg7 18. Be6+ Kh7 19. Kg2 Nd7 20. Bxh6 Nf6 21.
Qg5 Qf8 22. Bxg7 Qxg7 23. Qc5 Ng6 24. Rf1 Re8 25. Bf5 Rd8 26. Bxg6+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Kammerdiner, Jason"]
[Black "Gater, Daniel"]
[Result "0-1"]
[BlackElo "2136"]
[ECO "B21"]
[Opening "Sicilian"]
[Variation "Smith-Morra gambit"]
[WhiteFideId "2068753"]
[BlackFideId "2050374"]
[EventDate "2011.07.30"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 a6 7. e5 dxe5 8.
Qxd8+ Nxd8 9. Nd5 Rb8 10. Nxe5 e6 11. Nc7+ Ke7 12. Bf4 Nf6 13. O-O-O Nh5 14. Be3
Nc6 15. Bc5+ Kf6 16. Ng4+ Kf5 17. Bd3+ Kxg4 18. Be3 Nf6 19. f3+ Kh5 20. g4+ Kh4
21. Bf2+ Kg5 22. Bg3 Nd7 23. Ne8 f5 24. h4+ Kg6 25. gxf5+ exf5 26. h5+ Kf7 27.
Rhe1 Be7 28. Nd6+ Bxd6 29. Bxd6 Kf6 30. Bc4 Nde5 31. Bb3 Nxf3 32. Re3 Nfe5 33.
Bc7 Be6 34. Bxe6 Kxe6 35. Rd6+ Ke7 36. Rxc6 bxc6 37. Rxe5+ Kf6 38. h6 Rb7 39.
hxg7 Rg8 40. Bd6 Rd7 41. Re8 Rxe8 42. Bf8 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Kapke, Paul A"]
[Black "Xu, Grant Y"]
[Result "0-1"]
[BlackElo "2123"]
[ECO "C00"]
[Opening "French defence"]
[WhiteFideId "2051087"]
[BlackFideId "2052318"]
[EventDate "2011.07.30"]

1. e4 e6 2. Be2 d5 3. exd5 exd5 4. Nf3 Nf6 5. d3 Bd6 6. Bg5 h6 7. Bh4 O-O 8. Nc3
c6 9. Qd2 Nbd7 10. Bg3 Nc5 11. O-O-O b5 12. Nd4 Bxg3 13. hxg3 Bd7 14. Rh4 b4 15.
Rxh6 bxc3 16. Qg5 Nh7 17. Qxd8 cxb2+ 18. Kb1 Rfxd8 19. Rh4 Nf6 20. Rdh1 Kf8 21.
Bf3 Ke7 22. Nb3 Nxb3 23. axb3 Kd6 24. Kxb2 a5 25. Ra1 Kc7 26. Rha4 Rh8 27. Rxa5
Rxa5 28. Rxa5 Rh1 29. c4 Rf1 30. cxd5 Rxf2+ 31. Kc3 Nxd5+ 32. Bxd5 cxd5 33. Rxd5
Rxg2 34. b4 Rxg3 35. b5 Be6 36. Re5 Kb6 37. Kd4 Rg4+ 38. Kc3 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Gurczak, John"]
[Black "Mercer, Richard"]
[Result "1-0"]
[WhiteElo "2114"]
[ECO "D12"]
[Opening "QGD Slav"]
[Variation "4.e3 Bf5"]
[WhiteFideId "2042096"]
[BlackFideId "2049180"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Be2 e6 6. O-O dxc4 7. Bxc4 Nbd7 8. Nc3
b5 9. Bd3 Bxd3 10. Qxd3 Be7 11. Rd1 O-O 12. e4 b4 13. e5 bxc3 14. exf6 cxb2 15.
fxe7 bxa1=Q 16. exd8=Q Rfxd8 17. Qc2 Ne5 18. Nxe5 Rxd4 19. Bd2 Rxd2 20. Qxd2
Qxe5 21. Qd8+ Rxd8 22. Rxd8# 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Serna, Jeffrey M"]
[Black "Rodriguez, Eric"]
[Result "1-0"]
[BlackTitle "FM"]
[BlackElo "2320"]
[ECO "C30"]
[Opening "King's gambit"]
[WhiteFideId "2068591"]
[BlackFideId "2023628"]
[EventDate "2011.07.30"]

1. e4 e5 2. f4 Nc6 3. Nf3 f5 4. exf5 e4 5. Ne5 Nf6 6. d4 d6 7. Bb5 a6 8. Nxc6
Qd7 9. Ba4 bxc6 10. c4 Rb8 11. d5 Qxf5 12. Bxc6+ Kd8 13. Nc3 h5 14. Qc2 Be7 15.
Ne2 h4 16. Nd4 Qg6 17. O-O Rb6 18. f5 Qh5 19. Bd2 h3 20. g3 Ng4 21. Ba5 Bg5 22.
Bxb6 Be3+ 23. Kh1 cxb6 24. Qxe4 Nf2+ 25. Rxf2 Bxf2 26. Qf4 Bxd4 27. Qxd6+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Sarkar, Justin"]
[Black "Jiang, Austin"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2376"]
[ECO "D32"]
[Opening "QGD"]
[Variation "Tarrasch defence"]
[WhiteFideId "2010011"]
[BlackFideId "2047659"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. dxc5 d4 7. Na4 Bxc5 8.
Nxc5 Qa5+ 9. Qd2 Qxc5 10. a3 a6 11. b4 Qd5 12. Bb2 Bg4 13. Nxd4 Rd8 14. Rd1 Nf6
15. Nxc6 Qxd2+ 16. Rxd2 Rxd2 17. Kxd2 bxc6 18. f3 Bc8 19. Bxf6 gxf6 20. e4 Ke7
21. Bd3 Be6 22. Rc1 Kd7 23. Rc5 Kc7 24. Bxa6 Ra8 25. b5 Bd7 26. a4 Kb6 27. Rh5
Be6 28. Kc3 c5 29. Rxh7 Rd8 30. Rh5 c4 31. Kb4 Rd3 32. a5+ Ka7 33. Rc5 Rb3+ 34.
Ka4 Rb2 35. Rc7+ Kb8 36. b6 Ra2+ 37. Kb4 Rb2+ 38. Kc3 Rb3+ 39. Kc2 Ra3 40. Re7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Mark, Ian"]
[Black "Vilenchuk, Michael"]
[Result "0-1"]
[BlackElo "2183"]
[ECO "B78"]
[Opening "Sicilian"]
[Variation "dragon, Yugoslav attack, 10.O-O-O"]
[BlackFideId "2036959"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Bc4
Nc6 9. Qd2 Bd7 10. O-O-O Rb8 11. g4 b5 12. Nxc6 Bxc6 13. Bb3 a5 14. h4 a4 15.
Bd5 b4 16. Ne2 Bxd5 17. exd5 b3 18. cxb3 axb3 19. a3 Rc8+ 20. Nc3 Qa5 21. Kb1
Nd7 22. Bd4 Ne5 23. Qf2 Rc4 24. h5 Rfc8 25. hxg6 hxg6 26. Rh3 Rxd4 27. Rxd4 Nc4
28. f4 Nxa3+ 29. bxa3 Rxc3 30. Qd2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "2"]
[White "Berry, Frank K"]
[Black "Gotschall, Roger W"]
[Result "1-0"]
[WhiteElo "1900"]
[ECO "B03"]
[Opening "Alekhine's defence"]
[WhiteFideId "2021633"]
[BlackFideId "2031027"]
[EventDate "2011.07.30"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. Nf3 Bg4 6. Be2 g6 7. O-O Nc6 8. exd6
exd6 9. Re1 Bg7 10. h3 Bd7 11. Bd3+ Ne7 12. Qe2 h6 13. Nc3 Nc8 14. Nd5 c6 15.
Nxe7 Qxe7 16. Qd2 Be6 17. d5 cxd5 18. cxd5 Be5 19. dxe6 Qxe6 20. Bb5+ Ke7 21. b3
Nb6 22. Nxe5 dxe5 23. Ba3+ Kf6 24. Bb2 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Kaufman, Larry C"]
[Black "Sundararajan, Kidambi"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2406"]
[BlackElo "2491"]
[ECO "D17"]
[Opening "QGD Slav"]
[Variation "Krause attack"]
[WhiteFideId "2000555"]
[BlackFideId "5005370"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Nb6 8.
Ne5 a5 9. g3 e6 10. Bg2 Bb4 11. O-O O-O 12. e3 h6 13. Qe2 Bh7 14. Rd1 Qe7 15. e4
Rfd8 16. Bf4 Nfd7 17. Nd3 Bd6 18. Bxd6 Qxd6 19. Ne1 e5 20. dxe5 Qxe5 21. Nd3 Qe7
22. f4 Nc5 23. Nxc5 Qxc5+ 24. Qf2 Qxf2+ 25. Kxf2 Kf8 26. Bf1 f6 27. Bd3 Bg8 28.
Bc2 Ke7 29. b3 Nd7 30. Ne2 Nc5 31. Nd4 Bh7 32. Ke3 Kf7 33. f5 Ke7 34. Rd2 Bg8
35. Rad1 Na6 36. Rg1 Nb4 37. Bd1 Rd7 38. Nf3 Rad8 39. Rxd7+ Rxd7 40. Nd2 Rd3+
41. Ke2 Kd6 42. Rf1 Ke5 43. Rf4 Bf7 44. Rh4 Kd4 45. e5+ Kxe5 46. Nf3+ Rxf3 47.
Kxf3 Kxf5 48. Ke3 Ke5 49. Re4+ Kd6 50. Kd2 f5 51. Re1 g5 52. h4 g4 53. Rf1 Ke5
54. Bxg4 Bxb3 55. Rxf5+ Ke4 56. Rxa5 Nd5 57. Ra7 b6 58. a5 bxa5 59. Rxa5 Nf6 60.
Be2 Bd5 61. Ra8 Kd4 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Naroditsky, Daniel"]
[Black "Harmon, Luke"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[WhiteElo "2451"]
[BlackElo "2184"]
[ECO "A15"]
[Opening "English opening"]
[WhiteFideId "2026961"]
[BlackFideId "2030012"]
[EventDate "2011.07.30"]

1. Nf3 Nf6 2. c4 b6 3. d3 Bb7 4. e4 d6 5. Nc3 Nbd7 6. g3 g6 7. Bg2 Bg7 8. O-O c5
9. Ng5 O-O 10. f4 h6 11. Nh3 Ne8 12. Be3 Rc8 13. Qd2 f5 14. Nf2 Nc7 15. g4 e6
16. gxf5 exf5 17. d4 cxd4 18. Bxd4 Bxd4 19. Qxd4 Nc5 20. b4 N5e6 21. Qe3 Qh4 22.
Nd3 Rce8 23. Rae1 fxe4 24. Nxe4 Ng7 25. Qg3 Qxg3 26. hxg3 Rd8 27. Nf6+ Rxf6 28.
Bxb7 d5 29. cxd5 Nxd5 30. Bxd5+ Rxd5 31. Ne5 Nf5 32. Rf3 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Santalla, Andres"]
[Black "Ewing, Gabriel R"]
[Result "1-0"]
[WhiteElo "2099"]
[ECO "C02"]
[Opening "French"]
[Variation "advance, Paulsen attack"]
[WhiteFideId "2029103"]
[BlackFideId "2061880"]
[EventDate "2011.07.30"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 Nh6 7. Bxh6 gxh6 8. Qd2
cxd4 9. cxd4 Bg7 10. O-O O-O 11. Nc3 Bd7 12. Rad1 f6 13. exf6 Rxf6 14. a3 Raf8
15. b4 Rxf3 16. Bxf3 Qxd4 17. Qxd4 Nxd4 18. Bg4 Nf3+ 19. Bxf3 Bxc3 20. Rd3 d4
21. Rc1 Rc8 22. Bxb7 Rc7 23. Rxd4 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Kelley, Dereque D"]
[Black "Rich, Tony D"]
[Result "1-0"]
[WhiteElo "2203"]
[ECO "B14"]
[Opening "Caro-Kann"]
[Variation "Panov-Botvinnik attack, 5...g6"]
[WhiteFideId "2038439"]
[BlackFideId "2050315"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nc3 cxd4 5. exd4 d5 6. Nf3 Bg7 7. Be2 O-O 8. O-O
Nc6 9. h3 h6 10. Be3 Be6 11. Qd2 Ne4 12. Qc1 Nxc3 13. bxc3 dxc4 14. Bxh6 Bd5 15.
Rb1 Qd7 16. Qe3 Rfe8 17. Rfe1 Rac8 18. Nh2 e5 19. Bxg7 Kxg7 20. Ng4 Qf5 21. Qh6+
Kg8 22. Ne3 Qe6 23. Bg4 f5 24. Nxd5 fxg4 25. Rxb7 Ne7 26. Rxe5 Nf5 27. Qh7+ Kf8
28. Rxf5+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Salomon, Johan"]
[Black "Blair, David A"]
[Result "1-0"]
[WhiteElo "1944"]
[ECO "B03"]
[Opening "Alekhine's defence"]
[Variation "exchange variation"]
[WhiteFideId "1509500"]
[BlackFideId "2043190"]
[EventDate "2011.07.30"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Be3 Nc6 8. Rc1
Bf5 9. b3 O-O 10. d5 Ne5 11. Be2 Re8 12. h3 Bg5 13. Qd4 Bxe3 14. fxe3 Qg5 15.
Nf3 Qf6 16. e4 Bg6 17. b4 Nbd7 18. Kf2 Qf4 19. Qd2 Qxd2 20. Nxd2 Nf6 21. Rhe1
Re7 22. g4 h6 23. Kg3 Rae8 24. Bf1 Ned7 25. Bd3 a5 26. a3 Ne5 27. Bf1 axb4 28.
axb4 Ned7 29. Kf4 Bh7 30. Bg2 Ne5 31. Re3 Nxc4 32. Nxc4 g5+ 33. Kg3 Nxe4+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Poustie, Harold J"]
[Black "Davila Blanco, Juan Jose"]
[Result "1-0"]
[ECO "C77"]
[Opening "Ruy Lopez"]
[Variation "four knights (Tarrasch) variation"]
[WhiteFideId "2043009"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 d6 6. h3 Be7 7. a3 b5 8. O-O h6
9. Bb3 O-O 10. d3 Bd7 11. Be3 Na7 12. Ne2 c5 13. Ba2 Nc6 14. c3 Be6 15. Bxe6
fxe6 16. Nh4 Nxe4 17. Ng6 Rf6 18. Nxe7+ Qxe7 19. dxe4 Rd8 20. Ng3 d5 21. Qg4 Qf7
22. Nh5 Rg6 23. Qe2 d4 24. cxd4 Nxd4 25. Bxd4 exd4 26. Rad1 c4 27. f4 d3 28. Qe3
Qb7 29. Rf3 d2 30. Rg3 Rxg3 31. Nxg3 Qd7 32. Qb6 Qd4+ 33. Qxd4 Rxd4 34. Kf2 c3
35. bxc3 Ra4 36. Rxd2 Rxa3 37. Ne2 a5 38. Rd8+ Kf7 39. Rb8 Rb3 40. c4 bxc4 41.
Ra8 Rb5 42. Nc3 Rc5 43. Ke3 Ke7 44. Kd4 Rh5 45. Kxc4 Kd7 46. Ra7+ Kc6 47. Rxg7
e5 48. Rg6+ Kc7 49. f5 Rg5 50. Rxg5 hxg5 51. Kd5 g4 52. Ke6 gxh3 53. gxh3 a4 54.
Nxa4 Kd8 55. Kf7 Kc7 56. Ke6 Kd8 57. f6 Ke8 58. Nb6 Kf8 59. Nd7+ Kg8 60. f7+ Kg7
61. f8=Q+ Kg6 62. Nxe5+ Kh7 63. Qf7+ Kh8 64. Ng6# 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Mu, Joshua"]
[Black "Lundstrom, Brad"]
[Result "1-0"]
[WhiteElo "2145"]
[ECO "B10"]
[Opening "Caro-Kann defence"]
[WhiteFideId "2024420"]
[BlackFideId "2032163"]
[EventDate "2011.07.30"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Ne5 Nc6 5. Bb5 Qd6 6. d4 a6 7. Bxc6+ bxc6 8.
Bf4 Qb4+ 9. Nc3 Bb7 10. O-O e6 11. a3 Qb6 12. Na4 Qa5 13. c4 Nf6 14. b4 Qd8 15.
c5 Be7 16. Nb6 Ra7 17. Qa4 O-O 18. Nxc6 Bxc6 19. Qxc6 Ne4 20. Rfc1 g5 21. Be3
Rc7 22. Qa4 f5 23. f3 f4 24. Bf2 Nxf2 25. Kxf2 Bf6 26. Rd1 g4 27. Qxa6 gxf3 28.
gxf3 Rg7 29. Qf1 e5 30. Qh3 exd4 31. Rg1 Bh4+ 32. Kf1 Rxg1+ 33. Kxg1 Qe7 34.
Nxd5 Qg5+ 35. Qg2 Qxg2+ 36. Kxg2 Re8 37. Nxf4 Bg5 38. Kg3 Bf6 39. Nd3 Re3 40.
Rd1 h5 41. c6 Be7 42. Nf4 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Ritter, Mark"]
[Black "Zapata, Alonso"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2408"]
[BlackElo "2472"]
[ECO "A48"]
[Opening "King's Indian"]
[Variation "East Indian defence"]
[WhiteFideId "2002965"]
[BlackFideId "4400011"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. e3 Bg7 5. Bd3 O-O 6. O-O c5 7. b3 Nc6 8. Bb2
b6 9. a3 Bb7 10. Qe2 Rc8 11. Rfd1 Nd7 12. c4 e6 13. cxd5 exd5 14. Rac1 Re8 15.
Qf1 Qe7 16. Rc2 Na5 17. Bb5 cxd4 18. Rxc8 Rxc8 19. Nxd4 Ne5 20. Rc1 Qd8 21. b4
Nac4 22. Nxc4 dxc4 23. Bxc4 Rxc4 24. Rxc4 Bxg2 25. Qxg2 Nxc4 26. Bc3 Qe8 27. Qf3
Nxa3 28. Qe2 Qc8 29. Bb2 Nc4 30. Bc3 a6 31. b5 axb5 32. Bb4 h5 33. Nxb5 Qc6 34.
Nd4 Qd5 35. Nf3 Qe4 36. Nd2 Nxd2 37. Qxd2 b5 38. h3 Kh7 39. Qd6 Qf3 40. Qd7 Qe4
41. Qd6 Qe6 42. Qc5 Qxh3 43. Qxb5 Qg4+ 44. Kf1 h4 45. Be7 h3 46. Qd5 h2 47. Qh1
Qc4+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Dean, Jim H."]
[Black "Rogers, Bradley K"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2272"]
[BlackElo "2104"]
[ECO "A57"]
[Opening "Benko gambit"]
[WhiteFideId "2012340"]
[BlackFideId "2019922"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nd2 g6 5. e4 d6 6. b3 b4 7. Bb2 Bg7 8. Ngf3 O-O
9. Qc2 e6 10. dxe6 Bxe6 11. Be2 Nc6 12. O-O Qc7 13. Rfe1 Ne5 14. Nf1 Bh6 15. g3
Rad8 16. Nxe5 dxe5 17. f4 Rd4 18. Bxd4 cxd4 19. fxe5 Qxe5 20. Bf3 Rd8 21. Qb2
Qc5 22. Rad1 Ng4 23. Bxg4 Bxg4 24. Rd3 Rd7 25. Qg2 Qh5 26. h4 Qe5 27. Nh2 Be6
28. Nf3 Qc5 29. Ng5 Bxg5 30. hxg5 Qxg5 31. Qf2 h5 32. Qf4 Qd8 33. Red1 a5 34.
R1d2 a4 35. Qe5 axb3 36. axb3 Qb6 37. Rxd4 Rxd4 38. Qxd4 Qc6 39. Ra2 Kh7 40. Ra7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Chang, Pierre"]
[Black "Finegold, Spencer"]
[Result "0-1"]
[BlackElo "2037"]
[ECO "D85"]
[Opening "Gruenfeld"]
[Variation "modern exchange variation"]
[WhiteFideId "8201030"]
[BlackFideId "2047527"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8.
Bc4 O-O 9. O-O Nc6 10. Be3 Bg4 11. e5 Qa5 12. Rc1 Rad8 13. h3 Nxe5 14. Bxf7+
Rxf7 15. hxg4 Nxf3+ 16. gxf3 cxd4 17. cxd4 Qxa2 18. Ra1 Qd5 19. Rxa7 Rxf3 20.
Qb1 Rh3 21. f3 Rxf3 22. Rxf3 Qxf3 23. Qb3+ Kh8 24. Rxb7 Qxg4+ 25. Kh1 Qh3+ 26.
Kg1 Rf8 27. Qd3 Qg3+ 28. Kh1 Qh3+ 29. Kg1 Qg3+ 30. Kh1 Qf3+ 31. Kg1 Qxb7 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Tari, Aryan"]
[Black "Adams, Nick A."]
[Result "1/2-1/2"]
[WhiteElo "2179"]
[BlackElo "2240"]
[ECO "B15"]
[Opening "Caro-Kann"]
[Variation "Tartakower (Nimzovich) variation"]
[WhiteFideId "1510045"]
[BlackFideId "2009358"]
[EventDate "2011.07.30"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bd6 7. Bd3 O-O 8.
O-O Bg4 9. h3 Bh5 10. Be4 Re8 11. Qd3 Bg6 12. Bxg6 hxg6 13. Bd2 Na6 14. Rae1 Qd7
15. Rxe8+ Rxe8 16. Re1 Rxe1+ 17. Nxe1 Nc7 18. Qe4 f5 19. Qe2 Be7 20. Nd3 Bf6 21.
c3 Qd5 22. b3 g5 23. f4 gxf4 24. Nxf4 Qd7 25. Kf1 g6 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Antler, Arthur S"]
[Black "Hough, Randall D."]
[Result "1/2-1/2"]
[WhiteElo "1968"]
[BlackElo "1994"]
[ECO "A46"]
[Opening "Queen's pawn"]
[Variation "Torre attack"]
[WhiteFideId "2025540"]
[BlackFideId "2010160"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 h6 4. Bh4 c5 5. e3 b6 6. c4 Bb7 7. Nc3 cxd4 8. exd4
Bb4 9. Bd3 Bxc3+ 10. bxc3 d6 11. O-O Nbd7 12. Bg3 Qe7 13. Re1 g5 14. d5 e5 15.
Nd4 O-O-O 16. Bf5 Kb8 17. Bxd7 Qxd7 18. Nb5 Nxd5 19. Nxd6 Nf4 20. Bxf4 exf4 21.
Nxb7 Qxb7 22. Qh5 Qc7 23. c5 Qxc5 24. Qxf7 Rhf8 25. Qg6 f3 26. Re3 fxg2 27. Kxg2
Qd5+ 28. Kg1 Qd2 29. Rf1 Rxf2 30. Rxf2 Qxe3 31. Qxh6 Rd1+ 32. Kg2 Qe4+ 33. Rf3
g4 34. Qf4+ Qxf4 35. Rxf4 Rd2+ 36. Kg3 Rxa2 37. Rxg4 Ra3 38. Rc4 b5 39. Rc5 b4
40. Rb5+ Kc7 41. Rxb4 Rxc3+ 42. Kg4 a5 43. h3 Rxh3 44. Kxh3 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Bowersock, Michael"]
[Black "Thompson, Buddy"]
[Result "1-0"]
[WhiteElo "2064"]
[BlackElo "1877"]
[ECO "D35"]
[Opening "QGD"]
[Variation "exchange, positional line"]
[WhiteFideId "2045320"]
[BlackFideId "2047772"]
[EventDate "2011.07.30"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 c6 8. Qc2
Nbd7 9. Nf3 Re8 10. O-O Nf8 11. h3 Ng6 12. Bxf6 Bxf6 13. b4 Be6 14. b5 cxb5 15.
Nxb5 Rc8 16. Qb3 a6 17. Nc3 Qd7 18. Rfc1 Rc6 19. Ne2 Bxh3 20. gxh3 Qxh3 21. Rxc6
Qxf3 22. Rxf6 Qg4+ 23. Ng3 Nh4 24. Rf4 Nf3+ 25. Rxf3 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Helfst, Matt D"]
[Black "Coyle, Kevin"]
[Result "0-1"]
[WhiteElo "1971"]
[ECO "D16"]
[Opening "QGD Slav accepted"]
[Variation "Alapin variation"]
[WhiteFideId "2044102"]
[EventDate "2011.07.30"]

1. c4 Nf6 2. Nf3 c6 3. Nc3 d5 4. d4 dxc4 5. a4 Be6 6. e4 g6 7. Bf4 Bg7 8. Be2
Na6 9. O-O Nc7 10. Ng5 O-O 11. Bxc7 Qxc7 12. Nxe6 fxe6 13. Bxc4 Kh8 14. Bxe6
Rad8 15. e5 Nd5 16. Ne4 Nf4 17. Ng5 Bxe5 18. Nf7+ Rxf7 19. Bxf7 Rxd4 20. Qb3
Ne2+ 21. Kh1 Bxh2 22. Qh3 Kg7 23. Bxg6 hxg6 24. Qxh2 Qxh2+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Koretsky, Peter"]
[Black "Strenzwilk, Denis"]
[Result "1/2-1/2"]
[BlackElo "2026"]
[ECO "A20"]
[Opening "English opening"]
[BlackFideId "2006677"]
[EventDate "2011.07.30"]

1. c4 e5 2. g3 d6 3. Bg2 f5 4. e3 Nf6 5. Nc3 Be7 6. Nge2 O-O 7. O-O Na6 8. d4 c6
9. Rb1 Nc7 10. b4 Qe8 11. b5 Kh8 12. Ba3 a6 13. bxc6 bxc6 14. dxe5 dxe5 15. Bd6
Ra7 16. Bxe5 Ng4 17. Bxg7+ Kxg7 18. Qd4+ Kg8 19. Qxa7 Ne6 20. Nd4 Bc5 21. Qb8
Nxd4 22. exd4 Bxd4 23. Qb3 Qe5 24. h3 Bxc3 25. hxg4 fxg4 26. Bxc6 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Ramirez, Alejandro"]
[Black "Brown, Michael William"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2592"]
[BlackElo "2121"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack (Barcza system)"]
[WhiteFideId "6500617"]
[BlackFideId "2037602"]
[EventDate "2011.07.30"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. d3 Be7 6. Nbd2 h6 7. Qe1 O-O 8. e4
Bh7 9. Qe2 c5 10. Re1 Nc6 11. e5 Nd7 12. Nf1 Qc7 13. c3 Rab8 14. h4 b5 15. Bf4
b4 16. Ne3 Nb6 17. Ng4 Kh8 18. Qd2 bxc3 19. bxc3 Na4 20. Bxh6 gxh6 21. Qxh6 Rg8
22. Nf6 Bxf6 23. exf6 Rg6 24. Qh5 Qd8 25. Ng5 Qg8 26. c4 Nb6 27. cxd5 exd5 28.
a4 a5 29. Rab1 Nb4 30. Nxf7+ Qxf7 31. Re7 Qxe7 32. fxe7 Re6 33. Qf7 Bg8 34. Qf8
Nd7 35. Qd8 Rxe7 36. Qxe7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Lenderman, Aleksandr"]
[Black "Greanias, Steve"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2525"]
[BlackElo "2146"]
[ECO "D80"]
[Opening "Gruenfeld defence"]
[WhiteFideId "2021285"]
[BlackFideId "2006987"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Qb3 dxc4 6. Bxc4 O-O 7. Nf3 Nc6 8. Be2
Nd7 9. d5 Nce5 10. Nd4 c5 11. dxc6 Nxc6 12. Nxc6 bxc6 13. O-O Nb6 14. Rd1 Qc7
15. Qc2 Bb7 16. Ne4 Rad8 17. Bd2 Nd5 18. Nc5 Bc8 19. Rab1 Rd6 20. Bf1 Rfd8 21.
e4 Nb6 22. Bf4 e5 23. Be3 Rxd1 24. Rxd1 Rxd1 25. Qxd1 Bf8 26. Qd2 Nd7 27. Qc3
Nxc5 28. Bxc5 Bxc5 29. Qxc5 Be6 30. a3 Kg7 31. b4 Kf6 32. Bb5 Bd7 33. Ba4 Ke6
34. Bb3+ Kf6 35. h4 h5 36. Bd5 Be8 37. b5 Qe7 38. Qxe7+ Kxe7 39. bxc6 Kd6 40. f3
f6 41. Kf2 g5 42. g3 gxh4 43. gxh4 f5 44. Ke3 fxe4 45. Bxe4 a5 46. f4 exf4+ 47.
Kxf4 Bxc6 48. Bxc6 Kxc6 49. Kg5 Kb5 50. Kxh5 Ka4 51. Kg6 Kxa3 52. h5 Kb2 53. h6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Mulyar, Michael A."]
[Black "Gurczak, John"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2410"]
[BlackElo "2114"]
[ECO "E04"]
[Opening "Catalan"]
[Variation "open, 5.Nf3"]
[WhiteFideId "2008742"]
[BlackFideId "2042096"]
[EventDate "2011.07.30"]

1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. d4 dxc4 5. Bg2 b5 6. a4 c6 7. Ne5 Nd5 8. Nc3 f6
9. Nf3 b4 10. Ne4 a5 11. O-O Nd7 12. Bh3 Qe7 13. Ned2 Ba6 14. e4 N5b6 15. Re1
Qf7 16. Nf1 Be7 17. Be3 Bb7 18. N1d2 c3 19. bxc3 bxc3 20. Nb1 Bb4 21. Qc2 O-O
22. Nxc3 Kh8 23. Rec1 Qh5 24. Bg2 c5 25. Ne2 cxd4 26. Nfxd4 Rfc8 27. Qa2 e5 28.
Nb5 Ba6 29. Bf1 Bxb5 30. axb5 Qe8 31. Bh3 Rxc1+ 32. Rxc1 Rb8 33. Rc6 Qd8 34. Nc3
Nf8 35. Bxb6 Rxb6 36. Rc8 Qxc8 37. Bxc8 Bxc3 38. Qf7 Bb4 39. Ba6 Bc5 40. Qc7 Bd4
41. Bb7 Rxb5 42. Qf7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Chiang, Michael"]
[Black "Sarkar, Justin"]
[Result "1/2-1/2"]
[BlackTitle "IM"]
[WhiteElo "2062"]
[BlackElo "2376"]
[ECO "B80"]
[Opening "Sicilian"]
[Variation "Scheveningen variation"]
[WhiteFideId "2006405"]
[BlackFideId "2010011"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. Be2 Nbd7 8. f4
Nc5 9. Bf3 e5 10. Nde2 exf4 11. Nxf4 Be7 12. O-O O-O 13. Nfd5 Nxd5 14. Nxd5 Be6
15. Nxe7+ Qxe7 16. Qd4 Nd7 17. Bf4 Ne5 18. Bxe5 dxe5 19. Qxe5 Rfd8 20. Rad1 Rxd1
21. Rxd1 Rd8 22. Rd3 g6 23. a3 Rc8 24. Rc3 Rxc3 25. Qxc3 Qg5 26. e5 Qc1+ 27. Kf2
b6 28. h3 h5 29. Kg3 h4+ 30. Kh2 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Dougherty, Colin T"]
[Black "Berisha, Enver"]
[Result "1-0"]
[ECO "D30"]
[Opening "QGD"]
[BlackFideId "3600122"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Be7 5. e3 Nbd7 6. Nc3 b6 7. cxd5 exd5 8. Bd3
Bb7 9. O-O O-O 10. Qc2 h6 11. Bh4 a6 12. Rac1 b5 13. Rfd1 Nb6 14. b3 Nbd7 15.
Qe2 Re8 16. Bb1 Rc8 17. h3 Bd6 18. Qd3 g5 19. Bg3 Bxg3 20. fxg3 Ne4 21. Nd2 Ndf6
22. Ndxe4 dxe4 23. Qf1 Qd6 24. Qf2 Rcd8 25. Rf1 Kg7 26. Ne2 Re7 27. g4 Bc8 28.
Ng3 Ng8 29. Rc5 f6 30. b4 Rde8 31. a3 Qd8 32. Ba2 Be6 33. Nf5+ Bxf5 34. Rxf5 Rf8
35. Bxg8 Kxg8 36. Rxf6 Ree8 37. Qf5 Rxf6 38. Qxf6 Qxf6 39. Rxf6 Ra8 40. Rxh6 a5
41. Rg6+ Kf7 42. Rxg5 axb4 43. axb4 c6 44. Rc5 Ra4 45. Rxc6 Rxb4 46. Rb6 Rb2 47.
Kf1 Ke7 48. g5 b4 49. h4 b3 50. h5 Rb1+ 51. Kf2 Rh1 52. h6 Rh5 53. Rxb3 Rxg5 54.
Rb8 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Holroyd, Kenneth J"]
[Black "Dixon, Blake W"]
[Result "1-0"]
[WhiteElo "2099"]
[ECO "D95"]
[Opening "Gruenfeld"]
[Variation "Botvinnik variation"]
[WhiteFideId "2050064"]
[BlackFideId "2051214"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Qb3 e6 6. Nf3 O-O 7. Be2 b6 8. cxd5
exd5 9. O-O Ne4 10. Rd1 Be6 11. Qc2 f5 12. Bd2 Nd7 13. Rac1 c5 14. dxc5 Ndxc5
15. Be1 Rc8 16. Nxd5 Na4 17. Qxa4 Rxc1 18. Rxc1 Bxd5 19. Rd1 Qa8 20. Rxd5 Nc5
21. Qc4 Kh8 22. Bc3 f4 23. Bxg7+ Kxg7 24. b4 Nb7 25. Rd7+ Kh6 26. Qc7 g5 27.
Rxh7+ Kg6 28. Bd3+ Kf6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Sadorra, Julio Catalino"]
[Black "Dunn, Dennis K"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2495"]
[ECO "D85"]
[Opening "Gruenfeld"]
[Variation "exchange variation"]
[WhiteFideId "5201268"]
[BlackFideId "2050625"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 O-O 8.
Qd2 c5 9. Nf3 Nc6 10. d5 Qa5 11. Rc1 Ne5 12. Nxe5 Bxe5 13. Be2 Bd7 14. h4 Rac8
15. h5 b5 16. f4 Bh8 17. Kf2 e5 18. f5 Qd8 19. g4 Be8 20. Bh6 Bf6 21. g5 Bg7 22.
Bxg7 Kxg7 23. f6+ Kg8 24. d6 Rc6 25. Rcd1 Bd7 26. hxg6 fxg6 27. Qd5+ Rf7 28.
Rxh7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Esserman, Marc"]
[Black "Zepeda, Lorena"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "WIM"]
[WhiteElo "2453"]
[BlackElo "2187"]
[ECO "A48"]
[Opening "King's Indian"]
[Variation "East Indian defence"]
[WhiteFideId "2018616"]
[BlackFideId "6700233"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Be2 d6 5. O-O O-O 6. b3 Ne4 7. Bb2 Nd7 8. c4 c6
9. Qc2 d5 10. cxd5 cxd5 11. Nc3 Nxc3 12. Qxc3 Nf6 13. Rac1 Ne8 14. Ba3 Bf6 15.
Ne5 h5 16. Nd3 Bd7 17. Qc5 Be6 18. Nf4 Ng7 19. Bf3 b6 20. Qc6 Rc8 21. Qb7 Rb8
22. Qc7 Bg5 23. Nxe6 fxe6 24. Qg3 Rf5 25. Be2 Bf6 26. Bd3 Rg5 27. Qc7 e5 28.
dxe5 Rxe5 29. Bxg6 Qf8 30. Bb2 Re6 31. Bxf6 Rxf6 32. Bb1 Ne6 33. Qe5 Rd8 34.
Qxh5 Qg7 35. Bf5 Ng5 36. Qg4 Rdf8 37. Bd3 e5 38. h4 e4 39. Qxg5 exd3 40. Qxg7+
Kxg7 41. Rcd1 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Dommalapati, Abhinay"]
[Black "Berry, Jim"]
[Result "0-1"]
[BlackTitle "NCM"]
[ECO "D85"]
[Opening "Gruenfeld"]
[Variation "modern exchange variation"]
[WhiteFideId "2049023"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 O-O 8.
Be3 c5 9. Rc1 Nc6 10. Be2 Bg4 11. d5 Bxf3 12. Bxf3 Ne5 13. O-O Qa5 14. c4 Rac8
15. Be2 Rfd8 16. Qb3 Qc7 17. Bf4 Qd7 18. Qg3 Qd6 19. Bg4 Rb8 20. Rfd1 a6 21. Bh3
b5 22. cxb5 axb5 23. Qa3 Ra8 24. Qxc5 Nf3+ 25. gxf3 Qxf4 26. Qxe7 Bf8 27. Qb7
Rxa2 28. Qc7 Qxf3 29. Rf1 Qf6 30. Qg3 Bd6 31. Qg4 Qe5 32. Qg2 b4 33. Rb1 Rda8
34. Qg3 Qf6 35. f4 Qd4+ 36. Rf2 Qxe4 37. Qb3 Bc5 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Unruh, Harrison"]
[Black "Hoang, Truman"]
[Result "1/2-1/2"]
[ECO "E62"]
[Opening "King's Indian"]
[Variation "fianchetto, lesser Simagin (Spassky) variation"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nc6 7. Nc3 Bf5 8. Re1
Ne4 9. e3 Nxc3 10. bxc3 e5 11. e4 Bd7 12. d5 Ne7 13. Be3 f5 14. c5 fxe4 15. Ng5
Nf5 16. Nxe4 Nxe3 17. fxe3 Bf5 18. cxd6 cxd6 19. g4 Bxe4 20. Bxe4 Rc8 21. Rb1
Qd7 22. h3 Rxc3 23. Qd2 Rcc8 24. Qb4 b6 25. Rbc1 Rcd8 26. Rc6 Qe7 27. Re2 Qf6
28. Qe1 Bh6 29. Rc7 a5 30. Rf2 Qg5 31. Re2 Bg7 32. Qg3 h5 33. Rb7 h4 34. Qe1 Rb8
35. Rxb8 Rxb8 36. Rc2 Bh6 37. Rc3 b5 38. Rd3 b4 39. Qc1 Qf6 40. Qf1 Qxf1+ 41.
Kxf1 a4 42. Bxg6 b3 43. axb3 axb3 44. Ke2 e4 45. Bxe4 Bg7 46. Rd1 b2 47. Bd3 Be5
48. e4 Rc8 49. Kd2 Rc1 50. Ke2 Rxd1 51. Kxd1 Kg7 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Xu, Grant Y"]
[Black "Tomaino, Paul B"]
[Result "1-0"]
[WhiteElo "2123"]
[ECO "C00"]
[Opening "French"]
[Variation "King's Indian attack"]
[WhiteFideId "2052318"]
[EventDate "2011.07.30"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 dxe4 5. dxe4 Bc5 6. Bc4 Nfd7 7. O-O Nb6 8.
Qe2 N8d7 9. Rd1 O-O 10. Nb3 Be7 11. Bf4 c6 12. Rd2 Na4 13. c3 b5 14. Bd3 Qb6 15.
e5 a6 16. Rad1 Qc7 17. Qe4 g6 18. Bh6 Nac5 19. Nxc5 Nxc5 20. Qf4 Rd8 21. h4 Bb7
22. h5 Rxd3 23. Rxd3 Nxd3 24. Rxd3 Rd8 25. Ng5 Bxg5 26. Qxg5 f6 27. Qxf6 Rxd3
28. Qf8# 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Viswanadha, Kesav"]
[Black "Shabalov, Alexander"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "1919"]
[BlackElo "2577"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf"]
[WhiteFideId "2059533"]
[BlackFideId "2008572"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3
h5 9. Qd2 Nbd7 10. O-O-O Rc8 11. Kb1 Be7 12. h3 h4 13. f4 b5 14. f5 Bc4 15. Bd3
Qc7 16. Rhg1 b4 17. Ne2 a5 18. g4 hxg3 19. Rxg3 Bf8 20. Nbc1 Qb7 21. b3 Bb5 22.
Bxb5 Qxb5 23. Qd3 Qc6 24. Bg1 Nxe4 25. Re3 Ndf6 26. Re1 d5 27. Ng3 Nc3+ 28. Kb2
e4 29. Qd2 Bd6 30. Nge2 Be5 31. Nd4 Nb5 32. Ne2 Bxd4+ 33. Nxd4 Qc3+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Gunawan, Cheston"]
[Black "Berry, Frank K"]
[Result "1-0"]
[WhiteElo "1936"]
[BlackElo "1900"]
[ECO "C58"]
[Opening "Two knights defence"]
[WhiteFideId "2015161"]
[BlackFideId "2021633"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8.
Bd3 h6 9. Ne4 Be7 10. O-O O-O 11. Ng3 c5 12. Re1 c4 13. Bf5 Nc6 14. Bxc8 Rxc8
15. Nc3 Qb6 16. Nh5 Rfd8 17. Nxf6+ Bxf6 18. b3 cxb3 19. axb3 e4 20. Bb2 Qb7 21.
Rxe4 Nb4 22. Rc4 Rxc4 23. bxc4 Nc6 24. Rb1 Na5 25. Ba1 Qc6 26. Nd5 Kf8 27. Nxf6
gxf6 28. Qh5 f5 29. d3 Qe6 30. h3 Nc6 31. Bc3 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Strickland, Wayne C"]
[Black "Regam, Jessica"]
[Result "0-1"]
[BlackElo "1819"]
[ECO "E60"]
[Opening "King's Indian, 3.Nf3"]
[WhiteFideId "2050099"]
[BlackFideId "2033496"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. Bf4 d6 6. e3 Nfd7 7. h3 e5 8. dxe5
dxe5 9. Bh2 Nc6 10. Be2 Kh8 11. O-O f5 12. Qd2 g5 13. Rad1 e4 14. Ne1 Nce5 15.
Nc2 c6 16. c5 Qe8 17. b4 Qg6 18. Nb1 a5 19. a3 axb4 20. axb4 f4 21. exf4 gxf4
22. Bxf4 Nf3+ 23. Bxf3 exf3 24. g3 Ra2 25. Rc1 Qf5 26. Ne3 Qe6 27. Qd1 Ne5 28.
Qd6 Qe8 29. h4 Ng6 30. Rc4 b5 31. cxb6 Ba6 32. Rxc6 Rf6 33. Qd5 Rxc6 34. Qxa2
Rxb6 35. Rc1 Nxf4 36. gxf4 Bd4 37. Kh2 Qh5 38. Qd5 Qxh4+ 39. Kg1 Rg6+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Tyagi, Kushan"]
[Black "Cao, Alvin"]
[Result "1-0"]
[WhiteElo "2113"]
[ECO "D31"]
[Opening "QGD"]
[Variation "Charousek (Petrosian) variation"]
[WhiteFideId "2040069"]
[BlackFideId "2056151"]
[EventDate "2011.07.30"]

1. c4 e6 2. d4 d5 3. Nc3 Be7 4. Nf3 Nf6 5. cxd5 exd5 6. Bg5 O-O 7. e3 c6 8. Qc2
h6 9. Bh4 Be6 10. Bd3 Nbd7 11. O-O Rc8 12. Rac1 Ne8 13. Bg3 Nd6 14. Ne5 Nxe5 15.
dxe5 Ne8 16. f4 Bc5 17. Qe2 d4 18. exd4 Bxd4+ 19. Kh1 Nc7 20. Qe4 f5 21. exf6
Qxf6 22. Qh7+ Kf7 23. f5 Bd7 24. Ne4 Qd8 25. Nd6+ Ke7 26. Rce1+ Kf6 27. Qg6# 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Shvartsman, Andrew Nathaniel"]
[Black "Serna, Jeffrey M"]
[Result "1/2-1/2"]
[WhiteTitle "CM"]
[WhiteElo "2209"]
[ECO "C63"]
[Opening "Ruy Lopez"]
[Variation "Schliemann defence, Berger variation"]
[WhiteFideId "2006111"]
[BlackFideId "2068591"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 Nf6 5. d3 Bb4 6. O-O Bxc3 7. bxc3 O-O 8.
exf5 d6 9. Bc4+ d5 10. Bb5 Qd6 11. a4 Ne7 12. Ba3 Qd8 13. d4 e4 14. Ne5 c6 15.
Be2 Bxf5 16. c4 Nd7 17. cxd5 cxd5 18. c4 Nxe5 19. dxe5 Re8 20. Rb1 b6 21. cxd5
Nxd5 22. Bb5 Nf4 23. Qb3+ Kh8 24. Rbd1 Nd3 25. Bxe8 Qxe8 26. Bd6 Qg6 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Battaglini, Gabriel"]
[Black "Hughes, John L"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2407"]
[BlackElo "2049"]
[ECO "D34"]
[Opening "QGD"]
[Variation "Tarrasch, Prague variation, 9.Bg5"]
[WhiteFideId "621650"]
[BlackFideId "2046105"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O
O-O 9. Bg5 c4 10. Ne5 Be6 11. Nxc6 bxc6 12. Qc2 Qb6 13. Rfd1 Rfd8 14. b3 cxb3
15. axb3 Rab8 16. Rab1 h6 17. Bf4 Rb7 18. Na4 Qb5 19. Nc5 Bxc5 20. dxc5 a5 21.
e3 Qa6 22. Rd4 Qa7 23. Be5 Rb5 24. Rc1 Qb7 25. Bxf6 gxf6 26. Rh4 Kg7 27. Qd2 Rh8
28. e4 dxe4 29. Bxe4 Rxb3 30. Qxa5 Qd7 31. Qa1 Qb7 32. Rf4 Rb2 33. Bxc6 Qb8 34.
Rxf6 Qe5 35. Rf4 Rhb8 36. Bg2 Kg8 37. c6 Qc7 38. Re1 Qb6 39. h4 Rd8 40. Qa3 Rdd2
41. Rxe6 Rxf2 42. Re8+ Kh7 43. Be4+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Finney, Stuart"]
[Black "Van Wely, Loek"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2162"]
[BlackElo "2683"]
[ECO "B43"]
[Opening "Sicilian"]
[Variation "Kan, 5.Nc3"]
[WhiteFideId "2029286"]
[BlackFideId "1000268"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Bc5 7. Nb3 Be7 8. O-O
d6 9. a4 b6 10. f4 Nd7 11. Kh1 Ngf6 12. Qe2 Bb7 13. Bd2 O-O 14. Rae1 g6 15. Nd1
Nc5 16. Nxc5 bxc5 17. e5 Nd7 18. Nf2 Qc6 19. Be4 d5 20. Bf3 Qxa4 21. c4 Qb3 22.
f5 gxf5 23. g4 Nxe5 24. Bg2 Ng6 25. gxf5 exf5 26. Qh5 d4 27. Rg1 Bxg2+ 28. Rxg2
Qb7 29. Nh3 Rfe8 30. Rg1 Bf6 31. Nf4 Bg7 32. Nd5 Re5 33. Bh6 Rae8 34. Qg5 Rxd5
35. cxd5 Qxd5 36. h4 Re3 37. Rf1 f6 38. Qh5 Rg3 39. Rf2 d3 40. Bxg7 Rxg2 41.
Rxg2 Qxg2+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Gater, Daniel"]
[Black "Barnett, Alexander"]
[Result "0-1"]
[WhiteElo "2136"]
[BlackElo "2254"]
[ECO "E00"]
[Opening "Catalan opening"]
[WhiteFideId "2050374"]
[BlackFideId "2019906"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 Nc6 6. Nf3 O-O 7. O-O Bxd2 8.
Qxd2 d6 9. Nc3 e5 10. d5 Nb8 11. b4 a5 12. a3 Na6 13. Rab1 axb4 14. axb4 Nd7 15.
Nb5 f5 16. c5 Nf6 17. cxd6 cxd6 18. Ng5 h6 19. Ne6 Bxe6 20. dxe6 d5 21. Nc3 Nc7
22. Qc2 Qxe6 23. Na4 Qc6 24. Qxc6 bxc6 25. Nc5 Rfb8 26. Nd3 Nd7 27. Rfc1 Rb6 28.
b5 Rxb5 29. Rxb5 Nxb5 30. Rxc6 Ra1+ 31. Bf1 e4 32. Nf4 d4 33. Kg2 Kf7 34. Ng6
Ra2 35. Kg1 d3 36. exd3 Nd4 37. Rd6 Nf3+ 38. Kg2 Ne1+ 39. Kg1 e3 40. Nh4 Ne5 41.
Bg2 Nxg2 42. Kxg2 e2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Young, Steven D"]
[Black "Thompson, Nick"]
[Result "0-1"]
[WhiteElo "1907"]
[BlackElo "2012"]
[ECO "A61"]
[Opening "Benoni defence"]
[WhiteFideId "2025965"]
[BlackFideId "2060310"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. h3 Bg7 8. Bf4
O-O 9. e3 b6 10. Nd2 Ba6 11. Bxa6 Nxa6 12. Nc4 Ne8 13. Qa4 Nb4 14. Qd1 Qd7 15.
a3 Na6 16. a4 Nac7 17. O-O f5 18. Qb3 Kh8 19. Rfd1 Rb8 20. Nb5 a6 21. Nbxd6 b5
22. axb5 axb5 23. Ne5 Qxd6 24. Nc6 Qf6 25. Nxb8 c4 26. Qb4 Qxb2 27. Qe7 Nxd5 28.
Rxd5 Qxa1+ 29. Kh2 Qf6 30. Qb7 c3 31. Qxb5 Qe6 32. Nd7 Nf6 33. Rd6 Qe8 34. Qc6
Nxd7 35. Qxd7 Qxd7 36. Rxd7 Rc8 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Jiang, Austin"]
[Black "Muradian, Sevan A"]
[Result "1-0"]
[BlackElo "1891"]
[ECO "D08"]
[Opening "QGD"]
[Variation "Albin counter-gambit, Lasker trap"]
[WhiteFideId "2047659"]
[BlackFideId "2039010"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. e3 Bb4+ 5. Bd2 dxe3 6. fxe3 Bxd2+ 7. Nxd2 Nc6 8.
Ngf3 Bg4 9. Be2 Nge7 10. O-O Qd7 11. Qb3 O-O-O 12. Ne4 Na5 13. Qc3 Nac6 14. b4
Bxf3 15. Bxf3 Qd3 16. Qxd3 Rxd3 17. Nc5 Rxe3 18. Bg4+ Kb8 19. Rxf7 Nxe5 20. Rxe7
Nxg4 21. Rxg7 Ne5 22. Rd1 Kc8 23. Ne6 Re8 24. Rxc7+ Kb8 25. Rxh7 b6 26. c5 Nd3
27. Rd7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Vibbert, Sean"]
[Black "Gurevich, Dmitry"]
[Result "1/2-1/2"]
[BlackTitle "GM"]
[WhiteElo "2159"]
[BlackElo "2479"]
[ECO "B64"]
[Opening "Sicilian"]
[Variation "Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f4"]
[WhiteFideId "2030292"]
[BlackFideId "2000407"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8.
O-O-O O-O 9. f4 h6 10. h4 Nxd4 11. Qxd4 hxg5 12. hxg5 Ng4 13. Be2 e5 14. Qg1
exf4 15. Bxg4 Bxg5 16. Bf3 Re8 17. Qh2 Bh6 18. Kb1 Re5 19. Nd5 Bd7 20. Nxf4 Bc6
21. Nd3 Re6 22. Nf4 Re5 23. Nd3 Re6 24. Nf4 Re8 25. Nh5 Re6 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Banerjee, Abhimanyu"]
[Black "Kammerdiner, Jason"]
[Result "1-0"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "Grand Prix attack"]
[BlackFideId "2068753"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. Bc4 e6 7. e5 d5 8. Be2 a6
9. a4 Ne7 10. Nxd4 cxd4 11. Nb1 f6 12. exf6 Bxf6 13. O-O O-O 14. d3 Nf5 15. Bg4
Ne3 16. Bxe3 dxe3 17. d4 Qb6 18. c3 Qxb2 19. Ra3 Qb6 20. Qe2 Be7 21. Ra2 Bd6 22.
g3 Bd7 23. Qxe3 Rae8 24. Bf3 Qb3 25. Qd2 b5 26. Be2 bxa4 27. Rb2 a5 28. Rxb3
axb3 29. Qb2 Rb8 30. Na3 a4 31. Re1 Rfc8 32. c4 Bxa3 33. Qxa3 dxc4 34. Qd6 Rb7
35. Bf3 Rbc7 36. d5 c3 37. dxe6 Be8 38. e7 h5 39. Bd5+ Kh7 40. Qe6 Bb5 41. Qf7+
Kh6 42. Qf8+ Rxf8 43. exf8=Q+ Kh7 44. Bg8+ Kh8 45. Bf7+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Vazquez Maccarini, Danitza"]
[Black "Kutikoff, Adam"]
[Result "0-1"]
[WhiteTitle "WFM"]
[WhiteElo "1785"]
[ECO "C66"]
[Opening "Ruy Lopez"]
[Variation "Berlin defence, 4.O-O, d6"]
[WhiteFideId "3101193"]
[BlackFideId "2054337"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. Re1 a6 6. Ba4 b5 7. Bb3 Bg4 8. c3
Be7 9. d3 O-O 10. Nbd2 Na5 11. Bc2 Nd7 12. Nf1 f5 13. d4 Kh8 14. exf5 exd4 15.
cxd4 Bxf5 16. Bxf5 Rxf5 17. Ne3 Rf8 18. Nd5 Bf6 19. Nxf6 Nxf6 20. Ng5 Qd7 21.
Ne6 Rf7 22. Bg5 Nc4 23. b3 Nb6 24. Rc1 Nbd5 25. Qf3 c6 26. Qh3 Kg8 27. Nf4 Nxf4
28. Bxf4 Qxh3 29. gxh3 Ne8 30. Bg3 Rc8 31. Re6 Rd7 32. b4 Kf7 33. Re2 Re7 34.
Rxe7+ Kxe7 35. Bh4+ Ke6 36. Kf1 Kd5 37. Rd1 Nc7 38. f3 Ne6 39. Bf2 Rf8 40. Kg2
Nf4+ 41. Kg3 Ne2+ 42. Kg2 Rf6 43. Bg3 Nxd4 44. Bf2 c5 45. Bxd4 cxd4 46. Kf2 Re6
47. Kg2 Re2+ 48. Kg3 Rxa2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.03"]
[Round "3"]
[White "Singh, Kanishk"]
[Black "Riegelhaupt, Cory"]
[Result "0-1"]
[ECO "C50"]
[Opening "Giuoco Pianissimo"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. O-O Bg4 6. h3 Bh5 7. c3 Nf6 8. Nbd2
h6 9. Re1 O-O 10. Nf1 Re8 11. Ng3 Bg6 12. Be3 Bb6 13. Nh4 Bh7 14. Nhf5 Ne7 15.
Qf3 Nxf5 16. Nxf5 Bxf5 17. Qxf5 Qd7 18. Qxd7 Nxd7 19. Rad1 Nf6 20. Bb3 Rad8 21.
f3 d5 22. Bxb6 axb6 23. exd5 Nxd5 24. Bxd5 Rxd5 25. d4 Red8 26. Rc1 exd4 27.
cxd4 R8d7 28. Re8+ Kh7 29. Rc4 b5 30. Rb4 c6 31. Rb8 Kg6 32. Kf1 Rxd4 33. Rxd4
Rxd4 34. Rxb7 Rd1+ 35. Ke2 Rb1 36. Rd7 Rxb2+ 37. Kf1 c5 38. Rd6+ f6 39. Rd5 c4
40. Rc5 Rxa2 41. Rxb5 c3 42. Rb1 Rd2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Van Wely, Loek"]
[Black "Battaglini, Gabriel"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2683"]
[BlackElo "2407"]
[ECO "D38"]
[Opening "QGD"]
[Variation "Ragozin variation"]
[WhiteFideId "1000268"]
[BlackFideId "621650"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 Nbd7 7. Qc2 c5 8. a3
Bxc3+ 9. Qxc3 h6 10. Bxf6 Qxf6 11. e3 O-O 12. Bb5 b6 13. O-O a6 14. Be2 Bb7 15.
Rfc1 c4 16. a4 b5 17. b3 Rfe8 18. Nd2 Qd6 19. bxc4 bxc4 20. e4 dxe4 21. Nxc4 Qe6
22. Rab1 Rab8 23. Ne3 Rec8 24. Bc4 Qe7 25. Rxb7 Rxb7 26. Bxf7+ Qxf7 27. Qxc8+
Nf8 28. Qc2 Qg6 29. h3 Kh7 30. Qc8 Rf7 31. Rc6 Qg5 32. Rxa6 Qf4 33. Qc2 Rd7 34.
d5 Ng6 35. g3 Qf3 36. Rxg6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Gu, Christopher"]
[Black "Mulyar, Michael A."]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "2222"]
[BlackElo "2410"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "4.e3"]
[WhiteFideId "2059460"]
[BlackFideId "2008742"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Bd6 6. Bd3 b6 7. O-O Bb7 8. Bb2 O-O
9. Nbd2 c5 10. cxd5 exd5 11. Ne5 Nc6 12. f4 cxd4 13. exd4 Nb4 14. Bb1 Ne4 15. a3
Na6 16. Nxe4 dxe4 17. Qe2 Bxe5 18. fxe5 Qd5 19. Qe3 Nc7 20. Rf4 Qe6 21. Rxe4
Bxe4 22. Bxe4 Rad8 23. Qd3 h6 24. Rd1 Nd5 25. a4 a5 26. Ba3 Nb4 27. Qf3 f5 28.
Bb1 Rf7 29. Qf4 Qxb3 30. Qf3 Qxf3 31. gxf3 Re7 32. f4 g5 33. d5 gxf4 34. Bb2 Kf7
35. d6 Ke6 36. Bc3 Rg7+ 37. Kh1 f3 38. Bd4 Rg4 39. Bxb6 Rd7 40. Re1 Nd5 41. Bf2
Rxa4 42. h3 Nf4 43. Bc2 Rb4 44. Re3 Nxh3 45. Bg3 f4 46. Rxf3 Kxe5 47. Be1 Ng5
48. Bc3+ Ke6 49. Rf2 Rb5 50. Rxf4 Rxd6 51. Ba4 Rc5 52. Bg7 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Mandelkern, Jeremy L"]
[Black "Shvartsman, Andrew Nathaniel"]
[Result "0-1"]
[BlackTitle "CM"]
[WhiteElo "2072"]
[BlackElo "2209"]
[ECO "E62"]
[Opening "King's Indian"]
[Variation "fianchetto, Uhlmann (Szabo) variation"]
[WhiteFideId "2006006"]
[BlackFideId "2006111"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 e5 8. d5 Ne7
9. e4 c6 10. Ne1 cxd5 11. cxd5 Ne8 12. Qb3 f5 13. Nd3 b5 14. Qxb5 a5 15. Qb3 Ba6
16. Rd1 Rb8 17. Qc2 Nf6 18. Rb1 Rc8 19. Qe2 Ng4 20. Be3 Nxe3 21. Qxe3 fxe4 22.
Nxe4 Nxd5 23. Qd2 Ne7 24. b4 Bc4 25. bxa5 Nf5 26. Rb6 d5 27. Nec5 Nd4 28. Nb7
Qc7 29. Nd6 Rcd8 30. Qb4 Nc6 31. Rxc6 Qxc6 32. Nxc4 Qxc4 33. Qxc4 dxc4 34. Nb2
c3 35. Nd3 c2 36. Rc1 Rxd3 37. Rxc2 Rd1+ 38. Bf1 Kh8 39. a6 e4 40. Kg2 Bd4 41.
Bb5 Rf7 42. a4 Kg7 43. Re2 Re7 44. Bc6 Ba7 45. h4 h5 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Zepeda, Lorena"]
[Black "Meduri, Aakaash"]
[Result "1-0"]
[WhiteTitle "WIM"]
[WhiteElo "2187"]
[BlackElo "2068"]
[ECO "B78"]
[Opening "Sicilian"]
[Variation "dragon, Yugoslav attack, 10.O-O-O"]
[WhiteFideId "6700233"]
[BlackFideId "2032252"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2
Nc6 9. Bc4 Bd7 10. O-O-O Rc8 11. Bb3 Ne5 12. h4 h5 13. Bg5 Rc5 14. Kb1 b5 15. g4
hxg4 16. h5 Nxh5 17. Rxh5 gxh5 18. Qh2 gxf3 19. Qxh5 Bg4 20. Qh4 Re8 21. Rh1 Qb6
22. Qh7+ Kf8 23. Bh6 e6 24. Bxg7+ Ke7 25. Nxe6 Rxc3 26. bxc3 Bxe6 27. Bxe6 b4
28. Bxe5 Kxe6 29. Qf5+ Ke7 30. Bf6+ Kf8 31. Rh8# 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Gurczak, John"]
[Black "Abrahams, Steven L"]
[Result "0-1"]
[WhiteElo "2114"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "4.e3"]
[WhiteFideId "2042096"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4 5. Qb3 Qb6 6. Nc3 Qxb3 7. axb3 Nbd7 8.
Be2 e6 9. c5 Bxf3 10. gxf3 e5 11. O-O g6 12. b4 Bg7 13. b5 O-O 14. b4 Ne8 15.
Rd1 Nc7 16. bxc6 bxc6 17. b5 cxb5 18. Nxb5 Ne6 19. Ra4 a6 20. Nc3 exd4 21. exd4
Ndxc5 22. dxc5 Bxc3 23. Rxd5 a5 24. Ba3 Rfb8 25. Bc4 Rb1+ 26. Bf1 Ra1 27. c6 Bb4
28. Rxb4 axb4 29. Bxb4 Rc8 30. Bc5 Rxc6 31. Be3 Rc4 32. Rb5 Nf4 33. Rb8+ Kg7 34.
Rd8 h5 35. Rd2 Rb4 36. Bc5 Rxf1+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Sanders, Lewis Franklin"]
[Black "Bowersock, Michael"]
[Result "0-1"]
[BlackElo "2064"]
[ECO "E12"]
[Opening "Queen's Indian"]
[Variation "4.Nc3"]
[BlackFideId "2045320"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. a3 Bxc3+ 6. bxc3 Bb7 7. Bg5 h6 8. Bh4
g5 9. Bg3 Ne4 10. Qd3 d6 11. d5 Nxg3 12. hxg3 Qf6 13. e4 e5 14. Be2 Nd7 15. Nh2
Nc5 16. Qe3 Qg6 17. Bd3 Bc8 18. g4 h5 19. O-O-O Bd7 20. gxh5 Rxh5 21. Nf3 f6 22.
Bc2 O-O-O 23. Nd2 Rdh8 24. Rhg1 g4 25. Kb2 f5 26. f4 Re8 27. exf5 Bxf5 28. Bxf5+
Rxf5 29. fxe5 Rexe5 30. Qg3 Rf2 31. Rgf1 Ne4 32. Qd3 Rxg2 33. Ka1 Rg3 34. Qc2
Rxc3 35. Qa4 Qe8 36. Qxa7 Nxd2 37. Rxd2 Re1+ 38. Rd1 Rxd1+ 39. Rxd1 Qe5 40. Qa8+
Kd7 41. Qc6+ Kd8 42. Qa8+ Ke7 43. Kb2 Rd3+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Berry, Frank K"]
[Black "Ward, Mike"]
[Result "1-0"]
[WhiteElo "1900"]
[ECO "B00"]
[Opening "King's pawn opening"]
[WhiteFideId "2021633"]
[EventDate "2011.07.30"]

1. e4 d6 2. Nc3 Nf6 3. Bc4 g6 4. Nf3 Bg7 5. d3 Bg4 6. h3 Bxf3 7. Qxf3 O-O 8. O-O
Nc6 9. Qd1 a6 10. a4 Nd4 11. Be3 Nd7 12. f4 e6 13. Kh1 Nb6 14. Ba2 c5 15. Qd2
Nc6 16. Qf2 Bxc3 17. bxc3 Nxa4 18. Bxe6 Nxc3 19. Bb3 Na5 20. Rxa5 Qxa5 21. f5
Qd8 22. fxg6 hxg6 23. Qf4 g5 24. Qf5 d5 25. Bxg5 Qd6 26. Bf6 Qg3 27. Qh5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Thompson, Buddy"]
[Black "Bankston, Charles T"]
[Result "1-0"]
[WhiteElo "1877"]
[ECO "A43"]
[Opening "Old Benoni defence"]
[WhiteFideId "2047772"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 Ng4 7. Nd2 h5 8. h3 Ne5
9. f4 Ned7 10. O-O Bd4+ 11. Kh1 e5 12. dxe6 fxe6 13. Nb5 Nf6 14. Nxd4 cxd4 15.
e5 Ng4 16. Bxg4 hxg4 17. Qxg4 Rg8 18. Ne4 dxe5 19. fxe5 Rg7 20. Bh6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Kleiman, Jake"]
[Black "Ramirez, Alejandro"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2375"]
[BlackElo "2592"]
[ECO "C03"]
[Opening "French"]
[Variation "Tarrasch"]
[WhiteFideId "2020041"]
[BlackFideId "6500617"]
[EventDate "2011.07.30"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 c5 5. dxc5 Nf6 6. Qe2 O-O 7. Ngf3 a5 8. O-O
Na6 9. exd5 exd5 10. Nb3 a4 11. Nbd4 Nxc5 12. a3 Nfe4 13. h3 Bf6 14. Be3 Re8 15.
Bb5 Bd7 16. Rad1 Nd6 17. c3 Bxb5 18. Nxb5 Nf5 19. Rfe1 Nxe3 20. fxe3 Re4 21. Nd2
Re7 22. Nf3 Re4 23. Nd2 Re7 24. Nf3 Rd7 25. Nbd4 Qb6 26. Qb5 Rd6 27. Qxb6 Rxb6
28. Re2 Ne4 29. Ne1 Ng3 30. Rc2 Bg5 31. Kf2 Ne4+ 32. Ke2 Re8 33. Ndf3 Bh6 34. g4
f5 35. Ng2 fxg4 36. hxg4 Rg6 37. Rxd5 Rxg4 38. Kd3 Nf6 39. Re5 Rd8+ 40. Nd4 Rg3
41. Re2 g6 42. Kd2 Nd5 43. Ke1 Bg7 44. Re4 Nf6 45. Re6 h5 46. e4 Re8 47. e5 Rxe6
48. Nxe6 Nd5 49. c4 Nb6 50. Nxg7 Kxg7 51. e6 Nxc4 52. Kf2 Rb3 53. e7 Nd6 54.
e8=Q Nxe8 55. Rxe8 Rxb2+ 56. Kf3 Rb3+ 57. Ne3 g5 58. Re4 b5 59. Re6 Kf7 60. Rb6
g4+ 61. Kf4 g3 62. Ke4 h4 63. Rh6 Rxa3 64. Rxh4 Rb3 65. Rh6 a3 66. Ra6 b4 67.
Kd4 Rb2 68. Ke4 a2 69. Kf4 b3 70. Kxg3 Rb1 71. Kf3 a1=Q 72. Rxa1 Rxa1 73. Nc4
Rc1 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Shabalov, Alexander"]
[Black "Melekhina, Alisa"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2577"]
[BlackElo "2263"]
[ECO "B07"]
[Opening "Pirc defence"]
[WhiteFideId "2008572"]
[BlackFideId "2022613"]
[EventDate "2011.07.30"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nge2 Be7 5. g3 O-O 6. Bg2 Nbd7 7. O-O c6 8. a4
b6 9. h3 Ba6 10. Re1 Qc8 11. Be3 b5 12. axb5 cxb5 13. Qd3 Rb8 14. g4 exd4 15.
Nxd4 Nc5 16. Qd1 b4 17. Nd5 Nxd5 18. exd5 Bf6 19. Nc6 Rb6 20. Bd4 Rxc6 21. dxc6
Nd3 22. Bxf6 Nxe1 23. Qxe1 gxf6 24. Qxb4 Re8 25. Qxd6 Re6 26. Qd7 Qb8 27. Rxa6
Re1+ 28. Bf1 Qe5 29. c7 Qe2 30. Qd8+ Kg7 31. Qxf6+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Sarkar, Justin"]
[Black "Suich, Joshua"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2376"]
[ECO "A57"]
[Opening "Benko gambit half accepted"]
[WhiteFideId "2010011"]
[BlackFideId "2050277"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. f3 e6 6. e4 exd5 7. e5 Qe7 8. Qe2 Ng8
9. Nc3 Bb7 10. Nh3 f6 11. Nf4 Qxe5 12. Qxe5+ fxe5 13. Nfxd5 Kd8 14. Bg5+ Ne7 15.
Nb6 Ra7 16. Nc4 h6 17. b6 Ra8 18. Nd6 hxg5 19. Nxb7+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Perez, Moses"]
[Black "Xu, Grant Y"]
[Result "0-1"]
[BlackElo "2123"]
[ECO "C00"]
[Opening "French"]
[Variation "Chigorin variation"]
[BlackFideId "2052318"]
[EventDate "2011.07.30"]

1. e4 e6 2. Qe2 g6 3. c3 c5 4. Nf3 Bg7 5. g3 Ne7 6. Bg2 O-O 7. O-O d5 8. d3 Nbc6
9. Bg5 f6 10. Be3 d4 11. Bd2 e5 12. c4 Rb8 13. Na3 a6 14. Rfc1 Qd6 15. b3 b5 16.
h4 Bg4 17. Kh2 f5 18. Bg5 b4 19. Bxe7 Nxe7 20. Nc2 fxe4 21. Qxe4 Bf5 22. Qe2 e4
23. Nfe1 e3 24. f4 h5 25. Bf3 Kh7 26. a3 bxa3 27. Rxa3 Ng8 28. Rca1 Rb6 29. Bxh5
gxh5 30. Qxh5+ Nh6 31. Ra5 Rxb3 32. Rxa6 Rb6 33. R6a5 Kg8 34. Ra8 Qg6 35. Rxf8+
Bxf8 36. Qf3 Ng4+ 37. Kg1 Qc6 38. Ra3 Qxf3 39. Nxf3 Rb1+ 40. Kg2 Nf2 41. Ne5 Rb2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Dyson, Peter"]
[Black "Sadorra, Julio Catalino"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2093"]
[BlackElo "2495"]
[ECO "A15"]
[Opening "English, 1...Nf6 (Anglo-Indian defense)"]
[WhiteFideId "2029189"]
[BlackFideId "5201268"]
[EventDate "2011.07.30"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. e4 d6 6. Nge2 e5 7. O-O c6 8. d3 Be6
9. h3 Qd7 10. Kh2 h6 11. f4 Na6 12. Be3 b5 13. f5 gxf5 14. exf5 Bxf5 15. cxb5
Nb4 16. bxc6 Qe6 17. Qb3 a5 18. Qxe6 fxe6 19. Rad1 Bxd3 20. a3 e4 21. axb4 axb4
22. Nxe4 Bxe2 23. Nxd6 Bxf1 24. Rxf1 Nd5 25. Rxf8+ Bxf8 26. Bc5 Nc7 27. Bxb4 Ra2
28. Ba3 Rxa3 29. bxa3 Bxd6 30. a4 Kf7 31. h4 Kf6 32. Kh3 Kf5 33. Bf1 Bb4 34.
Bd3+ Ke5 35. Kg4 Be1 36. Kf3 Kd6 37. h5 Kxc6 38. g4 Bd2 39. Ke4 Kd6 40. Be2 Nd5
41. Kd3 Ba5 42. Kc4 Bd8 43. Bf3 Ke5 44. Kb5 Kf4 45. Bxd5 exd5 46. Kc5 Ke4 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Barnett, Alexander"]
[Black "Lenderman, Aleksandr"]
[Result "1/2-1/2"]
[BlackTitle "GM"]
[WhiteElo "2254"]
[BlackElo "2525"]
[ECO "C41"]
[Opening "Philidor"]
[Variation "Improved Hanham variation"]
[WhiteFideId "2019906"]
[BlackFideId "2021285"]
[EventDate "2011.07.30"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 a6 8. a4
b6 9. Ba2 Bb7 10. d5 c6 11. Be3 b5 12. dxc6 Bxc6 13. Bd5 Qc8 14. axb5 axb5 15.
Rxa8 Qxa8 16. Qd3 Bxd5 17. Nxd5 Nxd5 18. exd5 Nf6 19. Qxb5 Nxd5 20. c4 Nf6 21.
b4 Rc8 22. h3 h6 23. Rd1 Bf8 24. Rc1 Rc6 25. c5 dxc5 26. bxc5 Nd7 27. Nd2 f5 28.
Nb3 f4 29. Bd2 Kh8 30. f3 Be7 31. Be1 Qc8 32. Bf2 e4 33. fxe4 f3 34. Nd4 Rxc5
35. Rxc5 Bxc5 36. Nxf3 Bxf2+ 37. Kxf2 Nf6 38. e5 Ne4+ 39. Ke3 Ng3 40. Qd3 Qc1+
41. Kd4 Qb2+ 42. Kd5 Qxg2 43. h4 Qa2+ 44. Kd6 Qa8 45. Kc7 Qa7+ 46. Kc8 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Dixon, Blake W"]
[Black "Bayer, Duane K"]
[Result "0-1"]
[ECO "A49"]
[Opening "King's Indian"]
[Variation "fianchetto without c4"]
[WhiteFideId "2051214"]
[EventDate "2011.07.30"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 d6 5. O-O Bf5 6. c4 O-O 7. Nc3 Ne4 8. Qb3
Nxc3 9. Qxc3 c5 10. Be3 Nc6 11. Qd2 Qb6 12. Bh6 cxd4 13. Bxg7 Kxg7 14. Rad1 e5
15. Rfe1 Rfd8 16. e3 dxe3 17. Rxe3 Rab8 18. Ng5 Nd4 19. Bd5 Rd7 20. b4 Nc2 21.
Rb3 Nd4 22. Re3 h6 23. Ne4 Bg4 24. c5 dxc5 25. Nxc5 Rxd5 26. Rxe5 Nf3+ 27. Kg2
Nxd2 28. Rxd5 Bf3+ 29. Kg1 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Serna, Jeffrey M"]
[Black "Finney, Stuart"]
[Result "0-1"]
[BlackElo "2162"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "Grand Prix attack"]
[WhiteFideId "2068591"]
[BlackFideId "2029286"]
[EventDate "2011.07.30"]

1. e4 c5 2. f4 Nc6 3. Nc3 g6 4. Bc4 Bg7 5. Nf3 e6 6. e5 d6 7. exd6 Qxd6 8. Ne4
Qe7 9. c3 Nf6 10. d3 O-O 11. Be3 b6 12. Qe2 Bb7 13. Ne5 Nxe5 14. fxe5 Nxe4 15.
dxe4 Bxe5 16. Bh6 Qh4+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Brown, Michael William"]
[Black "Tyagi, Kushan"]
[Result "1-0"]
[WhiteElo "2121"]
[BlackElo "2113"]
[ECO "E32"]
[Opening "Nimzo-Indian"]
[Variation "classical variation"]
[WhiteFideId "2037602"]
[BlackFideId "2040069"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 f5 8. e3
b6 9. Nh3 Bb7 10. b4 d6 11. f3 Ng5 12. Nf2 Qe8 13. Bd3 Nd7 14. Bd2 c5 15. bxc5
dxc5 16. a4 cxd4 17. exd4 Qg6 18. Bc3 Qh6 19. Qd2 Rac8 20. a5 b5 21. h4 Nf7 22.
Qxh6 Nxh6 23. Bb4 Rfe8 24. cxb5 e5 25. dxe5 Nxe5 26. O-O Nxd3 27. Nxd3 Rc4 28.
Rac1 Rd4 29. Rfd1 Red8 30. Nf2 Rxd1+ 31. Nxd1 Rd5 32. a6 Rxb5 33. axb7 Rxb4 34.
Rc8+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Regam, Jessica"]
[Black "Vilenchuk, Michael"]
[Result "0-1"]
[WhiteElo "1819"]
[BlackElo "2183"]
[ECO "B78"]
[Opening "Sicilian"]
[Variation "dragon, Yugoslav attack, 10.O-O-O"]
[WhiteFideId "2033496"]
[BlackFideId "2036959"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Bc4
Nc6 9. Qd2 Bd7 10. O-O-O Rb8 11. h4 b5 12. Be2 Ne5 13. Ndxb5 Qa5 14. Nd4 Rfc8
15. Nb3 Rxb3 16. cxb3 Qxa2 17. Qc2 Qa5 18. Kd2 d5 19. Ke1 dxe4 20. fxe4 Neg4 21.
Bd4 e5 22. Bg1 Be6 23. Rh3 Bh6 24. Kf1 Nh5 25. Rhd3 Kg7 26. Rd6 Ng3+ 27. Ke1 Ne3
28. Bxe3 Bxe3 29. Qd3 Qc5 30. Bf3 Bxb3 31. Rd5 Bf2+ 32. Kd2 Qe7 33. Rd7 Qxh4 34.
Kc1 Bxd1 35. Bxd1 Qf4+ 36. Kb1 Bd4 37. Bb3 Rf8 38. Rxd4 exd4 39. Qxd4+ Qf6 40.
e5 Qf1+ 41. Ka2 Nf5 42. Qd7 Qa6+ 43. Kb1 Qc8 44. Qa4 Qc7 45. e6 fxe6 46. Bxe6
Qe7 47. Bxf5 Rxf5 48. Qd4+ Kh6 49. Nd5 Qe1+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Berry, Jim"]
[Black "Gater, Daniel"]
[Result "0-1"]
[WhiteTitle "NCM"]
[BlackElo "2136"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf"]
[BlackFideId "2050374"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3
Be7 9. Qd2 O-O 10. O-O-O Nbd7 11. Kb1 b5 12. g4 b4 13. Nd5 Bxd5 14. exd5 Nb6 15.
Bxb6 Qxb6 16. h4 a5 17. h5 a4 18. Nc1 Ra5 19. Bc4 Rc8 20. b3 Rcc5 21. Qf2 Qc7
22. Nd3 Nxd5 23. Bxd5 Rxd5 24. Nxb4 Rdb5 25. Nd3 h6 26. Rhe1 Bf6 27. Re4 d5 28.
Rb4 e4 29. c4 exd3 30. Rxb5 Rxb5 31. Qe3 Rb8 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Kannan, Suganth"]
[Black "Unruh, Harrison"]
[Result "1/2-1/2"]
[ECO "B70"]
[Opening "Sicilian"]
[Variation "dragon variation"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. h3 Bg7 7. Be3 O-O 8. Bc4
a6 9. a4 Nc6 10. O-O Bd7 11. Qd2 Qc8 12. Ba2 Nxd4 13. Bxd4 Be6 14. Kh2 Bxa2 15.
Rxa2 Qc4 16. Qd3 Qxd3 17. cxd3 Ng4+ 18. hxg4 Bxd4 19. f4 e6 20. Ne2 Bg7 21. b3
Rac8 22. Rc1 Rxc1 23. Nxc1 Rc8 24. Ne2 Kf8 25. Rd2 Ke8 26. d4 Kd7 27. e5 d5 28.
g5 Bf8 29. g4 Bb4 30. Rb2 Ba3 31. Ra2 Bb4 32. Kg2 Rc6 33. Kf3 Be1 34. Ra1 Bb4
35. Ra2 a5 36. Kg2 Rc8 37. Kh3 b6 38. Kg2 Kc7 39. Kf3 Kb7 40. f5 Ka6 41. f6 b5
42. Ke3 bxa4 43. bxa4 Kb6 44. Rb2 Ka6 45. Kf2 Kb6 46. Ke3 Kc7 47. Rc2+ Kd7 48.
Rb2 Ke8 49. Kf3 Kf8 50. Ke3 Rc4 51. Kf3 Rc8 52. Ke3 Rc4 53. Kd3 Ke8 54. Ke3 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Perez, Robert M"]
[Black "Esserman, Marc"]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "2210"]
[BlackElo "2453"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "2035251"]
[BlackFideId "2018616"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Be3 Nf6 8. Be2
O-O 9. Nb3 Be6 10. O-O Rc8 11. g4 Na5 12. Nxa5 Qxa5 13. Bd4 Bxg4 14. Bxg4 Nxg4
15. Nd5 Bxd4+ 16. Qxd4 e5 17. Qd1 Qc5+ 18. Kg2 Qxd5 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Hoang, Truman"]
[Black "Vazquez Maccarini, Danitza"]
[Result "1/2-1/2"]
[BlackTitle "WFM"]
[BlackElo "1785"]
[ECO "B40"]
[Opening "Sicilian defence"]
[BlackFideId "3101193"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. Nbd2 d6 5. g3 Nf6 6. Bg2 Be7 7. O-O Rb8 8. Re1
Qc7 9. c3 O-O 10. Nb3 b5 11. d4 cxd4 12. Nbxd4 Nxd4 13. Nxd4 a6 14. Be3 Bb7 15.
Qc2 Rfc8 16. Rac1 Qd7 17. Qd3 Ng4 18. b3 Nxe3 19. Rxe3 e5 20. Nf5 Bg5 21. Rd1
Bxe3 22. Qxe3 d5 23. Bh3 Qd8 24. exd5 Qf6 25. d6 Rd8 26. c4 Kh8 27. c5 g6 28.
Nh6 Bf3 29. Rc1 Bc6 30. Qxe5 Qxe5 31. Nxf7+ Kg7 32. Nxe5 Bb7 33. c6 Rxd6 34.
cxb7 Rxb7 35. Rc2 Re7 36. f4 g5 37. Kf2 gxf4 38. gxf4 Rf6 39. Ke3 Rh6 40. Bg4
Rd6 41. Ke4 h6 42. Kf3 Rf6 43. Re2 a5 44. Bd7 b4 45. f5 Rd6 46. Be6 Re8 47. Ng4
h5 48. Nf2 Rf8 49. Nh3 Rd3+ 50. Re3 Rd2 51. Re2 Rd3+ 52. Kg2 Rd4 53. Rf2 Kf6 54.
Nf4 Kg5 55. Nd5 Re4 56. Ne7 h4 57. Nc6 Ra8 58. Bd5 Rg4+ 59. Kf1 Rc8 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Berisha, Enver"]
[Black "Li, Jennifer"]
[Result "1-0"]
[ECO "D00"]
[Opening "Queen's pawn game"]
[WhiteFideId "3600122"]
[EventDate "2011.07.30"]

1. d4 d5 2. e3 e6 3. c4 c5 4. Nf3 Nf6 5. Nc3 Nc6 6. Be2 Be7 7. O-O O-O 8. a3 a6
9. b3 dxc4 10. bxc4 Bd7 11. d5 exd5 12. cxd5 Qa5 13. dxc6 Qxc3 14. Bd2 Qb2 15.
cxd7 Nxd7 16. Rb1 Qxa3 17. Rxb7 Rfd8 18. Bc1 Qa2 19. Rxd7 Rxd7 20. Qxd7 Qxe2 21.
Qxe7 Qb5 22. Ne5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Kapke, Paul A"]
[Black "Young, Steven D"]
[Result "0-1"]
[BlackElo "1907"]
[ECO "A10"]
[Opening "English"]
[Variation "Anglo-Dutch defense"]
[WhiteFideId "2051087"]
[BlackFideId "2025965"]
[EventDate "2011.07.30"]

1. c4 f5 2. b3 e5 3. Bb2 Nc6 4. e3 Nf6 5. Nc3 g6 6. Nge2 Bg7 7. Ba3 a5 8. Qb1 d6
9. Nb5 O-O 10. d4 Nb4 11. Nbc3 Ne4 12. Qd1 exd4 13. exd4 Nxc3 14. Nxc3 Qf6 15.
Bxb4 axb4 16. Nd5 Qxd4 17. Qxd4 Bxd4 18. Nxc7 Ra3 19. Rd1 Bc3+ 20. Ke2 Rxa2+ 21.
Kf3 Bd7 22. Rxd6 Bc6+ 23. Nd5 Bd4 24. Be2 Re8 25. Rd1 Be5 26. Rxc6 bxc6 27. Nxb4
Rxe2 28. Nxc6 Bc3 29. Nd4 Bxd4 30. Rxd4 Rb2 31. Rd3 Rb8 32. Kf4 R2xb3 33. Rd7
Rb2 34. Kg3 Rc8 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Yanovsky, Vlad"]
[Black "Vibbert, Sean"]
[Result "0-1"]
[BlackElo "2159"]
[ECO "B65"]
[Opening "Sicilian"]
[Variation "Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4"]
[WhiteFideId "2054361"]
[BlackFideId "2030292"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8.
O-O-O O-O 9. f4 Nxd4 10. Qxd4 Qa5 11. Kb1 Rd8 12. Be2 Bd7 13. Bf3 Bc6 14. g4 e5
15. Qd2 exf4 16. Nd5 Qxd2 17. Nxe7+ Kf8 18. Rxd2 Kxe7 19. Re1 h6 20. Bxf4 g5 21.
Bxd6+ Rxd6 22. Rxd6 Kxd6 23. e5+ Ke6 24. Bxc6 bxc6 25. exf6+ Kxf6 26. Re4 h5 27.
h3 h4 28. Rc4 Re8 29. Rxc6+ Kg7 30. c4 Re3 31. Rd6 Rxh3 32. c5 Rh1+ 33. Kc2 h3
34. c6 h2 35. Rd2 Rc1+ 36. Kxc1 h1=Q+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Krienke, Makaio W"]
[Black "Dougherty, Colin T"]
[Result "1-0"]
[ECO "E06"]
[Opening "Catalan"]
[Variation "closed, 5.Nf3"]
[WhiteFideId "2038854"]
[EventDate "2011.07.30"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O c5 7. Nc3 cxd4 8. Nxd4
dxc4 9. Bf4 a6 10. a4 Nbd7 11. Nc2 e5 12. Bg5 Rb8 13. Ne3 h6 14. Bxf6 Nxf6 15.
Qxd8 Bxd8 16. Nxc4 Bc7 17. Rfd1 Be6 18. Nd5 Nxd5 19. Bxd5 Bxd5 20. Rxd5 Rfd8 21.
Rad1 Rxd5 22. Rxd5 b5 23. axb5 Rxb5 24. Rxb5 axb5 25. Na3 b4 26. Nc2 Bd6 27. e4
h5 28. Kf1 Kf8 29. Ke2 Bc5 30. f3 g6 31. b3 f5 32. Kd3 Kf7 33. Kc4 Bg1 34. h3
Bf2 35. g4 hxg4 36. hxg4 fxg4 37. fxg4 Kf6 38. Nxb4 Kg5 39. Nd3 Bg3 40. b4 Kxg4
41. b5 Bh4 42. Nxe5+ Kh5 43. b6 Bd8 44. b7 Bc7 45. Nd7 g5 46. Kd5 g4 47. Ne5 Kg5
48. Nxg4 Kxg4 49. e5 Kf5 50. e6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Gurevich, Dmitry"]
[Black "Chiang, Michael"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2479"]
[BlackElo "2062"]
[ECO "A31"]
[Opening "English"]
[Variation "symmetrical, Benoni formation"]
[WhiteFideId "2000407"]
[BlackFideId "2006405"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Bc5 7. N5c3 O-O 8.
h3 e4 9. g4 Re8 10. Bg2 b5 11. g5 b4 12. Na4 Nfd7 13. Nxc5 Nxc5 14. Be3 Nba6 15.
Nd2 Bb7 16. Nb3 Rc8 17. Nxc5 Nxc5 18. Rc1 Qa5 19. O-O Red8 20. d6 Ne6 21. Rxc8
Bxc8 22. Qd2 Qe5 23. Rc1 Ba6 24. Qxb4 Nxg5 25. Rc5 Qxd6 26. Bxg5 f6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "1"]
[White "Nakamura, Hikaru"]
[Black "Perkovich, Kyle A"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2770"]
[ECO "A01"]
[Opening "Nimzovich-Larsen attack"]
[Variation "classical variation"]
[WhiteFideId "2016192"]
[BlackFideId "2062488"]
[EventDate "2011.07.30"]

1. b3 d5 2. Bb2 Nc6 3. e3 Bf5 4. Nf3 e6 5. Be2 Nf6 6. O-O Be7 7. d4 h6 8. c4 O-O
9. Nc3 Re8 10. Rc1 Na5 11. c5 b6 12. b4 Nb7 13. Ba6 Qb8 14. Ne5 bxc5 15. Nc6 Qc8
16. dxc5 Ne4 17. Nxe4 Bxe4 18. Nxe7+ Rxe7 19. c6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Miyasaka, Matthew Shoji"]
[Black "Gelashvili, Tamaz"]
[Result "0-1"]
[BlackTitle "GM"]
[BlackElo "2616"]
[ECO "C41"]
[Opening "Philidor"]
[Variation "exchange variation"]
[BlackFideId "13600702"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 O-O 7. O-O c6 8. Nf3
b5 9. Bb3 b4 10. Ne2 Nxe4 11. Qd4 d5 12. Nf4 Nf6 13. Re1 Nbd7 14. Ba4 Bc5 15.
Qd3 Qb6 16. Be3 Bxe3 17. Qxe3 Nc5 18. Bb3 Ne6 19. Qxb6 axb6 20. Nxe6 Bxe6 21.
Rad1 c5 22. c4 dxc4 23. Ng5 cxb3 24. Nxe6 fxe6 25. axb3 Rfd8 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Clark, Robert B"]
[Black "Kacheishvili, Giorgi"]
[Result "0-1"]
[BlackTitle "GM"]
[BlackElo "2582"]
[ECO "E51"]
[Opening "Nimzo-Indian"]
[Variation "4.e3 e8g8, 5.Nf3 d7d5"]
[BlackFideId "13600613"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd2 c5 7. a3 Bxc3 8. Bxc3
cxd4 9. Bxd4 Nc6 10. cxd5 Nxd5 11. Be2 Qe7 12. Rc1 Rd8 13. Bc5 Qe8 14. Qc2 e5
15. e4 Nf4 16. O-O Bg4 17. h3 Bh5 18. Be3 Rac8 19. Bb5 Bxf3 20. Bxf4 Bxg2 21.
Kxg2 exf4 22. f3 Qe5 23. Qc5 Rd2+ 24. Rf2 Qxb2 25. Rc2 Qxc2 26. Qxc2 Rxc2 27.
Rxc2 Kf8 28. Rc5 g6 29. h4 h5 30. Rd5 Ke7 31. Rc5 a6 32. Bc4 Na7 33. Rxc8 Nxc8
34. Kf2 b5 35. Bd5 Nb6 36. Bb7 a5 37. Bc6 b4 38. axb4 a4 39. Bxa4 Nxa4 40. Ke2
f6 41. Kd3 Nb6 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Hansen, Lars Bo"]
[Black "Downs, Walter Thomas"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2578"]
[ECO "B06"]
[Opening "Robatsch defence"]
[Variation "two knights variation"]
[WhiteFideId "1400037"]
[EventDate "2011.07.30"]

1. Nf3 d6 2. d4 g6 3. e4 Bg7 4. Nc3 Bg4 5. Be3 Nd7 6. Be2 Bxf3 7. Bxf3 e5 8. O-O
Ne7 9. dxe5 Bxe5 10. Qd2 O-O 11. Rad1 Kh8 12. g3 Nb6 13. b3 Qd7 14. Bg2 Rad8 15.
f4 Bg7 16. a4 a5 17. Nb5 Nc6 18. Qf2 Nc8 19. e5 Qe7 20. exd6 cxd6 21. Rfe1 Qf6
22. Nc7 Rd7 23. Nd5 Qd8 24. f5 Ne5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Hoyos, Carlos D"]
[Black "Becerra Rivero, Julio"]
[Result "0-1"]
[BlackTitle "GM"]
[BlackElo "2557"]
[ECO "B06"]
[Opening "Robatsch defence"]
[BlackFideId "3501728"]
[EventDate "2011.07.30"]

1. d4 g6 2. e4 Bg7 3. Nc3 c6 4. Nf3 d5 5. Bd3 Bg4 6. Be3 e6 7. h3 Bxf3 8. Qxf3
Ne7 9. e5 Nd7 10. Bg5 h6 11. Bh4 Qb6 12. Rb1 Qxd4 13. Bg3 Nxe5 14. Bxe5 Qxe5+
15. Qe2 c5 16. Bb5+ Kf8 17. Qxe5 Bxe5 18. O-O c4 19. f4 Bd4+ 20. Kh1 a6 21. Rfd1
Bxc3 22. bxc3 axb5 23. Ra1 Kg7 24. Kh2 h5 25. Rdb1 Ra5 26. Kg1 Rha8 27. Rb2 Nf5
28. Kf2 Kf6 29. g4 hxg4 30. hxg4 Nd6 31. g5+ Kf5 32. Kg3 Ra3 33. Rf1 Rxc3+ 34.
Kh4 Rh8# 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Mitkov, Nikola"]
[Black "Presswood, Robert"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2527"]
[ECO "B35"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, modern variation with Bc4"]
[WhiteFideId "15000290"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nc3 g6 3. Nf3 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 d6 8. h3
a6 9. O-O Bd7 10. Bb3 Na5 11. f4 Nxb3 12. axb3 O-O 13. e5 dxe5 14. fxe5 Ne8 15.
Nf3 Nc7 16. Bb6 Qc8 17. Qe1 Bc6 18. Qh4 Bxf3 19. Rxf3 e6 20. Bc5 Rd8 21. Be7
Bxe5 22. Rxf7 Kxf7 23. Qxh7+ Bg7 24. Bxd8 Qxd8 25. Rf1+ Qf6 26. Rxf6+ Kxf6 27.
Ne4+ Kf7 28. Ng5+ Kf6 29. Qh4 Ke7 30. Qb4+ Kf6 31. Ne4+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Bartholomew, John"]
[Black "Shao, Stephanie"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2442"]
[ECO "D35"]
[Opening "QGD"]
[Variation "exchange, positional line"]
[WhiteFideId "2019353"]
[BlackFideId "2062216"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 c6 7. Bd3 h6 8. Bh4
Qa5 9. Ne2 Bd6 10. O-O O-O 11. f3 c5 12. a3 Re8 13. Qd2 cxd4 14. Nxd4 Bc5 15.
Rfe1 Bxd4 16. exd4 Qb6 17. Rxe8+ Nxe8 18. Nxd5 Qxd4+ 19. Bf2 Qa4 20. Rc1 Ne5 21.
Ne7+ Kf8 22. Nxc8 b6 23. Be4 Nc4 24. Rxc4 Qxc4 25. Bxa8 Qxc8 26. Be4 Nf6 27.
Qd6+ Kg8 28. Qc6 Qd8 29. Qa8 Qxa8 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Zhao, Audrey Jin Nin"]
[Black "Studen, Damir"]
[Result "0-1"]
[BlackElo "2239"]
[ECO "D47"]
[Opening "QGD semi-Slav"]
[Variation "Meran variation"]
[BlackFideId "2009129"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3
Be7 9. e4 a6 10. a3 Bb7 11. h3 h6 12. Be3 O-O 13. O-O c5 14. e5 Nd5 15. Nxd5
Bxd5 16. Rc1 Rc8 17. Re1 cxd4 18. Rxc8 Qxc8 19. Bxd4 Qb7 20. Be2 Rc8 21. b4 Qc7
22. Qa1 Nb6 23. Bb2 Na4 24. Rc1 Qd8 25. Bd4 Rxc1+ 26. Qxc1 Bxf3 27. Bxf3 Qxd4
28. Qc8+ Bf8 29. Qxa6 Qa1+ 30. Kh2 Qxe5+ 31. g3 Nc3 32. Qc6 Qd4 33. Kg2 Nb1 34.
Qc1 Nd2 35. Bc6 Qc4 36. Qxd2 Qxc6+ 37. f3 Qd5 38. Qc2 Qc4 39. Qb2 g6 40. Qb1
Qe2+ 41. Kg1 Qxf3 42. Qe1 Qxa3 43. Kh2 Qxb4 44. Qc1 Qc4 45. Qb2 b4 46. Qb1 b3
47. Kg1 Qc2 48. Qe1 b2 49. Kf1 b1=Q 50. Qxb1 Qxb1+ 51. Kf2 Qd3 52. h4 Bc5+ 53.
Kg2 Qe2+ 54. Kh3 Bg1 55. h5 gxh5 56. g4 Qxg4# 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Sloan, Richard, Jr"]
[Black "Fernandez, Daniel"]
[Result "0-1"]
[BlackTitle "IM"]
[BlackElo "2401"]
[ECO "A46"]
[Opening "Queen's pawn game"]
[BlackFideId "2015390"]
[EventDate "2011.07.30"]

1. Nf3 Nf6 2. d4 c5 3. Bg5 cxd4 4. Bxf6 gxf6 5. Nxd4 Nc6 6. Nxc6 bxc6 7. g3 Qb6
8. b3 f5 9. c3 Bg7 10. Qc2 d6 11. Bg2 O-O 12. O-O Qc5 13. b4 Qc4 14. Qd3 Qxd3
15. exd3 Bd7 16. Re1 Bf6 17. d4 a5 18. bxa5 Rxa5 19. Nd2 Rfa8 20. Nc4 Rxa2 21.
Rab1 Rc2 22. Nb6 Ra7 23. Nxd7 Rxd7 24. Rec1 Rxc1+ 25. Rxc1 Rc7 26. Kf1 c5 27.
dxc5 Rxc5 28. c4 Ra5 29. Rc2 Bd4 30. Ke2 Ra3 31. Rd2 Bc5 32. Bc6 Rc3 33. Bb5 Kg7
34. f3 Re3+ 35. Kf2 Kf6 36. Re2 Rc3+ 37. Kg2 e6 38. h3 Rc1 39. g4 f4 40. h4 h6
41. Re4 Be3 42. Be8 Ke7 43. Bc6 Rc2+ 44. Kf1 Rf2+ 45. Ke1 Rh2 46. h5 Kf6 47. Be8
Rb2 48. Bc6 Rb6 49. Ba8 Rb8 50. Bc6 Kg5 51. Ke2 Kh4 52. Bb5 d5 53. Re5 Bd4 54.
Re4 dxe4 55. fxe4 Kg3 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Gelashvili, Tamaz"]
[Black "Qi, Eric"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2616"]
[ECO "C50"]
[Opening "Giuoco Pianissimo"]
[Variation "Italian four knights variation"]
[WhiteFideId "13600702"]
[BlackFideId "2034212"]
[EventDate "2011.07.30"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 Bc5 5. Nf3 h6 6. a3 d6 7. Na4 a6 8. Nxc5
dxc5 9. h3 Qe7 10. Be3 Be6 11. Bxe6 fxe6 12. Qd2 O-O-O 13. Qc3 Nd7 14. Nd2 Nd4
15. Nc4 b5 16. Na5 Qd6 17. a4 Nb6 18. axb5 axb5 19. Qd2 Rdf8 20. Qd1 Nc6 21. O-O
g5 22. Nxc6 Qxc6 23. Ra5 c4 24. Qd2 Kb7 25. Qb4 g4 26. hxg4 Rf7 27. Qxb5 Qxb5
28. Rxb5 cxd3 29. cxd3 Kc6 30. Rxe5 Re7 31. Rc1+ Kd7 32. f3 Reh7 33. Rec5 Rc8
34. b4 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Knapp, Joseph A"]
[Black "Gareev, Timur"]
[Result "0-1"]
[BlackTitle "GM"]
[BlackElo "2613"]
[ECO "C77"]
[Opening "Ruy Lopez"]
[Variation "Anderssen variation"]
[WhiteFideId "2057530"]
[BlackFideId "14200937"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bc5 6. O-O d6 7. Nc3 b5 8. Bb3
Na5 9. Bg5 Bb7 10. Bd5 c6 11. a3 cxd5 12. b4 Bd4 13. Nxd4 exd4 14. Nxd5 Bxd5 15.
exd5 Nb7 16. Re1+ Kd7 17. Qf3 Re8 18. Rec1 Re5 19. Bf4 Rxd5 20. Re1 Rc8 21. Qh3+
Kc7 22. a4 Qd7 23. Qf3 bxa4 24. Ra3 Re8 25. Rc1 Rf5 26. g4 Rb5 27. h3 Nd5 28.
Bd2 Kb8 29. Rxa4 Nc7 30. c4 dxc3 31. Rxc3 h5 32. Ra1 hxg4 33. hxg4 Rxb4 34. Rc4
Rxc4 35. dxc4 Qe6 36. Rb1 Qe4 37. Qb3 Qxg4+ 38. Kf1 Qe2+ 39. Kg1 Qe4 40. Ba5 Re5
41. Bxc7+ Kxc7 42. Qb6+ Kc8 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Kacheishvili, Giorgi"]
[Black "Ukoli, James O"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2582"]
[ECO "D45"]
[Opening "QGD semi-Slav"]
[Variation "Stoltz variation"]
[WhiteFideId "13600613"]
[BlackFideId "2068877"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. O-O
Be7 9. b3 O-O 10. Bb2 h6 11. Rfd1 Rc8 12. Qe2 Qc7 13. e4 dxe4 14. Nxe4 Nxe4 15.
Bxe4 Bf6 16. Rd2 Rfd8 17. Rad1 Nf8 18. Ne5 Bxe5 19. dxe5 Rxd2 20. Qxd2 c5 21.
Bc2 Qc6 22. f3 Rc7 23. Qd8 Rd7 24. Rxd7 Qxd7 25. Qxd7 Nxd7 26. Kf2 Bc6 27. Bd3
Kf8 28. h4 a6 29. a4 a5 30. h5 Nb8 31. g4 Na6 32. f4 Nb4 33. Bb1 Be8 34. f5 exf5
35. gxf5 f6 36. exf6 gxf6 37. Bxf6 Bxh5 38. Ke1 Nc6 39. Be4 Kf7 40. Bc3 Nd4 41.
Bxd4 cxd4 42. b4 Kf6 43. c5 bxc5 44. bxa5 c4 45. a6 c3 46. a7 c2 47. Kd2 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Kennedy, Richard K"]
[Black "Hansen, Lars Bo"]
[Result "1/2-1/2"]
[BlackTitle "GM"]
[BlackElo "2578"]
[ECO "B19"]
[Opening "Caro-Kann"]
[Variation "classical, Spassky variation"]
[BlackFideId "1400037"]
[EventDate "2011.07.30"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5
Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. c4 Bb4+ 12. Kf1 Be7 13. Bf4 Ngf6 14. Rd1 Qb6 15.
Ne5 Rd8 16. Rh3 Qxb2 17. Rb1 Qxa2 18. Rxb7 Nxe5 19. Bxe5 Ng4 20. Qe2 Qa1+ 21.
Qe1 Qxe1+ 22. Kxe1 a5 23. Ne4 Bb4+ 24. Ke2 Nxe5 25. dxe5 O-O 26. Rd3 Rxd3 27.
Kxd3 f5 28. Nd6 Rd8 29. Ra7 Bxd6 30. exd6 Rxd6+ 31. Kc3 Rd1 32. Rxa5 Rg1 33. g3
f4 34. gxf4 Rg4 35. Rc5 Rxf4 36. Rxc6 Kf7 37. Rc7+ Kf6 38. c5 Rf3+ 39. Kb4 Rxf2
40. Kb5 e5 41. c6 Rc2 42. Rc8 e4 43. Re8 Kf5 44. Re7 Kf4 45. Rxg7 e3 46. Kb6 e2
47. Re7 Kf3 48. c7 Kf2 49. Rf7+ Ke3 50. Re7+ Kf2 51. Rf7+ Kg2 52. Re7 Kf2 53.
Rf7+ Kg2 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Becerra Rivero, Julio"]
[Black "Liang, Awonder"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2557"]
[BlackElo "1832"]
[ECO "B52"]
[Opening "Sicilian"]
[Variation "Canal-Sokolsky attack, 3...Bd7"]
[WhiteFideId "3501728"]
[BlackFideId "2056437"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. a4 Nf6 5. d3 e6 6. O-O Be7 7. Re1 O-O 8. Nbd2
a6 9. Bc4 Nc6 10. c3 d5 11. Ba2 b5 12. Bb1 dxe4 13. dxe4 e5 14. Nf1 Be6 15. Bc2
Qxd1 16. Rxd1 c4 17. axb5 axb5 18. Bg5 b4 19. Bxf6 gxf6 20. Ba4 Rfc8 21. Ne3
bxc3 22. bxc3 Bc5 23. Nd5 Kg7 24. Bb5 Rxa1 25. Rxa1 Ne7 26. Bxc4 Bd6 27. Nd2 Rc5
28. Ne3 f5 29. Bxe6 fxe6 30. Ra6 Rxc3 31. Rxd6 f4 32. Nef1 Kf6 33. Rd7 Rc6 34.
h4 h5 35. Nf3 Rc4 36. Ng5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Fishbein, Matthew E"]
[Black "Mitkov, Nikola"]
[Result "0-1"]
[BlackTitle "GM"]
[BlackElo "2527"]
[ECO "D31"]
[Opening "QGD"]
[Variation "3.Nc3"]
[WhiteFideId "2055783"]
[BlackFideId "15000290"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Qc2 Ne7 5. e3 c5 6. a3 Bxc3+ 7. Qxc3 cxd4 8.
exd4 Nbc6 9. c5 e5 10. Ne2 O-O 11. Be3 Nf5 12. O-O-O Re8 13. Kb1 Nxe3 14. fxe3
Bg4 15. Re1 Qg5 16. h4 Qf5+ 17. Ka2 Qf2 18. Qd2 exd4 19. exd4 Nxd4 20. Qxd4 Qxd4
21. Nxd4 Rxe1 22. g3 Rd1 23. Nc2 Re8 24. Bg2 Rd2 25. Re1 Be6 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Fernandez, Daniel"]
[Black "Porrata, Felix"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2401"]
[BlackElo "1889"]
[ECO "A40"]
[Opening "Queen's pawn"]
[Variation "Lundin (Kevitz-Mikenas) defence"]
[WhiteFideId "2015390"]
[BlackFideId "2053284"]
[EventDate "2011.07.30"]

1. d4 Nc6 2. d5 Ne5 3. e4 e6 4. Be2 Bc5 5. Nf3 Ng6 6. O-O d6 7. c4 N8e7 8. b4
Bb6 9. Qc2 exd5 10. exd5 Bf5 11. Qc3 O-O 12. Bb2 f6 13. c5 Nxd5 14. Bc4 dxc5 15.
bxc5 Be6 16. Bxd5 Bxd5 17. cxb6 axb6 18. Rd1 c6 19. Nbd2 Qc8 20. Nc4 Nf4 21. Rd2
Qg4 22. Ne3 Qg6 23. Nh4 Qh5 24. Nxd5 cxd5 25. Nf3 Rae8 26. Nd4 Re4 27. Qg3 Qe5
28. Rf1 Re8 29. h3 Re1 30. Rd1 Re4 31. Kh2 Qh5 32. f3 Ne2 33. Nxe2 Rxe2 34. Bxf6
Qf7 35. Bd4 Rxa2 36. Rc1 h6 37. Rc7 Re7 38. Rfc1 Rae2 39. Rxe7 Rxe7 40. Rc8+ Kh7
41. Qb8 Qh5 42. Rh8+ Kg6 43. Qd6+ Kf7 44. g4 Qg5 45. Kg3 Qd2 46. Qxd5+ Re6 47.
Qd7+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Studen, Damir"]
[Black "Moore, Nickolas Arthur"]
[Result "1-0"]
[WhiteElo "2239"]
[ECO "D02"]
[Opening "Queen's pawn game"]
[WhiteFideId "2009129"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 d5 3. g3 Bf5 4. Bg2 e6 5. O-O Bd6 6. c4 c6 7. Nc3 O-O 8. Nh4
Bg6 9. Nxg6 hxg6 10. c5 Bc7 11. b4 e5 12. e3 e4 13. Qa4 a6 14. Qc2 Nbd7 15. a4
Qe7 16. Bd2 Kh7 17. b5 Rh8 18. Rfb1 Kg8 19. bxc6 bxc6 20. Rb7 Rc8 21. a5 Ng4 22.
h3 Nxf2 23. Kxf2 Qg5 24. Ne2 Qf5+ 25. Kg1 Nf6 26. Be1 g5 27. Bf2 g4 28. h4 g5
29. hxg5 Qxg5 30. Nf4 Kg7 31. Qe2 Rh7 32. Qxa6 Bxf4 33. exf4 Qh5 34. Rxf7+ Kxf7
35. Qxc8 e3 36. Bxe3 Qh2+ 37. Kf1 Qxg3 38. Qc7+ Kf8 39. Qxh7 Nxh7 40. Ra3 Nf6
41. a6 Ne4 42. Bxe4 dxe4 43. a7 Qf3+ 44. Ke1 Qh1+ 45. Kd2 Qh2+ 46. Kc3 g3 47.
a8=Q+ Kf7 48. Ra7+ Kg6 49. Qg8+ Kf5 50. Qg5+ Ke6 51. Qe5# 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Juac, Majur"]
[Black "Levison, Joshua"]
[Result "1-0"]
[WhiteElo "2185"]
[ECO "C51"]
[Opening "Evans gambit declined, 5.a4"]
[WhiteFideId "2035898"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. a4 Qe7 6. a5 Qxb4 7. Bxf7+ Kxf7 8.
axb6 Qxe4+ 9. Kf1 Qf5 10. bxc7 e4 11. Nh4 Qf6 12. Qh5+ g6 13. Qd5+ Kf8 14. Ra4
Qxh4 15. Rxe4 Nge7 16. Qc4 d5 17. Rf4+ Bf5 18. Qc3 Qxf4 19. Qxh8+ Ng8 20. Ba3+
Ne7 21. f3 Bxc2 22. Kf2 Bxb1 23. Rxb1 Qh4+ 24. Kg1 Qf6 25. Qxh7 Qf7 26. Qh8 Qf6
27. Qxf6+ Nxf6 28. Rxb7 Nd7 29. c8=Q+ Rxc8 30. Rxd7 Re8 31. Rxa7 Kf7 32. Rd7 Ke6
33. Rxe7+ Rxe7 34. Bxe7 Kxe7 35. Kf2 Ke6 36. Ke3 Ke5 37. d4+ Kf5 38. h4 g5 39.
hxg5 Kxg5 40. g4 Kf6 41. Kf4 Ke6 42. Kg5 Kd6 43. Kf6 Kc6 44. g5 Kd7 45. Kf7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Doran, Jonathan"]
[Black "Bartholomew, John"]
[Result "0-1"]
[BlackTitle "IM"]
[BlackElo "2442"]
[ECO "B01"]
[Opening "Scandinavian (centre counter) defence"]
[WhiteFideId "2062291"]
[BlackFideId "2019353"]
[EventDate "2011.07.30"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Nf6 4. d4 Bg4 5. Be2 e6 6. O-O Be7 7. c4 Qd8 8. Nc3
O-O 9. Be3 Nbd7 10. Qb3 Qc8 11. Rfd1 Rd8 12. Rd2 a6 13. Rad1 h6 14. Bf4 Bd6 15.
Ne5 Bxe2 16. Rxe2 Bf8 17. h4 Nxe5 18. Bxe5 Ng4 19. Bg3 Bd6 20. Ne4 h5 21. Bxd6
cxd6 22. c5 dxc5 23. dxc5 Qc7 24. g3 Ne5 25. Rd6 Rab8 26. Red2 Rxd6 27. cxd6 Qc6
28. Ng5 Rd8 29. Qc2 g6 30. Qxc6 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Zhao, Art"]
[Black "Yeager, Daniel A"]
[Result "1-0"]
[BlackTitle "FM"]
[BlackElo "2297"]
[ECO "A43"]
[Opening "Old Benoni defence"]
[BlackFideId "2029049"]
[EventDate "2011.07.30"]

1. d4 c5 2. c3 Nf6 3. Nf3 g6 4. e3 b6 5. Bd3 Bb7 6. Nbd2 Bg7 7. O-O O-O 8. Qe2
d6 9. b3 e5 10. dxe5 dxe5 11. e4 Nc6 12. Bb2 Qe7 13. Rad1 Nh5 14. Nc4 Nf4 15.
Qc2 Rad8 16. Be2 Ba6 17. Bc1 Nxe2+ 18. Qxe2 Na5 19. Nfd2 Bh6 20. Qf3 Bxd2 21.
Bxd2 Nxc4 22. bxc4 Bxc4 23. Rfe1 Rd3 24. Re3 Rfd8 25. Rxd3 Rxd3 26. Be3 Rxd1+
27. Qxd1 Bxa2 28. Qd3 Be6 29. h3 Qd7 30. Qe2 f6 31. Qf3 Kg7 32. Qg3 a5 33. f4
exf4 34. Qxf4 a4 35. e5 f5 36. Qh4 a3 37. Qf6+ Kg8 38. Bh6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "2"]
[White "Rosenthal, Nicholas"]
[Black "Nakamura, Hikaru"]
[Result "0-1"]
[BlackTitle "GM"]
[BlackElo "2770"]
[ECO "B40"]
[Opening "Sicilian defence"]
[WhiteFideId "2045150"]
[BlackFideId "2016192"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O Nge7 7. Re1 d5 8. Nbd2
O-O 9. h4 e5 10. Nh2 h6 11. exd5 Nxd5 12. Ne4 b6 13. Nc3 Nxc3 14. bxc3 Qd6 15.
Ng4 h5 16. Ne3 Bd7 17. Rb1 Rae8 18. Nc4 Qc7 19. Qf3 Kh7 20. a4 Nd8 21. Ra1 Bc6
22. Qd1 f5 23. f4 Bxg2 24. Kxg2 Qc6+ 25. Kh2 exf4 26. gxf4 Bxc3 27. Rxe8 Rxe8
28. Bb2 Bxb2 29. Nxb2 Qf6 30. Nc4 Qxh4+ 31. Kg2 Ne6 32. Qf3 Nxf4+ 33. Kf1 Qg4
34. Qb7+ Kh6 35. Nd6 Qh3+ 36. Kg1 Ne2+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Gareev, Timur"]
[Black "Qi, Richard"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2613"]
[ECO "D35"]
[Opening "QGD"]
[Variation "exchange, positional line, 5...c6"]
[WhiteFideId "14200937"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Be6 8. Bd3
Nbd7 9. f4 Nb6 10. Nf3 Bg4 11. Qd2 Bxf3 12. gxf3 g6 13. O-O-O Be7 14. Kb1 Nc4
15. Bxc4 dxc4 16. e4 Qc7 17. f5 g5 18. Bg3 Qd7 19. Qe2 b5 20. d5 Nh5 21. Be5 f6
22. f4 Nxf4 23. Bxf4 gxf4 24. Qh5+ Kf8 25. Rhg1 Bc5 26. Rg6 Qf7 27. dxc6 Re8 28.
Rd7 Re7 29. Rd8+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Duffy, George T"]
[Black "Zhao, Art"]
[Result "0-1"]
[ECO "B95"]
[Opening "Sicilian"]
[Variation "Najdorf, 6...e6"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Bg5 Be7 8. Qd3
Qc7 9. Be2 Nbd7 10. O-O-O b5 11. f4 Bb7 12. Rhe1 b4 13. Na4 Bxe4 14. Qb3 O-O 15.
Bf3 Bxf3 16. Nxf3 Rac8 17. h4 h6 18. Bxf6 Nxf6 19. Re2 a5 20. Nh2 d5 21. Qe3 Bd6
22. g3 Ne4 23. Ng4 Nxg3 24. Nxh6+ Kh8 25. Rf2 Ne4 26. Rg2 Bxf4 27. Rxg7 Qxc2# 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Levison, Joshua"]
[Black "Babapour, Behrouz"]
[Result "1-0"]
[ECO "B50"]
[Opening "Sicilian"]
[BlackFideId "2025558"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d3 Nc6 5. Be3 e5 6. Be2 Be7 7. O-O Nd4 8. Bxd4
cxd4 9. Nd5 Nxd5 10. exd5 Qa5 11. Qd2 Qxd5 12. Ng5 Bxg5 13. Qxg5 O-O 14. f4 f6
15. Qh4 Bd7 16. fxe5 dxe5 17. Bf3 Qe6 18. Bxb7 Rab8 19. Be4 f5 20. Bf3 Rxb2 21.
Qh3 e4 22. dxe4 fxe4 23. Qxe6+ Bxe6 24. Bxe4 Rxf1+ 25. Kxf1 Bxa2 26. Rxa2 Rb1+
27. Kf2 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "4"]
[White "Qi, Eric"]
[Black "Riley, Harold Ed"]
[Result "1-0"]
[ECO "C41"]
[Opening "Philidor"]
[Variation "exchange variation"]
[WhiteFideId "2034212"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 c5 5. Nf3 Nc6 6. Nc3 Be6 7. Bf4 h6 8. h3
a6 9. a4 Be7 10. Nd5 Nf6 11. Nc3 O-O 12. Be2 Nh7 13. Nd5 Re8 14. Nxe7+ Rxe7 15.
O-O Rd7 16. c3 Qf6 17. Bg3 Ne5 18. Nd2 Ng6 19. f4 Bxh3 20. gxh3 Ne7 21. Kh2 Re8
22. Bg4 Rdd8 23. Qb3 Ng6 24. Qd5 Re7 25. e5 dxe5 26. Qxd8+ Nhf8 27. fxe5 Qg5 28.
Rae1 Qxd2+ 29. Qxd2 b5 30. axb5 axb5 31. Qd8 b4 32. e6 f6 33. Bd6 h5 34. Bxh5
Kh7 35. Bxe7 bxc3 36. bxc3 c4 37. Bxf8 Ne5 38. Qe7 Nf3+ 39. Rxf3 Kh6 40. Qxg7+
Kxh5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Sundararajan, Kidambi"]
[Black "Naroditsky, Daniel"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2491"]
[BlackElo "2451"]
[ECO "E60"]
[Opening "King's Indian"]
[Variation "3.g3"]
[WhiteFideId "5005370"]
[BlackFideId "2026961"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nc6 7. Nc3 Rb8 8. h3 a6
9. e4 b5 10. cxb5 axb5 11. Re1 e5 12. dxe5 Nxe5 13. Nxe5 dxe5 14. Be3 Be6 15.
Qc2 c6 16. b3 Nd7 17. a4 bxa4 18. bxa4 Qa5 19. Bd2 Qa8 20. Be3 Qa5 21. Bd2 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Zapata, Alonso"]
[Black "Kaufman, Larry C"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2472"]
[BlackElo "2406"]
[ECO "C90"]
[Opening "Ruy Lopez"]
[Variation "closed (with ...d6)"]
[WhiteFideId "4400011"]
[BlackFideId "2000555"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. a4 Bd7 10. d4 h6 11. h3 Re8 12. Nbd2 Bf8 13. Bc2 exd4 14. Nxd4 Ne7 15.
Nf1 c5 16. Ne2 Ng6 17. Nf4 Ne5 18. Ne3 Bc6 19. Ned5 Nxd5 20. Nxd5 Nd7 21. Bf4
Nf6 22. Qd3 Bxd5 23. exd5 Qd7 24. Qf3 Rxe1+ 25. Rxe1 Re8 26. Ra1 Qe7 27. axb5
axb5 28. b3 g6 29. Bd3 Rb8 30. Kf1 b4 31. c4 Re8 32. g4 Nh7 33. Kg2 Ng5 34. Qe3
Qd8 35. Qd2 Qf6 36. Ra6 Qd8 37. f3 Qf6 38. h4 Nh7 39. Bg3 Qd4 40. Bf2 Qe5 41.
Qc2 Qg7 42. Ra7 Be7 43. Bg3 Qf6 44. h5 Nf8 45. hxg6 Nxg6 46. Bxg6 fxg6 47. Qe4
Kf7 48. Qf4 Qxf4 49. Bxf4 Rd8 50. Bxh6 Ke8 51. Rxe7+ Kxe7 52. Bg5+ Kd7 53. Bxd8
Kxd8 54. g5 Ke7 55. Kg3 Kf7 56. Kg4 Ke7 57. f4 Kf7 58. f5 Kg7 59. fxg6 Kxg6 60.
Kf4 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Adams, Nick A."]
[Black "Mu, Joshua"]
[Result "1-0"]
[WhiteElo "2240"]
[BlackElo "2145"]
[ECO "A21"]
[Opening "English opening"]
[WhiteFideId "2009358"]
[BlackFideId "2024420"]
[EventDate "2011.07.30"]

1. c4 e5 2. Nc3 d6 3. g3 f5 4. Bg2 Nf6 5. d3 Be7 6. e3 O-O 7. Nge2 c6 8. a3 Na6
9. b4 Bd7 10. O-O Qe8 11. f4 Qh5 12. Rb1 Nc7 13. c5 Ncd5 14. Nxd5 cxd5 15. Nc3
Qxd1 16. Rxd1 Be6 17. Nb5 Ne8 18. cxd6 Bxd6 19. Nxd6 Nxd6 20. fxe5 Nf7 21. Bb2
g5 22. Rbc1 Rac8 23. Bd4 b6 24. a4 Nh8 25. a5 bxa5 26. bxa5 a6 27. Bc5 Rfe8 28.
d4 Ng6 29. Bf1 Ra8 30. Rb1 Reb8 31. Rdc1 f4 32. exf4 gxf4 33. Bd3 Nf8 34. gxf4 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Terrie, Henry L"]
[Black "Antler, Arthur S"]
[Result "1-0"]
[WhiteElo "2075"]
[BlackElo "1968"]
[ECO "A55"]
[Opening "Old Indian"]
[Variation "main line"]
[WhiteFideId "2004127"]
[BlackFideId "2025540"]
[EventDate "2011.07.30"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 d6 4. d4 Nbd7 5. e4 c6 6. Be2 g6 7. O-O Bg7 8. d5
cxd5 9. cxd5 O-O 10. Nd2 a6 11. Nc4 Nc5 12. f3 b5 13. Ne3 Nh5 14. b4 Nd7 15. g3
Nf4 16. a4 Nxe2+ 17. Qxe2 bxa4 18. Nc4 Nb6 19. Na5 Bd7 20. Be3 f5 21. Rfc1 f4
22. Bf2 fxg3 23. hxg3 Bh6 24. Rc2 Kh8 25. Nc6 Qc7 26. b5 Bxc6 27. dxc6 Rab8 28.
bxa6 Qxc6 29. Nd5 Qd7 30. Nxb6 Qh3 31. a7 Rxb6 32. Bxb6 Qxg3+ 33. Qg2 Qf4 34.
Rxa4 Qh4 35. Bf2 Be3 36. Bxe3 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Zhao, Audrey Jin Nin"]
[Black "Fishbein, Matthew E"]
[Result "0-1"]
[ECO "E43"]
[Opening "Nimzo-Indian"]
[Variation "Fischer variation"]
[BlackFideId "2055783"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. a3 Bxc3+ 7. bxc3 O-O 8. Bd3
c5 9. O-O d5 10. a4 Qc8 11. cxd5 exd5 12. Ba3 Re8 13. Rb1 Nbd7 14. Bf5 Ba6 15.
Re1 Qc6 16. Qc2 Ne4 17. Red1 Ndf6 18. Ne5 Qc7 19. f3 Nd6 20. Bd3 Bc8 21. c4 cxd4
22. exd4 dxc4 23. Bxd6 Qxd6 24. Bxc4 Be6 25. Bb5 Rec8 26. Qe2 Nd5 27. Qd3 Nc3
28. Bc6 Rxc6 29. Nxc6 Nxb1 30. d5 Bd7 31. Qxb1 Bxc6 32. dxc6 Qc5+ 33. Kf1 Qxc6
34. Qd3 Qxa4 35. Qd8+ Qe8 36. Qc7 g6 37. Rd7 Rc8 38. Re7 Qb5+ 39. Kf2 Rxc7 40.
Rxc7 Qc5+ 41. Rxc5 bxc5 42. Ke3 a5 43. Kd3 Kg7 44. g3 Kf6 45. Kc4 a4 46. h4 Ke5
47. g4 Kf4 48. h5 Kxf3 49. hxg6 fxg6 50. g5 Ke4 51. Kc3 Ke3 52. Kc4 Kd2 53. Kxc5
a3 54. Kd5 a2 55. Ke6 a1=Q 56. Kf7 Qe5 57. Kg8 Qe7 58. Kh8 h6 59. gxh6 Qf7 60.
h7 Qf8# 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Hatcher, James Varqa"]
[Black "Levison, Joshua"]
[Result "1-0"]
[ECO "A05"]
[Opening "Reti opening"]
[EventDate "2011.07.30"]

1. Nf3 Nf6 2. g3 Nc6 3. Bg2 d5 4. O-O e6 5. d3 Be7 6. Nbd2 O-O 7. e4 Qd6 8. Re1
Ng4 9. h3 Nge5 10. Nxe5 Nxe5 11. d4 Nc6 12. e5 Qd7 13. c3 f6 14. exf6 Rxf6 15.
Nf3 Bd6 16. h4 Qe8 17. Bh3 e5 18. Bxc8 Rxc8 19. dxe5 Nxe5 20. Nxe5 Bxe5 21.
Qxd5+ Re6 22. Rxe5 Rd8 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Nakamura, Hikaru"]
[Black "Fernandez, Daniel"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2770"]
[BlackElo "2401"]
[ECO "D10"]
[Opening "QGD Slav defence"]
[WhiteFideId "2016192"]
[BlackFideId "2015390"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 a6 5. Bd2 e6 6. Nf3 c5 7. Qc2 Nc6 8. dxc5
Bxc5 9. Rd1 Qe7 10. a3 O-O 11. Bd3 dxc4 12. Bxc4 b5 13. Ba2 Bb7 14. O-O Rac8 15.
b4 Bd6 16. Qb2 Ng4 17. h3 Nce5 18. Nxe5 Nxe5 19. f4 Nc4 20. Bxc4 Rxc4 21. Ne2
Rfc8 22. Bc3 Bd5 23. Rd2 f6 24. Bd4 Qc7 25. Rfd1 Be7 26. Ng3 Rc2 27. Rxc2 Qxc2
28. Rd2 Qc1+ 29. Kh2 Qxb2 30. Bxb2 Rc4 31. Ne2 Kf7 32. Kg3 h6 33. Kf2 a5 34.
bxa5 b4 35. axb4 Bxb4 36. Rd4 Bxa5 37. Rxc4 Bxc4 38. Nd4 Bb6 39. Nf3 Bd5 40. g4
Bxf3 41. Kxf3 f5 42. e4 g6 43. Bc3 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Gareev, Timur"]
[Black "Boas, Toby"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2613"]
[BlackElo "2199"]
[ECO "A57"]
[Opening "Benko gambit half accepted"]
[WhiteFideId "14200937"]
[BlackFideId "2038838"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 a5 6. Nc3 Ba6 7. Nf3 d6 8. Qa4+
Nbd7 9. g4 h6 10. h4 Qxb6 11. a3 Rb8 12. Bh3 Bb5 13. Qd1 h5 14. g5 Ng4 15. g6 f6
16. O-O Bc4 17. Bf4 Qb3 18. Qd2 Nb6 19. Rfd1 e5 20. dxe6 Bxe6 21. Qd3 Nc4 22.
Qe4 Nce5 23. Nd5 f5 24. Nc7+ Ke7 25. Bg5+ Kd7 26. Nxe5+ Nxe5 27. Nxe6 fxe4 28.
Nxc5+ Kc6 29. Nxb3 Rxb3 30. Be6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Kustanovich, Michael"]
[Black "Kacheishvili, Giorgi"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2242"]
[BlackElo "2582"]
[ECO "E10"]
[Opening "Queen's pawn game"]
[WhiteFideId "2804301"]
[BlackFideId "13600613"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. Qc2 c6 8. O-O
b6 9. Bf4 Bb7 10. Rd1 Nbd7 11. Nbd2 Nh5 12. Ne5 Rc8 13. Qa4 Nxf4 14. gxf4 a6 15.
cxd5 b5 16. Qb3 cxd5 17. a4 Nxe5 18. dxe5 Bc6 19. Qd3 bxa4 20. Qxa6 Qd7 21. e3
Bb5 22. Qa5 Ra8 23. Qb6 Rfb8 24. Qd4 Be2 25. Rdc1 Rb4 26. Qc3 Rab8 27. Ra2 Bf8
28. Qc2 Qb5 29. Bf1 Bxf1 30. Nxf1 h5 31. Qd1 h4 32. Rca1 Ra8 33. h3 d4 34. Nh2
Bc5 35. Ng4 dxe3 36. fxe3 Rxf4 37. Kh2 Bxe3 38. b3 Bd4 39. Rxa4 Rxa4 40. Rxa4
Qd5 41. Qe1 Re4 42. Qf1 Bxe5+ 43. Nxe5 Qxe5+ 44. Kg2 Qg3+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Perrine, Dalton"]
[Black "Becerra Rivero, Julio"]
[Result "0-1"]
[BlackTitle "GM"]
[BlackElo "2557"]
[ECO "E63"]
[Opening "King's Indian"]
[Variation "fianchetto, Panno variation"]
[WhiteFideId "2048434"]
[BlackFideId "3501728"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 8. h3 Rb8
9. Qc2 e5 10. dxe5 dxe5 11. Rd1 Nd4 12. Nxd4 exd4 13. e3 Bf5 14. Qb3 Qc8 15.
exd4 Bxh3 16. Bf4 b5 17. cxb5 Bxg2 18. Kxg2 axb5 19. Rac1 Qb7+ 20. Kg1 Rfe8 21.
Be5 Ng4 22. Bxg7 Qf3 23. Ne4 Qxe4 24. Rxc7 Qf5 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Studen, Damir"]
[Black "Gelashvili, Tamaz"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2239"]
[BlackElo "2616"]
[ECO "D38"]
[Opening "QGD"]
[Variation "Ragozin variation"]
[WhiteFideId "2009129"]
[BlackFideId "13600702"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. Ne5 Bd7 7. Nxd7 Qxd7 8.
e3 O-O 9. Bd3 e5 10. O-O exd4 11. Nxd5 Nxd5 12. cxd5 Qxd5 13. exd4 Qxd4 14. Rd1
Qf6 15. Qb5 a6 16. Qxb7 Ra7 17. Bg5 Qe6 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Bartholomew, John"]
[Black "Miller, Jake S"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2442"]
[BlackElo "2037"]
[ECO "A56"]
[Opening "Benoni defence, Hromodka system"]
[WhiteFideId "2019353"]
[BlackFideId "2040883"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Bd3 O-O 7. h3 e6 8. Nf3 exd5
9. cxd5 Re8 10. O-O c4 11. Bxc4 Nxe4 12. Nxe4 Rxe4 13. Bd3 Re8 14. Bg5 Qb6 15.
Re1 Bd7 16. Nd2 Na6 17. Nc4 Rxe1+ 18. Qxe1 Qd4 19. Rd1 Qxd5 20. Bf4 Re8 21. Qf1
Qd4 22. Bg3 Qf6 23. Nxd6 Re7 24. Nxb7 Ba4 25. b3 Rxb7 26. Bxa6 Rb6 27. Bc4 Be8
28. Qe2 Kf8 29. Bc7 Rc6 30. Ba5 Qe5 31. Bb4+ Kg8 32. Qxe5 Bxe5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Hansen, Lars Bo"]
[Black "Zhao, Art"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2578"]
[ECO "A08"]
[Opening "Reti"]
[Variation "King's Indian attack"]
[WhiteFideId "1400037"]
[EventDate "2011.07.30"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 5. O-O e6 6. c4 Bd6 7. cxd5 exd5 8. Nc3
h6 9. b3 O-O 10. Bb2 Be6 11. Nb5 Be7 12. dxc5 Bxc5 13. Nbd4 Bg4 14. Nxc6 bxc6
15. Ne5 Qd6 16. Rc1 Rac8 17. Nxg4 Nxg4 18. Bd4 Bxd4 19. Qxd4 Nf6 20. Qc5 Qe6 21.
e3 Rc7 22. Rfd1 Rfc8 23. Rd4 Nd7 24. Qc2 Nf6 25. Qc5 Nd7 26. Qa5 Nb6 27. Rcd1 f5
28. h3 h5 29. Qa6 g5 30. a4 Re8 31. a5 Nd7 32. Rxd5 Nf6 33. Rd6 Qxb3 34. Bxc6
Rec8 35. Bf3 Rc1 36. Rxf6 Rxd1+ 37. Bxd1 Qxd1+ 38. Kh2 Rc1 39. Qe6+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Davila Blanco, Juan Jose"]
[Black "Breum, Erik Franklin"]
[Result "1-0"]
[ECO "B08"]
[Opening "Pirc"]
[Variation "classical system, 5.Be2"]
[EventDate "2011.07.30"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. h3 Nbd7 7. O-O c6 8. Re1
Qc7 9. Bg5 e5 10. dxe5 Nxe5 11. Nxe5 dxe5 12. Qc1 b5 13. b4 a5 14. a3 Ba6 15. f4
c5 16. Nxb5 Bxb5 17. Bxb5 cxb4 18. axb4 Qb6+ 19. Kh1 Qxb5 20. fxe5 Qxe5 21. Bf4
Qd4 22. c3 Qc4 23. bxa5 Nxe4 24. Qc2 Nc5 25. Bd6 Rfe8 26. Reb1 Re2 27. Rb4 Rxc2
28. Rxc4 Rxc3 29. Rxc3 Bxc3 30. Rc1 Ne4 31. Rd1 Nf2+ 32. Kg1 Nxd1 33. Kf1 Bxa5
34. Ke2 Re8+ 35. Kxd1 Rd8 36. Kc2 Rxd6 37. Kb3 Be1 38. Kc4 Rd2 39. Kb3 Rxg2 40.
h4 Bxh4 41. Kb4 f5 42. Kb5 f4 43. Kb4 f3 44. Kb5 Rc2 45. Kb4 f2 46. Kb3 Rc8 47.
Kb2 f1=Q 48. Ka3 Qb5 49. Ka2 Ra8# 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Finegold, Spencer"]
[Black "Dean, Jim H."]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[WhiteElo "2037"]
[BlackElo "2272"]
[ECO "B12"]
[Opening "Caro-Kann"]
[Variation "advance variation"]
[WhiteFideId "2047527"]
[BlackFideId "2012340"]
[EventDate "2011.07.30"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c4 Nc6 5. Nf3 Bg4 6. cxd5 Bxf3 7. Qxf3 Nxd4 8. Qd1
Qxd5 9. Bb5+ Kd8 10. O-O e6 11. Nc3 Qxe5 12. Re1 Qd6 13. Be3 Nf6 14. Bxd4 cxd4
15. Qf3 Qb6 16. Red1 Bd6 17. Bc4 Ke7 18. Nb5 Rhd8 19. Nxd4 Rac8 20. Bb3 Be5 21.
Nc2 Rxd1+ 22. Qxd1 Qd6 23. Qf3 Bxh2+ 24. Kh1 Be5 25. Qxb7+ Rc7 26. Qf3 Bxb2 27.
Rd1 Qc6 28. Qe2 Rd7 29. Re1 Bc3 30. Rc1 Qe4 31. Ne3 Be5 32. Kg1 h5 33. Rc4 Rd4
34. Bc2 Rxc4 35. Bxe4 Rxe4 36. f3 Rf4 37. g3 Rb4 38. Nf5+ Kf8 39. Qxe5 Rb1+ 40.
Kf2 exf5 41. a4 Kg8 42. a5 Rb7 43. Qxf5 Rc7 44. a6 Rd7 45. Ke2 Rd6 46. g4 hxg4
47. fxg4 g6 48. Qc8+ Kg7 49. g5 Re6+ 50. Kf1 Nd5 51. Qb7 Nc7 52. Qxc7 Rxa6 53.
Qc3+ Kh7 54. Qh3+ Kg7 55. Qc3+ Kh7 56. Qc4 Re6 57. Qc7 Kg7 58. Qxa7 Kg8 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Strenzwilk, Denis"]
[Black "Blair, David A"]
[Result "1-0"]
[WhiteElo "2026"]
[ECO "B03"]
[Opening "Alekhine's defence"]
[Variation "four pawns attack, 7.Be3"]
[WhiteFideId "2006677"]
[BlackFideId "2043190"]
[EventDate "2011.07.30"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3
e6 9. Nf3 Be7 10. d5 exd5 11. cxd5 Nb4 12. Nd4 Bd7 13. e6 fxe6 14. dxe6 Bc6 15.
Qg4 Bh4+ 16. g3 O-O 17. O-O-O Bxh1 18. gxh4 Qf6 19. Bb5 Bf3 20. Nxf3 Qxf3 21.
Qxf3 Rxf3 22. Bxb6 axb6 23. e7 Nd3+ 24. Bxd3 Kf7 25. Be4 Rxc3+ 26. bxc3 Kxe7 27.
Kb2 Rf8 28. Rd2 Rf4 29. Bxh7 Rxh4 30. Bf5 Kf6 31. Bc8 g5 32. Bxb7 Rc4 33. Bc8
Rc5 34. Rf2+ Kg6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Mitkov, Nikola"]
[Black "Gallegos, Paul"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2527"]
[BlackElo "2086"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "15000290"]
[BlackFideId "2007274"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nc3 e6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 a6 6. Bd3 Nf6 7. O-O Be7 8. f4
Nbd7 9. Kh1 Qc7 10. Bd2 Nb6 11. Qe2 Bd7 12. a4 Rc8 13. b3 Qc5 14. Nf3 Qh5 15. a5
Na8 16. e5 dxe5 17. fxe5 Bb4 18. exf6 Bxc3 19. Bxc3 Rxc3 20. Qd2 Rc7 21. Ng5 Bc6
22. fxg7 Rg8 23. Nxh7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Myers, Dominique"]
[Black "Kelley, Dereque D"]
[Result "0-1"]
[WhiteElo "2109"]
[BlackElo "2203"]
[ECO "C28"]
[Opening "Vienna game"]
[WhiteFideId "2041715"]
[BlackFideId "2038439"]
[EventDate "2011.07.30"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 Nc6 4. d3 Na5 5. Nge2 Nxc4 6. dxc4 d6 7. Bg5 Be7 8.
Qd2 Be6 9. b3 h6 10. Bh4 O-O 11. O-O Qd7 12. Bg3 Nh5 13. Rad1 Rad8 14. Qe3 Nxg3
15. Nxg3 b6 16. f3 c6 17. Kh1 Bg5 18. Qd3 g6 19. Rf2 Qe7 20. Nf1 Bf6 21. Ne3 Bg7
22. Rfd2 f5 23. a4 f4 24. Ng4 h5 25. Nf2 g5 26. Qe2 a5 27. Rd3 Rf6 28. Qd2 Bf8
29. Ne2 Qa7 30. Qc3 Rd7 31. Nh3 Rg6 32. Qd2 Rf7 33. Nf2 b5 34. Nxf4 gxf4 35.
cxb5 cxb5 36. axb5 Rfg7 37. Rg1 h4 38. h3 Rg3 39. c4 Bxh3 40. Nxh3 Rxh3+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Esserman, Marc"]
[Black "Van Wely, Loek"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2453"]
[BlackElo "2683"]
[ECO "B21"]
[Opening "Sicilian"]
[Variation "Smith-Morra gambit"]
[WhiteFideId "2018616"]
[BlackFideId "1000268"]
[EventDate "2011.07.30"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 a6 7. O-O Nge7 8.
Bg5 f6 9. Be3 Ng6 10. Bb3 b5 11. Nd5 exd5 12. exd5 Nce5 13. d6 Bb7 14. Nxe5 fxe5
15. f4 Qf6 16. fxe5 Qxe5 17. Bg5 Be7 18. Bf7+ Kd8 19. dxe7+ Nxe7 20. Qd2 Kc8 21.
Rac1+ Nc6 22. Rfd1 Qf5 23. Bf4 Qxf7 24. Qd6 Kd8 25. Rxc6 Bxc6 26. Qxc6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Ramirez, Alejandro"]
[Black "Mulyar, Michael A."]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2592"]
[BlackElo "2410"]
[ECO "A13"]
[Opening "English opening"]
[Variation "Agincourt variation"]
[WhiteFideId "6500617"]
[BlackFideId "2008742"]
[EventDate "2011.07.30"]

1. Nf3 d5 2. c4 e6 3. b3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O c5 7. e3 b6 8. Bb2 Bb7
9. Qe2 Nc6 10. Rd1 Qc7 11. Nc3 dxc4 12. bxc4 Rac8 13. Rac1 Rfd8 14. d4 Na5 15.
Nb5 Qb8 16. d5 exd5 17. Be5 Qa8 18. Nc7 Rxc7 19. Bxc7 Rc8 20. cxd5 Bxd5 21. Be5
c4 22. Bc3 Ba3 23. Rc2 Be4 24. Bxf6 gxf6 25. Nh4 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Barnett, Alexander"]
[Black "Shabalov, Alexander"]
[Result "1/2-1/2"]
[BlackTitle "GM"]
[WhiteElo "2254"]
[BlackElo "2577"]
[ECO "B92"]
[Opening "Sicilian"]
[Variation "Najdorf, Opovcensky variation"]
[WhiteFideId "2019906"]
[BlackFideId "2008572"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. O-O
Be7 9. Kh1 O-O 10. f4 Qc7 11. a4 Nbd7 12. Be3 exf4 13. Bxf4 Rfe8 14. Nd4 Ne5 15.
Bxe5 dxe5 16. Nxe6 fxe6 17. Qd3 Bb4 18. Na2 Bc5 19. Qc4 Rac8 20. b3 Qc6 21. Rae1
Qxe4 22. Bd3 Qd4 23. Qxd4 Bxd4 24. Nc1 Ng4 25. h3 Nf2+ 26. Kh2 Nxd3 27. Nxd3
Rxc2 28. Nxe5 Rc3 29. Nf3 Be3 30. Ne5 Rf8 31. Rxf8+ Kxf8 32. Rf1+ Ke8 33. Rf3
Bd4 34. Nc4 Kd7 35. Rf7+ Kc6 36. Na5+ Kd5 37. Rxb7 Be5+ 38. Kg1 Bc7 39. b4 Ke4
40. Kf2 Rc2+ 41. Ke1 Bxa5 42. bxa5 Rxg2 43. Rb6 e5 44. Rxa6 Ke3 45. Kf1 Ra2 46.
Ra7 g5 47. Rxh7 Rxa4 48. Rg7 Kf3 49. Rf7+ Ke4 50. Rg7 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Lenderman, Aleksandr"]
[Black "Sarkar, Justin"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2525"]
[BlackElo "2376"]
[ECO "D37"]
[Opening "QGD"]
[Variation "classical variation (5.Bf4)"]
[WhiteFideId "2021285"]
[BlackFideId "2010011"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. c5 Ne4 8. Qc2
g5 9. Bg3 f5 10. Nxe4 dxe4 11. Nd2 f4 12. Nxe4 Rf7 13. O-O-O Nf8 14. Be2 fxg3
15. hxg3 Bd7 16. d5 exd5 17. Rxd5 c6 18. Rdd1 Qc8 19. Rh5 Rg7 20. Nd6 Bxd6 21.
Rxd6 Bg4 22. Qc4+ Be6 23. Qc3 Bf7 24. Rhh6 Qe8 25. b3 Qe7 26. Rhf6 Nd7 27. Rf5
Re8 28. Qd4 Bg6 29. Bc4+ Kh8 30. Rxg6 hxg6 31. Rf7 Qe5 32. Rxd7 Rxd7 33. Qxd7
Qa1+ 34. Kc2 Qxa2+ 35. Kc1 Qa1+ 36. Kc2 Qa2+ 37. Kc1 Qa1+ 38. Kc2 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Vibbert, Sean"]
[Black "Sadorra, Julio Catalino"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2159"]
[BlackElo "2495"]
[ECO "C15"]
[Opening "French"]
[Variation "Winawer, Alekhine (Maroczy) gambit"]
[WhiteFideId "2030292"]
[BlackFideId "5201268"]
[EventDate "2011.07.30"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 Nf6 5. e5 Nfd7 6. a3 Be7 7. g3 c5 8. f4 Nc6
9. dxc5 Bxc5 10. b4 Bb6 11. Nb5 O-O 12. Nbd4 a5 13. b5 Nxd4 14. Nxd4 Nc5 15. Be3
Bd7 16. a4 f6 17. exf6 Qxf6 18. Bg2 e5 19. Ne2 Kh8 20. Qxd5 exf4 21. Bd4 Qe7 22.
O-O-O Be6 23. Qf3 Rac8 24. Bb2 Nxa4 25. Qxb7 Rxc2+ 26. Kxc2 Bf5+ 27. Kc1 Be3+
28. Rd2 Qc5+ 29. Kd1 Nxb2+ 30. Rxb2 Rd8+ 31. Ke1 Bf2+ 32. Kf1 Rd1# 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Shvartsman, Andrew Nathaniel"]
[Black "Gurevich, Dmitry"]
[Result "1/2-1/2"]
[WhiteTitle "CM"]
[BlackTitle "GM"]
[WhiteElo "2209"]
[BlackElo "2479"]
[ECO "B63"]
[Opening "Sicilian"]
[Variation "Richter-Rauzer, Rauzer attack, 7...Be7"]
[WhiteFideId "2006111"]
[BlackFideId "2000407"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8.
O-O-O O-O 9. f3 Nxd4 10. Qxd4 a6 11. h4 b5 12. g4 Bb7 13. Be3 Rc8 14. g5 Nd7 15.
f4 Qa5 16. Kb1 b4 17. Ne2 Qc5 18. Rd2 Qxd4 19. Rxd4 Nc5 20. Bg2 a5 21. Ng3 f5
22. gxf6 Rxf6 23. h5 Rcf8 24. Rg1 Rxf4 25. Bxf4 Rxf4 26. Ne2 Rf2 27. Nc1 e5 28.
Rdd1 Nxe4 29. Nd3 Rf5 30. Rge1 Nc3+ 31. bxc3 Bxg2 32. cxb4 axb4 33. Nxb4 Rxh5
34. Nd5 Bh4 35. Rg1 Bf3 36. Rd2 Bg5 37. Rd3 Be4 38. Rdd1 Bf3 39. Rd3 e4 40. Rb3
h6 41. a4 Bh4 42. Rb7 Rg5 43. Rxg5 Bxg5 44. a5 e3 45. Rb8+ Kh7 46. Nxe3 Bxe3 47.
Rb3 Bd2 48. Rxf3 Bxa5 49. Kc1 g5 50. Rf6 Bb4 51. Kd1 Kg7 52. Re6 h5 53. Ke2 h4 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Gater, Daniel"]
[Black "Kleiman, Jake"]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "2136"]
[BlackElo "2375"]
[ECO "E00"]
[Opening "Catalan opening"]
[WhiteFideId "2050374"]
[BlackFideId "2020041"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 d5 6. Bg2 c6 7. Nf3 Nbd7 8.
O-O O-O 9. Rc1 b6 10. b4 Ba6 11. Na3 Qe7 12. Qb2 Rfc8 13. b5 Bb7 14. cxd5 cxd5
15. Nc2 Ne4 16. Nb4 Nd6 17. Nc6 Bxc6 18. bxc6 Nb8 19. c7 Na6 20. Ne5 f6 21. Nc6
Qd7 22. Qa3 Nxc7 23. Nb4 Ncb5 24. Qd3 Rxc1+ 25. Rxc1 Rc8 26. Rb1 a5 27. Nc2 Rc3
28. Qd2 Qc6 29. Ne3 Nc4 30. Nxc4 Rxc4 31. e3 Nc3 32. Ra1 f5 33. Bf1 Ne4 34. Qd1
Rc2 35. f3 Ng5 36. h4 Rd2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Battaglini, Gabriel"]
[Black "Xu, Grant Y"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2407"]
[BlackElo "2123"]
[ECO "E20"]
[Opening "Nimzo-Indian"]
[Variation "Romanishin-Kasparov (Steiner) system"]
[WhiteFideId "621650"]
[BlackFideId "2052318"]
[EventDate "2011.07.30"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. g3 O-O 5. Bg2 d5 6. Nf3 Nbd7 7. Qb3 Bxc3+ 8.
Qxc3 c6 9. O-O b6 10. cxd5 cxd5 11. Bf4 Ba6 12. Rfe1 Qe7 13. Nd2 Rac8 14. Qb3
Bb7 15. Rac1 Nh5 16. Be3 Nhf6 17. Qa4 a6 18. Bf4 b5 19. Qa5 Rxc1 20. Rxc1 Rc8
21. Rxc8+ Bxc8 22. Qc7 Qe8 23. e4 dxe4 24. Nxe4 Nxe4 25. Bxe4 Nf6 26. Bc6 Bd7
27. Bb7 Nd5 28. Qa5 Nxf4 29. gxf4 Bc8 30. Qxa6 Bxb7 31. Qxb7 h6 32. b3 Qd8 33.
Qe4 Qa5 34. d5 exd5 35. Qxd5 Qe1+ 36. Kg2 Qe2 37. h3 Qxa2 38. Qxb5 Qa8+ 39. Kg3
Qh1 40. Qd3 Qg1+ 41. Kf3 Qh1+ 42. Ke2 Qc1 43. Qc4 Qh1 44. Qc8+ Kh7 45. Qf5+ Kg8
46. b4 g6 47. Qd3 Qc1 48. Qe4 Kh7 49. Qd4 Qh1 50. Qc4 Kg8 51. b5 Qxh3 52. b6
Qg4+ 53. Ke3 Qh3+ 54. Kd4 Qf3 55. Qc8+ Kg7 56. Qc3 Qxf2+ 57. Kc4+ Kh7 58. b7
Qxf4+ 59. Kb5 Qd6 60. Qc5 Qd3+ 61. Kb6 Qd8+ 62. Kc6 Qf6+ 63. Qd6 Qf3+ 64. Kc7
Qc3+ 65. Kd8 Qa5+ 66. Ke7 Qe1+ 67. Kf8 Qc3 68. b8=Q Qg7+ 69. Ke7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Bowersock, Michael"]
[Black "Gu, Christopher"]
[Result "1-0"]
[WhiteElo "2064"]
[BlackElo "2222"]
[ECO "E28"]
[Opening "Nimzo-Indian"]
[Variation "Saemisch variation"]
[WhiteFideId "2045320"]
[BlackFideId "2059460"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3 b6 7. Bd3 Ba6 8. Ne2
Nc6 9. e4 Ne8 10. Ng3 Na5 11. O-O Bxc4 12. f4 d5 13. f5 Bxd3 14. Qxd3 Nb3 15.
Rb1 Nxc1 16. Rbxc1 dxe4 17. Nxe4 exf5 18. Rxf5 Nd6 19. Rd5 Qe7 20. Nxd6 cxd6 21.
Qg3 Rad8 22. a4 Qe6 23. c4 Rc8 24. Rxd6 Rxc4 25. Rxe6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "High, David L"]
[Black "Zepeda, Lorena"]
[Result "0-1"]
[BlackTitle "WIM"]
[WhiteElo "1879"]
[BlackElo "2187"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Byrne (English) attack"]
[WhiteFideId "2050650"]
[BlackFideId "6700233"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3
Be7 9. g4 O-O 10. Qd2 Nbd7 11. O-O-O b5 12. h4 b4 13. Ne2 a5 14. h5 a4 15. Nbd4
exd4 16. Nxd4 b3 17. a3 bxc2 18. Re1 Nc5 19. g5 Nfd7 20. Qg2 Nb3+ 21. Kxc2 Qa5
22. Nxe6 Qxe1 23. Bc4 Qxe3 24. Nxf8 Nxf8 25. g6 Rc8 26. h6 Rxc4+ 27. Kb1 Rc1+
28. Ka2 Nxg6 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Serna, Jeffrey M"]
[Black "Mandelkern, Jeremy L"]
[Result "1-0"]
[BlackElo "2072"]
[ECO "B07"]
[Opening "Pirc"]
[Variation "Ufimtsev-Pytel variation"]
[WhiteFideId "2068591"]
[BlackFideId "2006006"]
[EventDate "2011.07.30"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Be2 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Bg5 Be6 8.
O-O-O+ Nd7 9. h3 Bc5 10. Nf3 Ke7 11. Rhf1 b5 12. g4 a5 13. Nd5+ Kf8 14. Nc7 Ra7
15. Nxe6+ fxe6 16. Bxf6 gxf6 17. g5 Ke7 18. gxf6+ Kxf6 19. Nh2 Rf8 20. Rd3 Ke7
21. Ng4 b4 22. Rg3 Raa8 23. Rd1 Rad8 24. Nh6 Nf6 25. Rg7+ Ke8 26. Rxd8+ Kxd8 27.
Nf7+ Kc8 28. Nxe5 Bxf2 29. Ba6+ Kd8 30. Nxc6+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Mercer, Richard"]
[Black "Berisha, Enver"]
[Result "1-0"]
[ECO "D63"]
[Opening "QGD"]
[Variation "Orthodox defence, Pillsbury attack"]
[WhiteFideId "2049180"]
[BlackFideId "3600122"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 b6 8. cxd5
exd5 9. Bd3 c5 10. O-O Bb7 11. h3 h6 12. Bf4 a6 13. a4 Re8 14. Bf5 Nf8 15. dxc5
Bxc5 16. Qb3 Bd6 17. Bxd6 Qxd6 18. Rfd1 g6 19. Bb1 Ne6 20. e4 Nc5 21. Qb4 Ncxe4
22. Qxd6 Nxd6 23. Ba2 Nc4 24. b4 Rac8 25. Rd4 Nd6 26. Rdd1 Nc4 27. b5 a5 28.
Bxc4 Rxc4 29. Nd2 Rc7 30. Nce4 Nxe4 31. Rxc7 Nc5 32. Kf1 Bc8 33. Nb1 Bf5 34. Nc3
Bd3+ 35. Kg1 d4 36. Nd5 Bc2 37. Rxd4 Ne6 38. Nf6+ Kf8 39. Nxe8 Nxd4 40. Nd6 Bxa4
41. Rxf7+ Kg8 42. Rb7 Nxb5 43. Nxb5 Bxb5 44. Rxb6 Be8 45. Ra6 a4 46. Ra7 Kf8 47.
Kf1 Bc6 48. g3 Ke8 49. Ke1 Bd7 50. h4 Ke7 51. Ke2 Kd6 52. Kd3 Bc6 53. Kd4 Bd7
54. Ra8 h5 55. Ra6+ Bc6 56. f4 Kc7 57. Kc5 Be8 58. Ra7+ Kc8 59. Kd6 Kb8 60. Re7
Bb5 61. Re4 Kb7 62. Kc5 Bd7 63. Re7 Kc7 64. Rg7 a3 65. Rxg6 Bc8 66. Rd6 a2 67.
Rd1 Bf5 68. Ra1 Be6 69. Kb4 Kd6 70. Ka3 Kc5 71. Rxa2 Bxa2 72. Kxa2 Kd4 73. Kb2
Ke4 74. Kc2 Kf5 75. Kd3 Kg4 76. Ke4 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Dougherty, Colin T"]
[Black "Regam, Jessica"]
[Result "0-1"]
[BlackElo "1819"]
[ECO "E87"]
[Opening "King's Indian"]
[Variation "Saemisch, orthodox, 7.d5"]
[BlackFideId "2033496"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 h6 8. Qd2 Kh7
9. Bd3 a5 10. Nge2 Na6 11. O-O Nc5 12. f4 Nxd3 13. Qxd3 exf4 14. Bxf4 Nd7 15. b3
Nc5 16. Qf3 Qe7 17. Rae1 Re8 18. Ng3 Qf6 19. Nb5 Qd8 20. Qf2 Nd3 21. Qf3 Nxe1
22. Rxe1 Bd7 23. Nc3 Qf6 24. Nce2 Re7 25. Rf1 Qb2 26. a4 Rae8 27. Qd3 Bg4 28.
Bc1 Qe5 29. Bf4 Bxe2 30. Qxe2 Qd4+ 31. Be3 Qc3 32. Rb1 Rxe4 33. Nxe4 Rxe4 34.
Kf2 Bd4 35. Re1 Bxe3+ 36. Qxe3 Rxe3 37. Rxe3 Qd4 38. Ke2 Kg7 39. Rd3 Qb2+ 40.
Ke3 Qxg2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Tyagi, Kushan"]
[Black "Thompson, Buddy"]
[Result "1-0"]
[WhiteElo "2113"]
[BlackElo "1877"]
[ECO "D31"]
[Opening "QGD"]
[Variation "Charousek (Petrosian) variation"]
[WhiteFideId "2040069"]
[BlackFideId "2047772"]
[EventDate "2011.07.30"]

1. c4 e6 2. d4 d5 3. Nc3 Be7 4. Nf3 Nf6 5. cxd5 exd5 6. Bg5 c6 7. Qc2 Nbd7 8. e3
O-O 9. Bd3 Re8 10. O-O Nf8 11. Rab1 Ng6 12. b4 Bg4 13. Nd2 Rc8 14. Rfc1 b6 15.
h3 Be6 16. f4 Bd7 17. f5 Nf8 18. Ba6 Rc7 19. Bf4 Nh5 20. Bxc7 Qxc7 21. Nxd5 Qg3
22. Nf1 Qg5 23. Nxe7+ Rxe7 24. Bd3 Rxe3 25. Qd2 Rg3 26. Qxg5 Rxg5 27. Be4 Nf4
28. Kh2 Ne2 29. Re1 Nxd4 30. Ne3 Nxf5 31. Bxf5 Bxf5 32. Nxf5 Rxf5 33. Rbc1 Rf6
34. Re7 g6 35. Rxa7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Danlag, Donald M."]
[Black "Berry, Frank K"]
[Result "1-0"]
[WhiteElo "2064"]
[BlackElo "1900"]
[ECO "A29"]
[Opening "English"]
[Variation "four knights, kingside fianchetto"]
[WhiteFideId "2013380"]
[BlackFideId "2021633"]
[EventDate "2011.07.30"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 Bxc3 6. bxc3 d6 7. d3 Rb8 8. Rb1
O-O 9. O-O Re8 10. Bg5 h6 11. Bd2 Ne7 12. Nh4 g5 13. Nf3 Ng6 14. Ne1 Kg7 15. e3
Bg4 16. f3 Bd7 17. f4 exf4 18. exf4 g4 19. Nc2 Bf5 20. Be3 c5 21. Bf2 Qa5 22.
Ne3 Rxe3 23. Bxe3 Qxc3 24. Rb3 Qa5 25. Bd2 Qd8 26. Bc3 Kh7 27. Rxb7 Rxb7 28.
Bxb7 Qe7 29. Bg2 Qe3+ 30. Kh1 Nd7 31. Re1 Qxd3 32. Qxd3 Bxd3 33. Rd1 Bxc4 34.
Rxd6 Be6 35. Be4 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Ewing, Gabriel R"]
[Black "Mathys, David A."]
[Result "0-1"]
[BlackElo "2005"]
[ECO "A10"]
[Opening "English opening"]
[WhiteFideId "2061880"]
[BlackFideId "2009757"]
[EventDate "2011.07.30"]

1. c4 g6 2. Nc3 Nf6 3. g3 Bg7 4. Bg2 O-O 5. e4 d6 6. Nge2 c5 7. O-O Nc6 8. a3 a6
9. Rb1 Bd7 10. d3 Rb8 11. b4 cxb4 12. axb4 b5 13. c5 dxc5 14. bxc5 e5 15. f4 b4
16. fxe5 bxc3 17. Rxb8 Nxb8 18. exf6 Bxf6 19. d4 Bb5 20. d5 Nd7 21. Be3 Bg7 22.
Rf2 Ne5 23. Nd4 Qc8 24. Nxb5 axb5 25. c6 Ng4 26. Bc5 Nxf2 27. Kxf2 Rd8 28. Bb6
Rd6 29. Bd4 Bxd4+ 30. Qxd4 Qxc6 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Rich, Tony D"]
[Black "Pabon, Tony"]
[Result "1/2-1/2"]
[BlackElo "1627"]
[ECO "B07"]
[Opening "Pirc"]
[Variation "Byrne variation"]
[WhiteFideId "2050315"]
[BlackFideId "2032376"]
[EventDate "2011.07.30"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Qe2 c6 6. O-O-O Qa5 7. f4 h6 8. Bh4
Qh5 9. Nf3 Bg4 10. Bg3 Bxf3 11. gxf3 Qa5 12. e5 dxe5 13. fxe5 Nd5 14. Nxd5 cxd5
15. Qb5+ Qxb5 16. Bxb5+ Nc6 17. c4 e6 18. Bxc6+ bxc6 19. c5 Kd7 20. Kc2 Rab8 21.
Kc3 h5 22. Bf4 Bh6 23. Bxh6 Rxh6 24. h4 Rhh8 25. f4 Rb7 26. b4 Rhb8 27. Rb1 a5
28. a3 a4 29. Rhg1 Rb5 30. Kd3 Re8 31. Ke3 Ke7 32. Kf3 Kf8 33. Rbe1 Kg7 34. Rg5
Kh6 35. Reg1 Re7 36. Ke3 Re8 37. Re1 Re7 38. Rg2 Re8 39. Kf3 Kg7 40. Rge2 f5 41.
exf6+ Kxf6 42. Re5 Rb7 43. Kg3 Rbe7 44. Rb1 Rb8 45. Kf3 Rb5 46. Rb2 Rb8 47. Rb1
Rb5 48. Rg1 Rb8 49. Rgg5 Rh8 50. Re1 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Young, Steven D"]
[Black "Yim, Tony"]
[Result "0-1"]
[WhiteElo "1907"]
[ECO "C10"]
[Opening "French"]
[Variation "Rubinstein variation"]
[WhiteFideId "2025965"]
[BlackFideId "2062020"]
[EventDate "2011.07.30"]

1. d4 e6 2. Nc3 d5 3. e4 dxe4 4. f3 e5 5. d5 exf3 6. Nxf3 Bd6 7. Bb5+ Nd7 8. Qe2
Qe7 9. O-O a6 10. Bg5 Nf6 11. Bxd7+ Bxd7 12. Rae1 e4 13. Nh4 Qe5 14. g3 O-O-O
15. Bxf6 gxf6 16. Qh5 Rdg8 17. Nf3 Qe7 18. Kh1 Be5 19. Nxe5 fxe5 20. Rd1 Rg5 21.
Qh6 Rg6 22. Qe3 Kb8 23. d6 Rxd6 24. Rxd6 Qxd6 25. Rd1 Qe6 26. Nd5 Bc6 27. c4 Rd8
28. Qg5 Rd6 29. Qg7 Bxd5 30. cxd5 Rxd5 31. Qf8+ Ka7 32. Rxd5 Qxd5 33. Qe7 e3+
34. Kg1 Qd1+ 35. Kg2 e2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.04"]
[Round "3"]
[White "Suich, Joshua"]
[Black "Banerjee, Abhimanyu"]
[Result "1-0"]
[ECO "B10"]
[Opening "Caro-Kann"]
[Variation "Goldman (Spielmann) variation"]
[WhiteFideId "2050277"]
[EventDate "2011.07.30"]

1. e4 c6 2. Nc3 d5 3. Qf3 e6 4. d4 dxe4 5. Nxe4 Nd7 6. Bd3 Ngf6 7. Ne2 Nxe4 8.
Bxe4 Nf6 9. Bd3 Be7 10. O-O O-O 11. c4 c5 12. dxc5 Bxc5 13. Bg5 Be7 14. Nc3 Nd7
15. Bxe7 Qxe7 16. Rfe1 Nc5 17. Bc2 h6 18. Rad1 Bd7 19. b4 Na6 20. Qd3 g6 21.
Qxd7 Qxb4 22. Qd4 Rac8 23. Bb3 Nc5 24. Ne4 Nxe4 25. Qxe4 Rcd8 26. g3 a5 27. h4
h5 28. Qc2 Rc8 29. Re4 a4 30. Bxa4 f5 31. Red4 e5 32. Rd6 Kh7 33. Rd7+ Kh8 34.
Bb3 Rc5 35. Qd2 Qxd2 36. R1xd2 b6 37. R2d6 Rg8 38. Rxb6 e4 39. Rbb7 Re8 40. Rh7+
Kg8 41. Rhg7+ Kh8 42. Rgc7 Rxc7 43. Rxc7 Rd8 44. c5 Rd2 45. c6 Rd3 46. Rc8+ Kg7
47. c7 Rc3 48. Rg8+ Kf6 49. c8=Q Rxc8 50. Rxc8 Ke5 51. a4 Kd6 52. a5 Kd7 53. Rc1
Kd6 54. a6 Ke5 55. a7 Kd4 56. a8=Q Kd3 57. Qd5+ Ke2 58. Qd1# 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Gelashvili, Tamaz"]
[Black "Goldin, Alexander"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2616"]
[BlackElo "2561"]
[ECO "D05"]
[Opening "Queen's pawn game"]
[WhiteFideId "13600702"]
[BlackFideId "2019540"]
[EventDate "2011.07.30"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. O-O Nc6 6. b3 Be7 7. Bb2 O-O 8. Nbd2
b6 9. a3 Bb7 10. Qe2 Rc8 11. Rac1 Qc7 12. c4 dxc4 13. bxc4 Rfd8 14. Rfd1 cxd4
15. exd4 Qf4 16. Nf1 Bf8 17. Ne3 Re8 18. d5 exd5 19. cxd5 Nxd5 20. Bxh7+ Kxh7
21. Rxd5 Ne5 22. Rxc8 Nxf3+ 23. Qxf3 Qxf3 24. Rxe8 Qe2 25. Rd1 Bc5 26. Rb1 Bc6
27. Re5 f6 28. Re6 Bd5 29. Re8 Ba2 30. Rf1 Qxb2 31. a4 Bf7 32. Re4 Bg6 33. Rh4+
Kg8 34. h3 Bd3 35. Re1 Qd2 36. Rd1 Qe2 37. Ra1 f5 38. a5 Bxe3 39. fxe3 Be4 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Garcia, Gildardo"]
[Black "Gareev, Timur"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2368"]
[BlackElo "2613"]
[ECO "C78"]
[Opening "Ruy Lopez"]
[Variation "Moeller defence"]
[WhiteFideId "4400020"]
[BlackFideId "14200937"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. Nxe5 Nxe5 7. d4 b5 8.
dxe5 Nxe4 9. Qd5 Bb7 10. Qxb7 c6 11. Be3 Bxe3 12. fxe3 Nc5 13. Qxa8 Qxa8 14. Bb3
O-O 15. Nd2 a5 16. a3 Qe8 17. Nf3 Nxb3 18. cxb3 f6 19. Rad1 fxe5 20. e4 d5 21.
exd5 e4 22. Rfe1 cxd5 23. Nd4 b4 24. Re2 h6 25. axb4 axb4 26. Nc2 Qb5 27. Red2
Qb6+ 28. Rd4 Rc8 29. Ne3 Rc1 30. Kf2 Qf6+ 31. Ke2 Rxd1 32. Rxd1 Qxb2+ 33. Rd2
Qxb3 34. Nxd5 Qc4+ 35. Ke1 b3 36. Ne3 Qb4 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Kacheishvili, Giorgi"]
[Black "Bartholomew, John"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2582"]
[BlackElo "2442"]
[ECO "A16"]
[Opening "English opening"]
[WhiteFideId "13600613"]
[BlackFideId "2019353"]
[EventDate "2011.07.30"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. e3 d5 5. d4 cxd4 6. exd4 Be7 7. cxd5 exd5 8.
Ne5 O-O 9. Bd3 Nc6 10. O-O Be6 11. Nxc6 bxc6 12. Na4 Qd6 13. Re1 Nd7 14. Be3
Rab8 15. Rc1 h6 16. Rc3 Bf6 17. b3 Rfc8 18. Ba6 Re8 19. Bf1 Bf5 20. Qd2 Qb4 21.
Rd1 Re6 22. Qc1 Qb7 23. Bf4 Rbe8 24. Re3 Rxe3 25. Bxe3 Re6 26. Nb2 Qb6 27. Na4
Qb4 28. Qc3 Qxc3 29. Nxc3 Bg5 30. Bxg5 hxg5 31. h3 Kf8 32. Rc1 Ke7 33. f3 Kd6
34. Na4 Re8 35. Kf2 Rb8 36. Ke3 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Becerra Rivero, Julio"]
[Black "Gulamali, Kazim"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2557"]
[BlackElo "2367"]
[ECO "C97"]
[Opening "Ruy Lopez"]
[Variation "closed, Chigorin defence"]
[WhiteFideId "3501728"]
[BlackFideId "2024764"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. d5 c4 13. b4 Nb7 14. a4 Bd7 15. Be3 bxa4
16. Na3 a5 17. Nd2 axb4 18. cxb4 c3 19. Ndc4 Rfb8 20. Qd3 Nd8 21. Rab1 Nh5 22.
Qxc3 Nf4 23. Qd2 g5 24. Rec1 Qc8 25. Bd1 Qa6 26. Bg4 f5 27. Bxf5 Bxf5 28. exf5
Nf7 29. Kh2 Kh8 30. g3 Rg8 31. b5 Qb7 32. Nb6 Raf8 33. Rc6 Bd8 34. Nbc4 Qd7 35.
g4 h5 36. f3 hxg4 37. fxg4 Kg7 38. Rg1 Rh8 39. Rg3 Rh6 40. Qd1 Rfh8 41. Qf3 Bf6
42. b6 Qe8 43. Rc7 e4 44. Nxd6 exf3 45. Nxe8+ Rxe8 46. Nc4 Rxe3 47. Nxe3 Be5 48.
Rc1 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Woodard, Timothy"]
[Black "Hansen, Lars Bo"]
[Result "0-1"]
[BlackTitle "GM"]
[BlackElo "2578"]
[ECO "B13"]
[Opening "Caro-Kann"]
[Variation "exchange, Rubinstein variation"]
[WhiteFideId "2072220"]
[BlackFideId "1400037"]
[EventDate "2011.07.30"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qd7 8. h3
Bh5 9. Nd2 e6 10. Ngf3 Bxf3 11. Nxf3 Bd6 12. Bxd6 Qxd6 13. O-O O-O 14. Rfe1 Nd7
15. Re2 Rab8 16. Rae1 g6 17. Qd1 Qf4 18. Re3 a6 19. g3 Qf6 20. Nh2 b5 21. Qd2
Qg7 22. f4 Na5 23. Nf3 Nc4 24. Bxc4 bxc4 25. Qc2 Rb7 26. Qa4 Nf6 27. b4 cxb3 28.
axb3 Ne4 29. Ne5 f6 30. Nc6 Qd7 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Fernandez, Daniel"]
[Black "Del Castillo Cabezas, Willian"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2401"]
[BlackElo "2194"]
[ECO "D15"]
[Opening "QGD Slav"]
[Variation "4.Nc3"]
[WhiteFideId "2015390"]
[BlackFideId "3600513"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Bf5 5. cxd5 Nxd5 6. Nh4 Bc8 7. e4 Nxc3 8.
bxc3 e5 9. Nf3 exd4 10. cxd4 Bb4+ 11. Bd2 Qa5 12. Bc4 O-O 13. O-O Bg4 14. Be3
Nd7 15. Rb1 b5 16. Bb3 Kh8 17. Qc2 Rac8 18. e5 c5 19. Ng5 g6 20. Qe4 f5 21. Qf4
cxd4 22. Bxd4 Bd2 23. e6+ Nf6 24. Nf7+ Kg7 25. Bxf6+ Kxf6 26. Qe5+ Ke7 27. Qd6+
Kf6 28. e7+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Fishbein, Matthew E"]
[Black "Studen, Damir"]
[Result "0-1"]
[BlackElo "2239"]
[ECO "D45"]
[Opening "QGD semi-Slav"]
[Variation "5.e3"]
[WhiteFideId "2055783"]
[BlackFideId "2009129"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Be7 6. Bd3 O-O 7. O-O dxc4 8. Bxc4
b5 9. Bd3 Bb7 10. e4 b4 11. e5 bxc3 12. exf6 Bxf6 13. bxc3 c5 14. Rb1 Bc6 15.
Bf4 cxd4 16. cxd4 Bd5 17. Re1 h6 18. Bc2 Bxa2 19. Qd3 g6 20. Ra1 Bd5 21. Bxh6
Bg7 22. Bf4 Nc6 23. Ne5 Nxe5 24. dxe5 Qe7 25. Qg3 Rfc8 26. Ba4 Qb4 27. Reb1 Qc3
28. Ra3 Qxg3 29. fxg3 Bf8 30. Raa1 Bc5+ 31. Kh1 Rab8 32. Bd7 Rd8 33. Bg5 Rxb1+
34. Rxb1 Rxd7 35. Rb8+ Bf8 36. h4 f5 37. exf6 Kf7 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Esserman, Marc"]
[Black "Ramirez, Alejandro"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2453"]
[BlackElo "2592"]
[ECO "C03"]
[Opening "French"]
[Variation "Tarrasch"]
[WhiteFideId "2018616"]
[BlackFideId "6500617"]
[EventDate "2011.07.30"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. e5 Nh6 5. Ndf3 c5 6. Bxh6 gxh6 7. dxc5 Bxc5 8.
Nh3 Qb6 9. Bd3 Qxb2 10. O-O Qb4 11. c4 dxc4 12. Rb1 Qc3 13. Be4 Nd7 14. Qa4 Qa3
15. Qxc4 Nb6 16. Qc2 Bd7 17. Bxb7 Rb8 18. Be4 Rc8 19. Qd2 Qa4 20. Rfe1 Bf8 21.
Nf4 Rc4 22. Qd3 Bb4 23. Rec1 Bb5 24. Rxc4 Bxc4 25. Qd4 Ke7 26. Rd1 Rc8 27. Nh5
Bc5 28. Qd2 Bb4 29. Qd4 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Sadorra, Julio Catalino"]
[Black "Van Wely, Loek"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2495"]
[BlackElo "2683"]
[ECO "E76"]
[Opening "King's Indian"]
[Variation "Four pawns attack"]
[WhiteFideId "5201268"]
[BlackFideId "1000268"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 Na6 7. Bd3 e5 8. fxe5
dxe5 9. d5 c6 10. O-O Nc5 11. Be3 Qa5 12. Bc2 cxd5 13. cxd5 Ng4 14. Bd2 Qb6 15.
Kh1 Bd7 16. h3 Nf6 17. b4 Qxb4 18. Na4 Qa3 19. Bc1 Qxa4 20. Bxa4 Bxa4 21. Qe1
Bb5 22. Ba3 Nfxe4 23. Nd2 Nxd2 24. Qxd2 b6 25. Rfc1 e4 26. Bb2 Bxb2 27. Qxb2 Bd3
28. a4 Rab8 29. Ra3 a5 30. Qd4 Rfe8 31. Rac3 Rbd8 32. Kh2 Rd6 33. Rxc5 bxc5 34.
Rxc5 Rd7 35. Qc3 Ba6 36. Qxa5 Bd3 37. Qc3 Ba6 38. Qa5 Bd3 39. Qc3 Ba6 40. Qe3
Bb7 41. a5 Rxd5 42. Rc7 Rd3 43. Qc5 Bd5 44. a6 Kg7 45. Qb5 Rd8 46. Qb2+ Kg8 47.
a7 Rb3 48. Qd4 Rd3 49. Qf6 Rf8 50. h4 h5 51. Rc5 Ba8 52. Rb5 Rdd8 53. Kg3 e3 54.
Re5 Rde8 55. Qg5 e2 56. Qe3 Rxe5 57. Qxe5 f6 58. Qxe2 Kg7 59. Qe3 Kf7 60. Qb3+
Ke7 61. Qb4+ Kf7 62. Qc4+ Kg7 63. Qc7+ Rf7 64. Qb8 Rf8 65. Kf2 Kf7 66. Qc7+ Kg8
67. Qe7 Bd5 68. g3 Ba8 69. Ke3 Bd5 70. Kf4 Ba8 71. Ke3 Bd5 72. Kf4 Ba8 73. g4
hxg4 74. Kxg4 Bh1 75. h5 gxh5+ 76. Kxh5 Rf7 77. Qe1 Rxa7 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Shabalov, Alexander"]
[Black "Shvartsman, Andrew Nathaniel"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "CM"]
[WhiteElo "2577"]
[BlackElo "2209"]
[ECO "E77"]
[Opening "King's Indian"]
[Variation "Four pawns attack"]
[WhiteFideId "2008572"]
[BlackFideId "2006111"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5
9. cxd5 Bg4 10. O-O Re8 11. h3 Bxf3 12. Bxf3 Nbd7 13. g4 h6 14. h4 Nh7 15. g5 f6
16. h5 fxg5 17. hxg6 Nhf8 18. fxg5 hxg5 19. Bg4 Ne5 20. Rf5 Bf6 21. Bh5 Kg7 22.
Ne2 Nfxg6 23. Ng3 Rh8 24. Qe2 Nh4 25. Rf2 Qe7 26. Bd2 Raf8 27. Raf1 Neg6 28.
Bxg6 Kxg6 29. Be3 Qd7 30. e5 dxe5 31. Bxc5 Be7 32. d6 Rxf2 33. Qxf2 Bd8 34. Qe2
Qc6 35. Ne4 Nf5 36. Qd3 Rh4 37. Ng3 Qxc5+ 38. Rf2 Qc1+ 39. Nf1 Rg4+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Perez, Robert M"]
[Black "Lenderman, Aleksandr"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2210"]
[BlackElo "2525"]
[ECO "C64"]
[Opening "Ruy Lopez"]
[Variation "classical (Cordel) defence"]
[WhiteFideId "2035251"]
[BlackFideId "2021285"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Qf6 5. c3 Nge7 6. d3 h6 7. Be3 Bb6 8. Bxb6
axb6 9. d4 O-O 10. d5 Na7 11. Bd3 d6 12. Nfd2 Qg6 13. Qe2 f5 14. exf5 Bxf5 15.
Bxf5 Qxf5 16. c4 Qc2 17. Nc3 Qxb2 18. Qd3 Rf4 19. Nde4 Qa3 20. Rab1 Rxe4 21.
Qxe4 Qxc3 22. Rb3 Qd4 23. Qxd4 exd4 24. Ra3 c5 25. Re1 Kf8 26. Re6 b5 27. cxb5
Nxd5 28. Rxd6 Nc3 29. Rd7 Re8 30. g4 Naxb5 31. Ra5 Re7 32. Rd8+ Kf7 33. a4 b6
34. Ra6 Nc7 35. Rxb6 Nxa4 36. Rc6 Ne6 37. Rd5 g6 38. Rdd6 Nc3 39. f3 Ne2+ 40.
Kf2 N2f4 41. h4 Ra7 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Mulyar, Michael A."]
[Black "Finney, Stuart"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[WhiteElo "2410"]
[BlackElo "2162"]
[ECO "E04"]
[Opening "Catalan"]
[Variation "open, 5.Nf3"]
[WhiteFideId "2008742"]
[BlackFideId "2029286"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Be3 Rb8 8. Qc1
Nd5 9. Qxc4 Nxe3 10. fxe3 Be7 11. Nbd2 O-O 12. a3 Na7 13. Rac1 c6 14. Ne4 b6 15.
Ne5 Bb7 16. Bh3 Qd5 17. Qxd5 exd5 18. Nf2 Rbd8 19. Nfd3 Bc8 20. Bxc8 Rxc8 21.
Nd7 Rfe8 22. Nxb6 Rb8 23. Nd7 Rb7 24. N7c5 Bxc5 25. Rxc5 Rxe3 26. Kf2 Rbe7 27.
Re1 f6 28. Nb4 Rb3 29. Nxc6 Nxc6 30. Rxc6 Rxb2 31. Rxa6 Re4 32. Ra4 Rd2 33. Rb4
Ra2 34. Ra4 Kf7 35. h4 g5 36. hxg5 fxg5 37. Ra7+ Kg6 38. Ra6+ Kf5 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Brown, Michael William"]
[Black "Battaglini, Gabriel"]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "2121"]
[BlackElo "2407"]
[ECO "A41"]
[Opening "Queen's Pawn"]
[WhiteFideId "2037602"]
[BlackFideId "621650"]
[EventDate "2011.07.30"]

1. d4 d6 2. Nf3 Nf6 3. c4 Bf5 4. Nc3 Nbd7 5. Bf4 g6 6. e3 Bg7 7. Be2 O-O 8. h3
h6 9. Bh2 g5 10. Rc1 c5 11. Qb3 a6 12. Qxb7 Qa5 13. Qb3 Rfb8 14. Qa4 Qb6 15. b3
cxd4 16. Nxd4 Bh7 17. Qc6 Qa5 18. Qa4 Qb6 19. Qc6 Qa5 20. Qa4 Qc5 21. Bf3 e5 22.
Nc6 e4 23. Nxb8 exf3 24. Nxd7 Nxd7 25. Qxd7 fxg2 26. Rg1 Qa5 27. Qa4 Qf5 28. Qc6
Rc8 29. Qxd6 Qxh3 30. Nd5 Re8 31. Bg3 f5 32. Qd7 Bg6 33. Nc7 Rxe3+ 34. fxe3
Qxg3+ 35. Ke2 Bh5+ 36. Kd3 f4 37. Qe6+ Kh7 38. Ke4 Qf3+ 39. Kd3 Qe2+ 40. Ke4
Bf3+ 41. Kf5 Bg4+ 42. Ke4 Qxe3+ 43. Kd5 Bxe6+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Zepeda, Lorena"]
[Black "Vibbert, Sean"]
[Result "0-1"]
[WhiteTitle "WIM"]
[WhiteElo "2187"]
[BlackElo "2159"]
[ECO "B57"]
[Opening "Sicilian"]
[Variation "Sozin, Benko variation"]
[WhiteFideId "6700233"]
[BlackFideId "2030292"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb6 7. Nb3 e6 8. Bf4
Ne5 9. Be2 Bd7 10. Qd2 a6 11. O-O-O Rc8 12. f3 Qc7 13. g4 b5 14. g5 Nh5 15. Be3
b4 16. Nb1 Nc4 17. Bxc4 Qxc4 18. Qd3 Bb5 19. Qxc4 Bxc4 20. Rhe1 e5 21. Na5 Bxa2
22. b3 Bxb1 23. Kxb1 Be7 24. Bd2 O-O 25. Bxb4 Bxg5 26. Bxd6 Rfe8 27. Nc4 Bf4 28.
h3 Re6 29. Nb6 Rce8 30. c4 Bg3 31. Re2 Rf6 32. c5 Rxf3 33. Ka2 Nf4 34. Red2 f5
35. exf5 e4 36. c6 e3 37. Rc2 e2 38. Rdc1 Nd3 39. Bxg3 Rxg3 40. c7 Nxc1+ 41.
Rxc1 Rc3 42. Rxc3 e1=Q 43. c8=Q Rxc8 44. Rxc8+ Kf7 45. Nc4 Qe2+ 46. Ka3 Qe7+ 47.
Ka2 Kf6 48. Rc6+ Kxf5 49. Rxa6 Kg5 50. Rd6 Kh4 51. Rd3 Qe2+ 52. Rd2 Qe4 53. Nd6
Qa8+ 54. Kb2 Kxh3 55. b4 g5 56. b5 g4 57. Rd3+ Kh2 58. Rd2+ Kg1 59. b6 g3 60.
Nf5 Qa5 61. Rd1+ Kh2 62. Nxg3 Qxb6+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Yanovsky, Vlad"]
[Black "Serna, Jeffrey M"]
[Result "1-0"]
[ECO "C63"]
[Opening "Ruy Lopez"]
[Variation "Schliemann defence"]
[WhiteFideId "2054361"]
[BlackFideId "2068591"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 Nf6 5. Nc3 Bb4 6. O-O Bxc3 7. bxc3 O-O 8.
exf5 d6 9. Nh4 Ne7 10. g4 c6 11. Bc4+ d5 12. Bb3 Nxg4 13. Qxg4 Nxf5 14. Nxf5
Bxf5 15. Qg3 Qa5 16. c4 d4 17. c5+ Kh8 18. Qxe5 Bh3 19. Re1 Rf5 20. Qe8+ Rf8 21.
Qe7 h6 22. Bb2 Rf4 23. Re4 Rf5 24. Rh4 Qd2 25. Rxh3 Qxf2+ 26. Kh1 Raf8 27. Rg3
g6 28. Qh4 Kh7 29. Qxd4 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Regam, Jessica"]
[Black "Moon, Benjamin"]
[Result "0-1"]
[WhiteElo "1819"]
[ECO "B78"]
[Opening "Sicilian"]
[Variation "dragon, Yugoslav attack, 10.O-O-O"]
[WhiteFideId "2033496"]
[BlackFideId "2064847"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Bc4
Nc6 9. Qd2 Bd7 10. O-O-O Rc8 11. Bb3 Ne5 12. Kb1 Re8 13. h4 h5 14. Bh6 Nc4 15.
Bxc4 Rxc4 16. Bxg7 Kxg7 17. g4 hxg4 18. h5 Rh8 19. hxg6 fxg6 20. f4 Rc5 21. f5
gxf5 22. exf5 Kf7 23. Qf4 Re5 24. Rhe1 Qa5 25. Ne4 Bxf5 26. Ng5+ Kg6 27. Rxe5
Qxe5 28. Qxe5 dxe5 29. Nxf5 Kxf5 30. Nf7 Rh3 31. Re1 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Kutikoff, Adam"]
[Black "Gater, Daniel"]
[Result "0-1"]
[BlackElo "2136"]
[ECO "B24"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "2054337"]
[BlackFideId "2050374"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. O-O Nh6 7. d3 O-O 8. h3 f5
9. Rb1 Rb8 10. Ng5 Nd4 11. Ne2 e5 12. f4 Kh8 13. c3 Nxe2+ 14. Qxe2 b5 15. Kh2 b4
16. cxb4 Rxb4 17. b3 Qe7 18. Bd2 Rb8 19. Rbc1 Ba6 20. Be3 fxe4 21. Nxe4 Nf5 22.
Rf2 Nxe3 23. Qxe3 exf4 24. Rxf4 Bd4 25. Qf3 Be5 26. Rxf8+ Rxf8 27. Qd1 Bc8 28.
Qe2 d5 29. Nc3 Bxg3+ 30. Kh1 Qg5 31. Rf1 Rxf1+ 32. Qxf1 Kg7 33. Bxd5 Bf4 34. Ne4
Qh4 35. Nf2 Be3 36. Ne4 Qxh3+ 37. Qxh3 Bxh3 38. Nd6 Bd7 39. Kg2 Kf6 40. Nc4 Bf4
41. Kf3 g5 42. Na5 h5 43. Nb7 Ke5 44. Bf7 Bc6+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Gurczak, John"]
[Black "Jiang, Austin"]
[Result "1/2-1/2"]
[WhiteElo "2114"]
[ECO "D34"]
[Opening "QGD"]
[Variation "Tarrasch, Reti variation"]
[WhiteFideId "2042096"]
[BlackFideId "2047659"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. Nc3
O-O 9. dxc5 Bxc5 10. Na4 Be7 11. Be3 Be6 12. b3 Ne4 13. Nd4 Bf6 14. Rc1 Nxd4 15.
Bxd4 b6 16. Nc3 Nxc3 17. Rxc3 h6 18. Rd3 Rc8 19. Bxf6 Qxf6 20. Qd2 Qg6 21. Rc1
Rxc1+ 22. Qxc1 Rc8 23. Qd1 Qg5 24. h4 Qe5 25. Rd4 Rc5 26. e3 Qc7 27. Kh2 Rc1 28.
Qe2 Qc3 29. Bxd5 Rc2 30. Be4 Qxd4 31. Qxc2 Qb4 32. Qd3 Qe7 33. Qd4 Qc7 34. Bd3
Kf8 35. Qb4+ Kg8 36. Qf4 Qxf4 37. exf4 Kf8 38. f5 Bd5 39. g4 Ke7 40. Kg3 Kf6 41.
Kf4 Bc6 42. Ke3 Ke5 43. f4+ Kd6 44. Kd4 Bf3 45. g5 f6 46. b4 Bc6 47. Be4 Bd7 48.
Bc2 Bc6 49. a4 Bd7 50. Kc4 Bc6 51. a5 Bd7 52. Be4 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Xu, Grant Y"]
[Black "Meduri, Aakaash"]
[Result "0-1"]
[WhiteElo "2123"]
[BlackElo "2068"]
[ECO "A00"]
[Opening "Benko's opening"]
[WhiteFideId "2052318"]
[BlackFideId "2032252"]
[EventDate "2011.07.30"]

1. g3 c6 2. Bg2 d5 3. Nf3 Nf6 4. O-O Nbd7 5. d4 e6 6. Nbd2 Bd6 7. b3 O-O 8. Bb2
Qc7 9. c4 Re8 10. e4 dxe4 11. Ng5 Be7 12. Ngxe4 Nxe4 13. Nxe4 Nf6 14. Qc2 Nxe4
15. Bxe4 h6 16. Rad1 Bf6 17. Rfe1 Bd7 18. Bc1 e5 19. d5 cxd5 20. Bxd5 Bc6 21.
Qe4 Rad8 22. Bb2 Bxd5 23. cxd5 Qc5 24. Qc4 Qb6 25. Qa4 Re7 26. d6 Re6 27. Ba3 a6
28. Bb4 Qa7 29. Rd5 e4 30. Bc5 b6 31. Ba3 Qb7 32. Rdd1 Bc3 33. Qc4 Bxe1 34. Rxe1
b5 35. Qd4 a5 36. Bc5 Qc6 37. Rd1 Rd7 38. a3 f5 39. b4 a4 40. Qd2 Kf7 41. Qf4
Kg6 42. h4 e3 43. h5+ Kf7 44. fxe3 Qe4 45. Rf1 Qxf4 46. Rxf4 Re5 47. Kf2 Ke6 48.
Ke2 Re4 49. Kf3 Rf7 50. Rxe4+ fxe4+ 51. Kxe4 Rf2 52. Bd4 Ra2 53. Bxg7 Rxa3 54.
Bxh6 Kxd6 55. Bg7 Ke6 56. g4 Kf7 57. Bd4 Ra2 58. Kd5 Rc2 59. g5 Rg2 60. g6+ Kg8
61. e4 a3 62. Kc6 Rg5 63. Bf6 Rxh5 64. e5 Rf5 65. Kd7 a2 66. e6 Rxf6 67. e7 Rf8
68. exf8=Q+ Kxf8 69. Kc6 a1=Q 70. Kxb5 Qf6 71. Ka5 Qxg6 72. b5 Ke8 73. b6 Kd8
74. Ka6 Kc8 75. Ka7 Qf7+ 76. Ka6 Kb8 77. Ka5 Qb3 78. b7 Qxb7 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Banerjee, Abhimanyu"]
[Black "Dyson, Peter"]
[Result "0-1"]
[BlackElo "2093"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[BlackFideId "2029189"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nc6 5. Bb5 Nd4 6. Bc4 e6 7. e5 d5 8. exd6
Qxd6 9. d3 Ne7 10. Ne4 Qc7 11. c3 Nxf3+ 12. Qxf3 Bd7 13. O-O O-O 14. Qf2 b6 15.
Qh4 Nf5 16. Nf6+ Bxf6 17. Qxf6 Qd8 18. Qxd8 Rfxd8 19. g4 Nd6 20. Bb3 Bb5 21. Rd1
Ne8 22. d4 Be2 23. Re1 Bxg4 24. Be3 cxd4 25. Bxd4 Ng7 26. Bd1 Bxd1 27. Raxd1 Ne8
28. Be5 f6 29. Bd4 Kf7 30. Re3 Ng7 31. Rh3 h5 32. Re1 Nf5 33. Bf2 Rd2 34. Rb1
Rad8 35. Be1 Rd1 36. Rxd1 Rxd1 37. Kf2 Rb1 38. b3 Rb2+ 39. Kf3 Rxa2 40. b4 a5
41. bxa5 bxa5 42. c4 Ra3+ 43. Kg2 Rxh3 44. Kxh3 a4 45. Bb4 Ne3 46. Bc5 Nxc4 47.
Bb4 e5 48. fxe5 fxe5 49. Kg3 Ke6 50. Kf3 Kd5 51. Ke2 Kd4 52. Ke1 a3 53. Bxa3
Nxa3 54. Kd2 e4 55. Ke2 g5 56. h3 g4 57. hxg4 hxg4 58. Kf2 e3+ 59. Ke2 Nc4 60.
Ke1 Kd3 61. Kd1 Ne5 62. Ke1 Nf3+ 63. Kf1 e2+ 64. Kg2 Nh4+ 65. Kg3 e1=Q+ 66. Kxg4
Qe4+ 67. Kg5 Qf5+ 68. Kxh4 Qg6 69. Kh3 Ke3 70. Kh2 Kf3 71. Kh1 Qg2# 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Berry, Jim"]
[Black "Robinson, Cayley H"]
[Result "1/2-1/2"]
[WhiteTitle "NCM"]
[ECO "B41"]
[Opening "Sicilian"]
[Variation "Kan variation"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nc6 6. Nc3 Qc7 7. Qd2 Nf6 8. Be2
Bb4 9. f3 d5 10. Bg5 Nxd4 11. Qxd4 Bc5 12. Qd2 d4 13. Bxf6 gxf6 14. Na4 Ba7 15.
b3 Bd7 16. Nb2 Rc8 17. Bd3 Qc3 18. Qxc3 dxc3 19. Nc4 Ke7 20. Ke2 Bb5 21. a4 Bxc4
22. Bxc4 Rhd8 23. Rhd1 Rd4 24. Rd3 Rxd3 25. Bxd3 h5 26. Rf1 Rg8 27. g3 h4 28. g4
h3 29. Rd1 Bb8 30. Rh1 Kd6 31. Rd1 Kc5 32. Kf2 Bf4 33. Bf1 Bxh2 34. Bxh3 Be5 35.
Rd7 Kc6 36. Rd3 Kc5 37. Rd7 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Riegelhaupt, Cory"]
[Black "Thompson, Reece E"]
[Result "0-1"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[BlackFideId "2057646"]
[EventDate "2011.07.30"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 d6 5. exd6 exd6 6. Nf3 Nc6 7. Be2 Be7 8. O-O
O-O 9. Na3 Nf6 10. Nc2 Re8 11. Ne3 d5 12. h3 cxd4 13. Nxd4 Bc5 14. Nxc6 bxc6 15.
Nc2 Ne4 16. Be3 Bd6 17. Bf3 Qh4 18. Bxe4 Qxe4 19. Nd4 c5 20. Nf3 Rb8 21. Bxc5
Bxc5 22. Re1 Bxf2+ 23. Kxf2 Rxb2+ 24. Kg1 Re2 25. Rxe2 Qxe2 26. Qxe2 Rxe2 27.
Rb1 Rc2 28. Rb5 g6 29. Rxd5 Rxc3 30. Ra5 Bxh3 31. Rxa7 Be6 32. Ng5 Bd5 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Berisha, Enver"]
[Black "Vemuri, Harish"]
[Result "1-0"]
[ECO "D80"]
[Opening "Gruenfeld defence"]
[WhiteFideId "3600122"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Qb3 dxc4 6. Bxc4 O-O 7. Nf3 b6 8. e4
Bb7 9. e5 Nfd7 10. e6 fxe6 11. Bxe6+ Kh8 12. Ng5 Nf6 13. O-O Qxd4 14. Rd1 Qh4
15. Nf7+ Rxf7 16. Bxf7 Na6 17. h3 Nc5 18. Qc4 Nce4 19. Nxe4 Nxe4 20. Be3 Bxb2
21. Bd4+ Bxd4 22. Qxd4+ Qf6 23. Qxf6+ exf6 24. Rd7 Rc8 25. Rad1 Nc5 26. Rd8+
Rxd8 27. Rxd8+ Kg7 28. Bd5 Bxd5 29. Rxd5 Kf7 30. Rd8 Ke7 31. Rh8 h5 32. Rh7+ Kd6
33. Rh6 Nd7 34. Rxg6 c5 35. Kf1 b5 36. g4 hxg4 37. h4 Ke5 38. h5 f5 39. h6 Nf6
40. Rg7 a5 41. Ke2 c4 42. h7 Nxh7 43. Rxh7 Kd4 44. Rf7 Kc3 45. Rxf5 Kb4 46. Kd2
a4 47. Kc2 Ka3 48. Rxb5 Kxa2 49. Rb4 a3 50. Rxc4 g3 51. fxg3 Ka1 52. Kb3 Kb1 53.
Kxa3 Ka1 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Thompson, Buddy"]
[Black "Ward, Mike"]
[Result "1-0"]
[WhiteElo "1877"]
[ECO "E91"]
[Opening "King's Indian"]
[Variation "6.Be2"]
[WhiteFideId "2047772"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Bg4 7. Be3 c6 8. Rc1
Bxf3 9. Bxf3 Nbd7 10. O-O Nb6 11. Qb3 Qc7 12. d5 c5 13. Ne2 Nfd7 14. Ng3 Ne5 15.
Be2 Qd7 16. Qd1 h5 17. h3 h4 18. Nh1 f5 19. exf5 Qxf5 20. f4 Qe4 21. Qd2 Nexc4
22. Bxc4 Nxc4 23. Rxc4 Qxc4 24. b3 Qc3 25. Qe2 Bd4 26. Rf3 Bxe3+ 27. Rxe3 Qa1+
28. Kh2 Qf6 29. Re4 Rf7 30. Nf2 Kg7 31. Ng4 Qc3 32. Ne3 Raf8 33. Qg4 Qd3 34. f5
Rf6 35. Qxh4 R8f7 36. Qg4 Qd2 37. h4 Kh7 38. Qg5 Rg7 39. Rg4 Qd3 40. h5 Kg8 41.
hxg6 b5 42. Rh4 a5 43. Rh5 c4 44. Qh4 Rfxg6 45. fxg6 Qxg6 46. Rh8+ Kf7 47. Qf4+
Qf6 48. Qxf6+ Kxf6 49. bxc4 bxc4 50. Rc8 e5 51. Nxc4 Rd7 52. Rc6 Ke7 53. Kg3 a4
54. Kf3 Rb7 55. Ke4 Rb4 56. Kf5 Rb5 57. Rxd6 Rc5 58. Re6+ Kd7 59. Nxe5+ Kd8 60.
Rd6+ Ke7 61. Rd7+ Ke8 62. Ke6 Rc2 63. Ra7 Kf8 64. d6 Rxg2 65. d7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Berry, Frank K"]
[Black "Xu, William"]
[Result "0-1"]
[WhiteElo "1900"]
[BlackElo "1872"]
[ECO "B28"]
[Opening "Sicilian"]
[Variation "O'Kelly variation"]
[WhiteFideId "2021633"]
[BlackFideId "3205355"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd3 d5 8. Bg5
d4 9. a3 Ba5 10. b4 dxc3 11. bxa5 Nc6 12. O-O Bg4 13. h3 Bh5 14. Rb1 Rb8 15. Qe1
Bxf3 16. gxf3 Nd4 17. Kg2 Qxa5 18. Bxf6 gxf6 19. Qe3 Qxa3 20. Kh1 Qa4 21. Rb6
Qd7 22. Kh2 Qc7 23. Rfb1 Ke7 24. Qh6 Ne6 25. f4 exf4 26. f3 Rhg8 27. e5 Qxe5 28.
Rxb7+ Rxb7 29. Rxb7+ Kd6 30. Qh4 Qe3 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Vazquez Maccarini, Danitza"]
[Black "Li, Sophia"]
[Result "1-0"]
[WhiteTitle "WFM"]
[WhiteElo "1785"]
[ECO "C42"]
[Opening "Petrov's defence"]
[WhiteFideId "3101193"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c3 d5 6. d4 c5 7. Bd3 Nc6 8. O-O
Be7 9. Re1 cxd4 10. cxd4 Nf6 11. h3 O-O 12. Nc3 Qb6 13. Rb1 h6 14. Bf4 Be6 15.
Nb5 Rac8 16. Nd6 Rcd8 17. Nb5 Rc8 18. Ne5 a6 19. Nxc6 Rxc6 20. Nc3 Re8 21. Be5
Rcc8 22. Qf3 Qa5 23. a3 Nd7 24. Bf4 Nf6 25. Ne2 Qb6 26. Be3 Bd6 27. Nf4 Qb3 28.
Nxe6 fxe6 29. Bxh6 Qb6 30. Be3 Rf8 31. Qe2 Qc7 32. Rbc1 Qd7 33. Rxc8 Qxc8 34.
Bg5 Re8 35. Bxf6 gxf6 36. Bf5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Unruh, Harrison"]
[Black "Kohler, Llewellyn K"]
[Result "1/2-1/2"]
[ECO "A40"]
[Opening "Modern defence"]
[EventDate "2011.07.30"]

1. d4 g6 2. c4 Bg7 3. g3 Nf6 4. Bg2 O-O 5. Nf3 c5 6. d5 b5 7. cxb5 a6 8. bxa6
Ne4 9. Nfd2 Nd6 10. Nc3 Nxa6 11. O-O Bb7 12. a3 Qc7 13. Qc2 Rfb8 14. Nde4 Nb4
15. Qd1 Nxe4 16. Bxe4 d6 17. Bd2 Na6 18. Rb1 c4 19. Be3 Nc5 20. Bxc5 Qxc5 21.
Qc2 Bc8 22. Bf3 Rb3 23. Ne4 Qb5 24. Nd2 Rxb2 25. Rxb2 Bxb2 26. Qxc4 Qa5 27. Nb1
Bxa3 28. Nxa3 Qxa3 29. Qe4 Ra7 30. Rb1 Bf5 31. Rb8+ Kg7 32. Qd4+ f6 33. g4 Qa1+
34. Qxa1 Rxa1+ 35. Kg2 Bc2 36. Rb7 Kf7 37. h4 g5 38. h5 Ra4 39. Kg3 Rf4 40. e3
Ra4 41. Rb2 Be4 42. Bxe4 Rxe4 43. Rb3 Ra4 44. f3 Ra5 45. e4 Ra1 46. Rb2 Ra7 47.
Rb6 Ra2 48. Rb3 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Goldin, Alexander"]
[Black "Gareev, Timur"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2561"]
[BlackElo "2613"]
[ECO "E60"]
[Opening "King's Indian, 3.Nf3"]
[WhiteFideId "2019540"]
[BlackFideId "14200937"]
[EventDate "2011.07.30"]

1. Nf3 g6 2. d4 Nf6 3. c4 Bg7 4. Nc3 O-O 5. Bg5 h6 6. Bh4 c5 7. d5 b5 8. cxb5 a6
9. e4 d6 10. Nd2 e6 11. dxe6 Bxe6 12. Be2 axb5 13. Bxb5 g5 14. Bg3 d5 15. O-O d4
16. Ne2 Na6 17. Be5 Ng4 18. Bxg7 Kxg7 19. Ng3 Ne5 20. f4 gxf4 21. Nh5+ Kh8 22.
Nxf4 Nc7 23. Nxe6 fxe6 24. Rxf8+ Qxf8 25. Nc4 Qg7 26. Nxe5 Qxe5 27. Bd3 Ne8 28.
a4 Nd6 29. b3 Qg5 30. Qe2 Nf7 31. a5 Ne5 32. a6 Qg7 33. Rc1 Rg8 34. g3 Qe7 35.
Rf1 Rg7 36. Bc4 Kh7 37. Rf4 Qd6 38. Rh4 d3 39. Qe3 d2 40. Qxh6+ Kg8 41. Bxe6+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Fernandez, Daniel"]
[Black "Kacheishvili, Giorgi"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2401"]
[BlackElo "2582"]
[ECO "A64"]
[Opening "Benoni"]
[Variation "fianchetto, 11...Re8"]
[WhiteFideId "2015390"]
[BlackFideId "13600613"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3
O-O 9. O-O Re8 10. Nd2 a6 11. a4 Nbd7 12. Nc4 Ne5 13. Nxe5 Rxe5 14. e4 Re8 15.
Bf4 Rb8 16. a5 b5 17. axb6 Rxb6 18. Qc2 Ng4 19. h3 Ne5 20. Na4 Rb8 21. Bd2 f5
22. f4 Nf7 23. Kh2 fxe4 24. Bxe4 Nh6 25. Rae1 Nf5 26. Bc1 Nd4 27. Qg2 Nb3 28.
Nc3 Nxc1 29. Rxc1 Rb4 30. Bd3 Re3 31. Rcd1 Qe7 32. Rf2 Rd4 33. Bc2 g5 34. Rdf1
g4 35. h4 Qe8 36. Nd1 Re7 37. f5 Bf6 38. Nc3 Bb7 39. Rf4 Kf8 40. R1f2 Re1 41.
Rxd4 Bxd4 42. Rf1 Qe3 43. Bd3 a5 44. Bc4 Rxf1 45. Qxf1 Be5 46. Ne2 Qd2 47. Qg2
Qc2 48. Nc3 Qxf5 49. Qd2 Qf6 50. Ne4 Qxh4+ 51. Kg2 Qh3+ 52. Kf2 Qh2+ 53. Ke3
Qg1+ 54. Kd3 Qd4+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Hansen, Lars Bo"]
[Black "Bartholomew, John"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2578"]
[BlackElo "2442"]
[ECO "D19"]
[Opening "QGD Slav"]
[Variation "Dutch variation, main line"]
[WhiteFideId "1400037"]
[BlackFideId "2019353"]
[EventDate "2011.07.30"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O
O-O 9. Qe2 Bg4 10. Rd1 Qa5 11. e4 Qh5 12. h3 Bxf3 13. Qxf3 Qxf3 14. gxf3 Nbd7
15. Be3 Rfd8 16. Na2 Be7 17. Nc1 c5 18. Nb3 cxd4 19. Rxd4 Ne5 20. Be2 Nc6 21.
Rxd8+ Rxd8 22. Rc1 Nd7 23. Kg2 Bf6 24. Bb5 Ndb8 25. Nc5 a6 26. Bxc6 bxc6 27. b4
g5 28. f4 h6 29. Kf3 gxf4 30. Bxf4 Bg5 31. Rg1 Kh7 32. Bc7 Rc8 33. Be5 f6 34.
Bxb8 Rxb8 35. Nxa6 Rb6 36. Nc5 Rxb4 37. Ra1 f5 38. e5 Rf4+ 39. Kg2 Rc4 40. a5
Rc2 41. a6 Be3 42. a7 Rxf2+ 43. Kh1 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Sarkar, Justin"]
[Black "Bowersock, Michael"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2376"]
[BlackElo "2064"]
[ECO "E32"]
[Opening "Nimzo-Indian"]
[Variation "classical variation"]
[WhiteFideId "2010011"]
[BlackFideId "2045320"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 Bb7 8. e3
d6 9. Ne2 Nbd7 10. Qc2 c5 11. dxc5 bxc5 12. Nc3 Qb6 13. O-O-O Rac8 14. e4 h6 15.
Bh4 Nh7 16. Be7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Robinson, Richard"]
[Black "Gelashvili, Tamaz"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2108"]
[BlackElo "2616"]
[ECO "A05"]
[Opening "Reti"]
[Variation "King's Indian attack, Spassky's variation"]
[WhiteFideId "8800090"]
[BlackFideId "13600702"]
[EventDate "2011.07.30"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. c4 bxc4 5. Qa4 e6 6. O-O c6 7. Nc3 d5 8. e4
Nbd7 9. e5 Nb6 10. Qc2 Nfd7 11. Re1 Be7 12. b3 O-O 13. bxc4 Nxc4 14. d3 Ncb6 15.
h4 c5 16. h5 Rc8 17. h6 g6 18. a4 d4 19. Ne4 Bxe4 20. Rxe4 Nd5 21. Nd2 Bg5 22.
Nc4 Nb4 23. Qe2 Bxc1 24. Rxc1 Qg5 25. Qd2 Qxd2 26. Nxd2 Nxd3 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Zhao, Audrey Jin Nin"]
[Black "Miller, Adam R"]
[Result "1-0"]
[ECO "B25"]
[Opening "Sicilian"]
[Variation "closed, 6.f4"]
[BlackFideId "2045141"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O
9. Be3 Qc7 10. Bf2 b6 11. g4 f5 12. gxf5 exf5 13. Bg3 Bb7 14. Rb1 a6 15. Nd5 Qd8
16. Ng5 Nd4 17. c3 h6 18. Nh3 Ne6 19. Bh4 Bxd5 20. exd5 Nc7 21. Re1 Re8 22. c4
Qd7 23. Qd2 b5 24. Re2 Kf7 25. Rbe1 Ng8 26. Re6 Rab8 27. Rxe8 Nxe8 28. b3 b4 29.
Re2 Nef6 30. Bf3 a5 31. Kg2 a4 32. Bf2 Ng4 33. Bg1 a3 34. d4 Bf8 35. dxc5 dxc5
36. Bxg4 fxg4 37. Nf2 Nf6 38. Nd3 Qc7 39. Ne5+ Kg7 40. Qd3 Kg8 41. Qxg6+ Qg7 42.
Qf5 Re8 43. Bf2 Nd7 44. Bh4 Bd6 45. Bg3 Re7 46. Re1 Qf6 47. Qxg4+ Kh7 48. Nxd7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Levison, Joshua"]
[Black "Weishaar, Luke"]
[Result "0-1"]
[ECO "B27"]
[Opening "Sicilian"]
[Variation "Hungarian variation"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 g6 3. d3 Nc6 4. Be3 d6 5. Be2 Bg7 6. c3 Nf6 7. O-O O-O 8. d4
cxd4 9. Bxd4 Nxe4 10. Bxg7 Kxg7 11. Nd4 Qb6 12. Nxc6 bxc6 13. Qd4+ Nf6 14. Qxb6
axb6 15. Bf3 d5 16. Re1 Re8 17. c4 Bg4 18. Bxg4 Nxg4 19. cxd5 cxd5 20. Nc3 Rad8
21. Rad1 Nf6 22. Nb5 e5 23. a4 d4 24. f4 exf4 25. Rxe8 Rxe8 26. Rxd4 Ng4 27.
Rxf4 Re1+ 28. Rf1 Rxf1+ 29. Kxf1 Nxh2+ 30. Kf2 Ng4+ 31. Kg3 f5 32. b4 Ne3 33. a5
bxa5 34. bxa5 Nc4 35. a6 Nb6 36. a7 Na8 37. Kf4 Kf6 38. g3 g5+ 39. Kf3 Ke5 40.
Ke3 h5 41. Nc3 Nb6 42. Na4 Na8 43. Nc3 Kd6 44. Kd4 Nc7 45. Ne4+ fxe4 46. Kxe4
Ke6 47. Kf3 Kf5 48. g4+ hxg4+ 49. Kg3 Na8 50. Kg2 Kf4 51. Kf2 g3+ 52. Kg2 Kg4
53. Kg1 Kh3 54. Kh1 g2+ 55. Kg1 g4 56. Kf2 Kh2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Zhao, Audrey Jin Nin"]
[Black "Levison, Joshua"]
[Result "1-0"]
[ECO "D38"]
[Opening "QGD"]
[Variation "Ragozin variation"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bb4 5. e3 Ne4 6. Qc2 Nxc3 7. bxc3 Be7 8. Bd3
Nc6 9. e4 dxe4 10. Bxe4 Bf6 11. Bf4 Qe7 12. O-O e5 13. dxe5 Nxe5 14. Nxe5 Bxe5
15. Bxe5 Qxe5 16. Bxb7 Qg5 17. Rfe1+ Kf8 18. Bxa8 g6 19. Rad1 Rg8 20. Qa4 Kg7
21. Re8 Rxe8 22. Qxe8 Bg4 23. Re1 Be6 24. Qb5 Qd2 25. Qe5+ Kg8 26. Bd5 Bxd5 27.
cxd5 f6 28. Qe8+ Kg7 29. Re7+ Kh6 30. Qf8+ Kg5 31. h4+ Kxh4 32. Qxf6+ Kh5 33.
Rxh7+ Kg4 34. Rh4# 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Studen, Damir"]
[Black "Rosenthal, Nicholas"]
[Result "1-0"]
[WhiteElo "2239"]
[ECO "A46"]
[Opening "Queen's pawn game"]
[WhiteFideId "2009129"]
[BlackFideId "2045150"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 c5 3. e3 d5 4. c4 Nc6 5. Nc3 cxd4 6. exd4 g6 7. cxd5 Nxd5 8.
Qb3 Nxc3 9. bxc3 Bg7 10. Bb5 O-O 11. O-O Qd6 12. Ba3 Qc7 13. Rfe1 Bf6 14. h3 Rd8
15. Rad1 Be6 16. Qa4 Bd5 17. Bxc6 Bxc6 18. Qc4 Qf4 19. Ne5 Bxe5 20. Rxe5 Qxe5
21. dxe5 Rxd1+ 22. Kh2 Re8 23. Qh4 Rd2 24. Kg3 Re2 25. Bxe7 Rxe5 26. Bf6 Rf5 27.
Bd4 f6 28. f3 Rg5+ 29. Kf2 Bb5 30. c4 Bc6 31. Bxf6 Ra5 32. Qh6 Rxa2+ 33. Kg3 Kf7
34. Qg7+ Ke6 35. Bc3 Re7 36. Qf6+ Kd7 37. Be5 Re2 38. Bb8 a6 39. Qd4+ Ke8 40.
Bd6 Rf7 41. c5 Re6 42. Qh8+ Kd7 43. Qb8 Re8 44. Qc7+ Ke6 45. Qb6 Kd7 46. Qb3 Re6
47. Qd3 Kc8 48. Qd4 Re8 49. Qc4 Rd7 50. Qb4 Rf7 51. Qb3 Rd7 52. Qc4 Bb5 53. Qb4
Rf7 54. h4 Re6 55. Qa5 Bc6 56. Qb6 Re8 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Kacheishvili, Giorgi"]
[Black "Hansen, Lars Bo"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2582"]
[BlackElo "2578"]
[ECO "B14"]
[Opening "Caro-Kann"]
[Variation "Panov-Botvinnik attack, 5...e6"]
[WhiteFideId "13600613"]
[BlackFideId "1400037"]
[EventDate "2011.07.30"]

1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8.
Bd3 Nc6 9. O-O O-O 10. Re1 Bf6 11. Be4 Nce7 12. Qd3 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Gelashvili, Tamaz"]
[Black "Perrine, Dalton"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2616"]
[ECO "B20"]
[Opening "Sicilian defence"]
[WhiteFideId "13600702"]
[BlackFideId "2048434"]
[EventDate "2011.07.30"]

1. e4 c5 2. b3 Nc6 3. Bb2 e6 4. Nf3 d6 5. d4 cxd4 6. Nxd4 Nf6 7. Bd3 Be7 8. O-O
Ne5 9. Bb5+ Bd7 10. Bxd7+ Nexd7 11. Qe2 O-O 12. c4 Rc8 13. Nc3 Qc7 14. Rad1 a6
15. f4 Rfe8 16. Kh1 g6 17. f5 Bf8 18. fxe6 fxe6 19. Qf3 Qc5 20. e5 dxe5 21. Nxe6
Rxe6 22. Rxd7 Qc6 23. Rxb7 Qxf3 24. gxf3 Rd8 25. Ne4 Nxe4 26. fxe4 Bc5 27. Bc1
Red6 28. Bh6 Rd1 29. Rxd1 Rxd1+ 30. Kg2 Bd4 31. c5 Bxc5 32. Rg7+ Kh8 33. Rc7 Bb6
34. Rc6 Bd8 35. Rc8 Rd4 36. Kf3 Kg8 37. Bg5 Rd3+ 38. Kg2 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Miller, Jake S"]
[Black "Mitkov, Nikola"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2037"]
[BlackElo "2527"]
[ECO "C44"]
[Opening "Scotch gambit"]
[Variation "Anderssen (Paulsen, Suhle) counter-attack"]
[WhiteFideId "2040883"]
[BlackFideId "15000290"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. O-O d6 6. c3 Bg4 7. Qb3 Bxf3 8.
Bxf7+ Kf8 9. Bxg8 Rxg8 10. gxf3 g5 11. Qd5 Ne5 12. Nd2 g4 13. f4 Nf3+ 14. Kh1
Qh4 15. Nxf3 gxf3 16. Qf5+ Ke7 17. e5 d5 18. e6 Raf8 19. Qxd5 Qg4 20. Qxc5+ Ke8 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Becerra Rivero, Julio"]
[Black "Qi, Eric"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2557"]
[ECO "C78"]
[Opening "Ruy Lopez"]
[Variation "Wing attack"]
[WhiteFideId "3501728"]
[BlackFideId "2034212"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. a4 Bb7 8. d3 d6
9. Nc3 b4 10. Ne2 a5 11. Ng3 Bc8 12. c3 Be6 13. d4 Bxb3 14. Qxb3 bxc3 15. bxc3
exd4 16. cxd4 Nb4 17. d5 Nd7 18. Be3 O-O 19. Rac1 Qb8 20. Nf5 Bf6 21. Qc4 Rc8
22. Bd4 Ne5 23. Nxe5 dxe5 24. Bc5 Re8 25. Rb1 g6 26. Nh6+ Kg7 27. Ng4 Be7 28.
Nxe5 Bxc5 29. Nd7 Qa7 30. Nxc5 Re7 31. Kh1 Na6 32. Nd3 Rb8 33. f3 f6 34. h3 Rb6
35. Rb5 Rxb5 36. axb5 Nb8 37. Qc5 Qxc5 38. Nxc5 Kf7 39. Ra1 Nd7 40. Nxd7 Rxd7
41. Rxa5 f5 42. Ra7 Ke7 43. b6 cxb6 44. Rxd7+ Kxd7 45. Kg1 Kd6 46. Kf2 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Bartholomew, John"]
[Black "Ogungbe, Olayemi"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2442"]
[ECO "E81"]
[Opening "King's Indian"]
[Variation "Saemisch, 5...O-O"]
[WhiteFideId "2019353"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Nge2 c5 7. d5 e6 8. Ng3 h5
9. Bg5 a6 10. a4 Qc7 11. Qd2 Nh7 12. Bh4 Re8 13. Bd3 Bf6 14. Bxf6 Nxf6 15. dxe6
Bxe6 16. f4 d5 17. cxd5 Bxd5 18. Nxd5 Nxd5 19. O-O Nb4 20. f5 Qd6 21. fxg6 Qd4+
22. Kh1 fxg6 23. Qh6 N8c6 24. Bc4+ Qxc4 25. Qxg6+ Kh8 26. Qxh5+ Kg8 27. Qg6+ Kh8
28. Rf4 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Liang, Awonder"]
[Black "Fernandez, Daniel"]
[Result "1-0"]
[BlackTitle "IM"]
[WhiteElo "1832"]
[BlackElo "2401"]
[ECO "B83"]
[Opening "Sicilian"]
[Variation "Scheveningen, 6.Be2"]
[WhiteFideId "2056437"]
[BlackFideId "2015390"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. O-O O-O 8. Be3
Nc6 9. Qd2 e5 10. Nb3 Be6 11. Rad1 a5 12. a4 Nb4 13. f4 exf4 14. Bxf4 d5 15. e5
Ne4 16. Qc1 Qc7 17. Nxe4 dxe4 18. Nd4 Bc5 19. c3 Nd5 20. Kh1 Rad8 21. Nxe6 fxe6
22. Bg4 Qb6 23. Bg5 Rde8 24. c4 Rxf1+ 25. Rxf1 Be3 26. Qd1 Bxg5 27. cxd5 Qxb2
28. Bxe6+ Kh8 29. Qh5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Garland, Gary"]
[Black "Zhao, Audrey Jin Nin"]
[Result "1-0"]
[ECO "D05"]
[Opening "Colle system"]
[EventDate "2011.07.30"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nc6 6. Nbd2 Bd6 7. O-O e5 8. e4
cxd4 9. cxd4 Nxd4 10. Nxd4 exd4 11. exd5 Nxd5 12. Qa4+ Qd7 13. Bb5 Bc5 14. Re1+
Ne7 15. Bxd7+ Bxd7 16. Qd1 O-O 17. Nb3 Bb4 18. Bd2 Bd6 19. Bg5 Nc6 20. Nxd4 Bb4
21. Nxc6 Bxc6 22. Be7 Bxe1 23. Bxf8 Bxf2+ 24. Kxf2 Kxf8 25. Qd6+ Kg8 26. Rd1 h6
27. Re1 Kh7 28. Re7 Kg8 29. Rc7 Be4 30. Qe7 Bd5 31. Rd7 Bxa2 32. Rd8+ Rxd8 33.
Qxd8+ Kh7 34. Qa5 Be6 35. Qxa7 b5 36. b4 g6 37. Ke3 Kg7 38. Kd4 h5 39. Ke5 g5
40. Qe7 Kh6 41. Qf6+ Kh7 42. Qxg5 Bg4 43. h3 Be2 44. g4 hxg4 45. hxg4 Bc4 46.
Kf6 Be6 47. Qg7# 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Levison, Joshua"]
[Black "Hoyos, Carlos D"]
[Result "1-0"]
[ECO "C44"]
[Opening "Scotch opening"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. d5 Nce7 5. Nc3 Ng6 6. Be2 Nf6 7. O-O Be7 8. Be3
O-O 9. Qd2 c6 10. Rfd1 cxd5 11. Nxd5 Nxe4 12. Nxe7+ Qxe7 13. Qd3 Bf5 14. Ng5
Nxg5 15. Qxf5 h6 16. Bxg5 Qxg5 17. Qxg5 hxg5 18. Rxd6 Rfc8 19. b3 Rxc2 20. Bd3
Rd2 21. Rd7 e4 22. Bb5 Rxd7 23. Bxd7 Rd8 24. Bf5 Rd4 25. Bxg6 fxg6 26. Kf1 Kf7
27. Ke2 Ke6 28. Ke3 Rb4 29. Rc1 Kf6 30. Rc4 Rxc4 31. bxc4 Ke5 32. g4 b6 33. h3
a6 34. a3 b5 35. cxb5 axb5 36. Kd2 Kd4 37. Kc2 Kc4 38. Kb2 b4 39. a4 Kc5 40. Kb3
Kb6 41. Kxb4 Ka6 42. a5 Kb7 43. Kb5 Ka7 44. a6 Kb8 45. Kc5 Ka7 46. Kd5 Kxa6 47.
Kxe4 Kb6 48. f4 gxf4 49. Kxf4 Kc7 50. Kg5 Kd6 51. Kxg6 Ke6 52. Kxg7 Ke5 53. g5
Kf5 54. g6 Kg5 55. Kf7 Kh6 56. g7 Kg5 57. g8=Q+ Kf4 58. Qe8 Kf5 59. Qe6+ Kf4 60.
Kf6 Kf3 61. Qe5 Kf2 62. Qc3 Ke2 63. Ke5 Kf2 64. Kf4 Ke2 65. Qe3+ Kd1 66. Qf2 Kc1
67. Ke3 Kb1 68. Kd3 Ka1 69. Kc3 Kb1 70. Qb2# 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Gareev, Timur"]
[Black "Studen, Damir"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2613"]
[BlackElo "2239"]
[ECO "D43"]
[Opening "QGD semi-Slav"]
[WhiteFideId "14200937"]
[BlackFideId "2009129"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Qd3 Bb4 6. a3 Bxc3+ 7. Qxc3 Ne4 8. Qc2
O-O 9. Bf4 b6 10. e3 Bb7 11. Bd3 f5 12. O-O Nd7 13. b4 g5 14. Bg3 h5 15. h4 Nxg3
16. fxg3 g4 17. Ng5 Qe7 18. cxd5 cxd5 19. Qc7 Rab8 20. Bb5 Rfd8 21. Rac1 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Presswood, Robert"]
[Black "Riley, Harold Ed"]
[Result "0-1"]
[ECO "A30"]
[Opening "English"]
[Variation "symmetrical variation"]
[EventDate "2011.07.30"]

1. c4 c5 2. g3 Nc6 3. Bg2 Rb8 4. Nc3 e6 5. Nf3 g6 6. d3 Bg7 7. Be3 b6 8. O-O
Nge7 9. Qd2 O-O 10. Bh6 Nf5 11. Bxg7 Kxg7 12. a3 d5 13. e4 dxe4 14. Nxe4 Ncd4
15. Qc3 f6 16. Rfe1 Bb7 17. Ned2 g5 18. g4 Nh4 19. Nxh4 gxh4 20. Bxb7 Rxb7 21.
Re3 f5 22. Rxe6 fxg4 23. Re4 Qf6 24. Rxg4+ Kh8 25. Ne4 Qf3 26. Rg2 Rg7 27. Rxg7
Ne2+ 28. Kf1 Nxc3 29. Rxa7 Nxe4 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Zhao, Art"]
[Black "Hansen, Martin2"]
[Result "0-1"]
[BlackElo "2072"]
[ECO "D19"]
[Opening "QGD Slav"]
[Variation "Dutch variation, main line"]
[BlackFideId "1411179"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O
O-O 9. Qe2 Bg4 10. h3 Bh5 11. Rd1 Qa5 12. Bd2 Nbd7 13. Bd3 e5 14. Ne4 exd4 15.
exd4 Nxe4 16. Bxb4 Qxb4 17. Qxe4 Bg6 18. Qe2 Rfe8 19. Qc2 Bxd3 20. Rxd3 Nf6 21.
Rb3 Qe7 22. Re1 Qd7 23. Rbe3 Nd5 24. Re4 Rxe4 25. Rxe4 Re8 26. Qe2 Rxe4 27. Qxe4
Qe7 28. Qxe7 Nxe7 29. Kf1 f6 30. Ke2 Kf7 31. Kd3 Ke6 32. g3 Kd5 33. b3 Nf5 34.
h4 h5 35. Kc3 Nd6 36. Kd3 Ne4 37. Ke3 a5 38. Ke2 b5 39. axb5 cxb5 40. Ke3 a4 41.
bxa4 bxa4 42. Ne1 Nd6 43. Kd3 Ne4 44. Ke3 f5 45. Nc2 Kc4 46. Kf4 Kc3 47. Na3 Kb3
48. Kxf5 Nd6+ 49. Ke6 Kxa3 50. Kxd6 Kb4 51. d5 a3 52. Ke7 a2 53. d6 a1=Q 54. d7
Qf6+ 55. Ke8 Qe6+ 56. Kd8 Kc5 57. Kc7 Qc6+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "4"]
[White "Zhao, Art"]
[Black "Robinson, Richard"]
[Result "0-1"]
[BlackElo "2108"]
[ECO "A42"]
[Opening "Modern defence"]
[Variation "Averbakh system, Kotov variation"]
[BlackFideId "8800090"]
[EventDate "2011.07.30"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6 5. Be3 a6 6. Nge2 Rb8 7. a4 Bd7 8. Nc1 e5
9. d5 Nd4 10. Nb3 Nxb3 11. Qxb3 f5 12. Bd3 c5 13. f3 Bh6 14. Bxh6 Nxh6 15. Qa3
Qg5 16. Kf2 O-O 17. Rhe1 Qd2+ 18. Be2 Qd4+ 19. Kf1 Ng4 20. fxg4 fxg4+ 21. Bf3
gxf3 22. Nd1 fxg2+ 23. Kxg2 Qd2+ 24. Kh1 Qxe1+ 25. Kg2 Qf1+ 26. Kg3 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Ramirez, Alejandro"]
[Black "Zapata, Alonso"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2592"]
[BlackElo "2472"]
[ECO "E61"]
[Opening "King's Indian"]
[Variation "Smyslov system"]
[WhiteFideId "6500617"]
[BlackFideId "4400011"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5 h6 6. Bh4 g5 7. Bg3 Nh5 8. e3 c5
9. d5 Nd7 10. Qc2 a6 11. Nd2 Ndf6 12. Be2 Bd7 13. e4 Ng4 14. Qd1 Nxg3 15. hxg3
Ne5 16. Qc2 Ng6 17. Bh5 b5 18. O-O O-O 19. Ne2 Ne5 20. f4 Bg4 21. Bxg4 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Valkanov, Zhecho Valentinov"]
[Black "Vazquez Maccarini, Danitza"]
[Result "1-0"]
[BlackTitle "WFM"]
[BlackElo "1785"]
[ECO "B43"]
[Opening "Sicilian"]
[Variation "Kan, 5.Nc3"]
[BlackFideId "3101193"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. O-O Be7 8. Be3
d6 9. Qd2 Nbd7 10. f4 b5 11. Rf3 Nc5 12. Re1 b4 13. Nce2 Ncxe4 14. Bxe4 Nxe4 15.
Qd3 Bb7 16. Rh3 Nc5 17. Qd1 Bf6 18. Ng3 Ne4 19. Nxe4 Bxe4 20. Qg4 O-O 21. f5
Bxd4 22. Bxd4 e5 23. Qxe4 exd4 24. f6 h6 25. Rxh6 g6 26. Qh4 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Mitkov, Nikola"]
[Black "Rodriguez, Eric"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2527"]
[BlackElo "2320"]
[ECO "C24"]
[Opening "Bishop's opening"]
[Variation "Berlin defence"]
[WhiteFideId "15000290"]
[BlackFideId "2023628"]
[EventDate "2011.07.30"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 Na5 5. Nge2 Be7 6. O-O d6 7. h3 O-O 8. a4
Nxc4 9. dxc4 Be6 10. b3 Nd7 11. Ng3 Bg5 12. Nd5 Bxc1 13. Rxc1 g6 14. Qd2 Kg7 15.
Rce1 a6 16. Kh2 Rb8 17. Rd1 Rc8 18. Qc3 f6 19. a5 Rf7 20. Ne3 Rf8 21. f4 exf4
22. Rxf4 Qe8 23. Rdf1 Qd8 24. Ne2 Qe7 25. Nd4 c6 26. Kh1 Ne5 27. c5 Nd7 28. cxd6
Qxd6 29. Rd1 Kg8 30. Rf2 Qe5 31. Nc4 Qh5 32. Rdd2 Bxc4 33. Qxc4+ Kh8 34. Ne6 Ne5
35. Qf1 Rfe8 36. Rxf6 Qh6 37. Rd6 Ng4 38. Rf7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Goldin, Alexander"]
[Black "Sarkar, Justin"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2561"]
[BlackElo "2376"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack (Barcza system)"]
[WhiteFideId "2019540"]
[BlackFideId "2010011"]
[EventDate "2011.07.30"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. O-O Nd7 5. d3 e5 6. Qe1 Ngf6 7. e4 dxe4 8. dxe4
Bc5 9. Nbd2 O-O 10. h3 Bh5 11. Nc4 Re8 12. a4 Nb6 13. Na5 Qc7 14. Bd2 Nfd7 15.
Nh4 f6 16. Nf5 Bf8 17. b3 Nc5 18. Bb4 Ne6 19. Bxf8 Rxf8 20. f3 Rad8 21. Rf2 Rd7
22. Ne3 Nc8 23. b4 Bf7 24. h4 Nd4 25. c3 b6 26. Nac4 Nb3 27. Rb1 b5 28. Rxb3
bxc4 29. Rb1 a5 30. Bh3 Rdd8 31. Bf1 Qa7 32. Ra2 axb4 33. Rxb4 Nd6 34. Kg2 Qa5
35. Ra1 Rd7 36. Be2 Rfd8 37. Ra2 Qc5 38. Qf2 Ra7 39. Nf5 Qxf2+ 40. Kxf2 Nxf5 41.
exf5 Kf8 42. a5 Rda8 43. Rba4 Ke7 44. Bxc4 Bxc4 45. Rxc4 Rxa5 46. Rxa5 Rxa5 47.
Rxc6 Ra2+ 48. Ke3 h5 49. Rc7+ Kf8 50. c4 Rg2 51. c5 Rxg3 52. Rd7 Ke8 53. c6 Rg2
54. Ke4 Rc2 55. Kd5 Rd2+ 56. Ke6 Rc2 57. Kd6 Rd2+ 58. Kc7 Rg2 59. Rd6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Vilenchuk, Michael"]
[Black "Becerra Rivero, Julio"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2183"]
[BlackElo "2557"]
[ECO "C58"]
[Opening "Two knights defence"]
[WhiteFideId "2036959"]
[BlackFideId "3501728"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8.
Bd3 h6 9. Ne4 Nd5 10. Ng3 g6 11. Be4 f5 12. Bxd5 cxd5 13. Qe2 Nc6 14. O-O Bg7
15. Qb5 Qd7 16. c4 Nd4 17. Qxd7+ Kxd7 18. Nc3 dxc4 19. Nge2 Ba6 20. Re1 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Bowersock, Michael"]
[Black "Brown, Michael William"]
[Result "0-1"]
[WhiteElo "2064"]
[BlackElo "2121"]
[ECO "D27"]
[Opening "QGA"]
[Variation "classical, 6...a6"]
[WhiteFideId "2045320"]
[BlackFideId "2037602"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 a6 6. O-O c5 7. Bb3 Nbd7 8. e4
Nxe4 9. Qe2 Nd6 10. d5 e5 11. Nxe5 Be7 12. Nc3 O-O 13. Bc2 Re8 14. Nxd7 Bxd7 15.
Be3 Bf6 16. a4 Qa5 17. Rac1 Qb4 18. Bd3 Rac8 19. Qc2 g6 20. Rfe1 Bxc3 21. bxc3
Qxa4 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Ludwig, John Gabriel"]
[Black "Zepeda, Lorena"]
[Result "0-1"]
[BlackTitle "WIM"]
[BlackElo "2187"]
[ECO "B84"]
[Opening "Sicilian"]
[Variation "Scheveningen (Paulsen), classical variation"]
[BlackFideId "6700233"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Be7 8. O-O
O-O 9. f4 b5 10. e5 Nd5 11. Nxd5 exd5 12. a4 b4 13. Qd2 Qc7 14. Bf3 dxe5 15.
fxe5 Bb7 16. Bf4 Qb6 17. Kh1 Nc6 18. Nf5 Rfd8 19. Bg5 Qc7 20. Nxe7+ Nxe7 21. Bh5
Rf8 22. Bf6 Ng6 23. Bxg6 fxg6 24. Bh4 Qxe5 25. Qxb4 Bc6 26. Rfe1 Qf5 27. Qd4
Rae8 28. Rxe8 Rxe8 29. Qc5 Rc8 30. c4 dxc4 31. Qxc4+ Bd5 32. Qe2 h6 33. Bf2 Rc2
34. Qe8+ Kh7 35. Bd4 Rxg2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Pabon, Tony"]
[Black "Regam, Jessica"]
[Result "0-1"]
[WhiteElo "1627"]
[BlackElo "1819"]
[ECO "E92"]
[Opening "King's Indian"]
[Variation "Petrosian system, Stein variation"]
[WhiteFideId "2032376"]
[BlackFideId "2033496"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. d5 a5 8. Bg5 h6
9. Bd2 Na6 10. Qc1 Kh7 11. Bd3 Nc5 12. Bc2 Nh5 13. O-O Bd7 14. Ne1 Qh4 15. Be3
b6 16. f3 Nf4 17. Qd2 Nh5 18. Ne2 Qe7 19. Nc1 Nf4 20. Ncd3 Ncxd3 21. Nxd3 Nxd3
22. Qxd3 Kg8 23. a4 f5 24. b3 f4 25. Bf2 g5 26. Bd1 h5 27. h3 Rf6 28. Be1 Rg6
29. Ra2 Bf6 30. Kf2 Qg7 31. Rg1 Kf7 32. Kf1 Rg8 33. Bc3 g4 34. fxg4 hxg4 35.
Bxg4 Bxg4 36. hxg4 Rxg4 37. Be1 Bh4 38. Rb2 Bxe1 39. Kxe1 Rg3 40. Qe2 Re3 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Nakamura, Hikaru"]
[Black "Esserman, Marc"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2770"]
[BlackElo "2453"]
[ECO "D85"]
[Opening "Gruenfeld"]
[Variation "exchange variation"]
[WhiteFideId "2016192"]
[BlackFideId "2018616"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4+ Nd7 8.
Be3 O-O 9. Rc1 Nf6 10. Bd3 b6 11. Ne2 e5 12. f3 c5 13. O-O Be6 14. Rfd1 Qc7 15.
dxe5 Qxe5 16. Bf4 Qh5 17. Bb5 Bh6 18. Bc6 Rac8 19. e5 Bxf4 20. Qxf4 Qf5 21. Qxf5
gxf5 22. Ba4 Nd5 23. Kf2 f6 24. c4 Nc7 25. exf6 Kf7 26. Nf4 Rcd8 27. Bb3 Kxf6
28. h3 Bf7 29. g4 fxg4 30. hxg4 Ne6 31. Nxe6 Bxe6 32. Kg3 Bf7 33. f4 h6 34. Kh4
Rfe8 35. Kg3 Re3+ 36. Kf2 Red3 37. Rh1 Rd2+ 38. Kg3 R8d3+ 39. Kh4 Rd4 40. Rhf1
Re2 41. Rf3 Bg6 42. Rff1 Bf7 43. Rcd1 Ree4 44. Kg3 Re3+ 45. Kf2 Ree4 46. Kg3
Re3+ 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Battaglini, Gabriel"]
[Black "Kacheishvili, Giorgi"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2407"]
[BlackElo "2582"]
[ECO "D38"]
[Opening "QGD"]
[Variation "Ragozin variation"]
[WhiteFideId "621650"]
[BlackFideId "13600613"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. g3 O-O 6. Bg2 dxc4 7. O-O Nc6 8. a3
Be7 9. e4 Na5 10. Qe2 c6 11. Bf4 b5 12. Rad1 Bb7 13. Ne5 Re8 14. Rfe1 a6 15. g4
Bf8 16. g5 Nd7 17. Qg4 Nxe5 18. dxe5 Qc7 19. Re3 Rad8 20. Rd6 Bxd6 21. exd6 Rxd6
22. Bxd6 Qxd6 23. e5 Qd2 24. Ne4 Qc1+ 25. Bf1 Rd8 26. Nf6+ Kf8 27. Nxh7+ Ke7 28.
g6 Rd1 29. Qh4+ Kd7 30. Nf8+ Kc7 31. Qe7+ Kc8 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Berrios Echevarria, Gabriel"]
[Black "Sundararajan, Kidambi"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2229"]
[BlackElo "2491"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "4.e3"]
[WhiteFideId "3100928"]
[BlackFideId "5005370"]
[EventDate "2011.07.30"]

1. c4 c6 2. Nf3 Nf6 3. d4 d5 4. e3 g6 5. Nc3 Bg7 6. Bd3 O-O 7. O-O e6 8. b3 Nbd7
9. Bb2 b6 10. Qe2 Bb7 11. Rfd1 Re8 12. Rac1 Qe7 13. e4 dxe4 14. Nxe4 Nxe4 15.
Bxe4 Nf6 16. Bb1 c5 17. dxc5 bxc5 18. Be5 Rad8 19. h3 Bxf3 20. Qxf3 Nh5 21. Bxg7
Kxg7 22. a3 e5 23. g3 Nf6 24. Qc3 Rd4 25. b4 Qd7 26. Rxd4 cxd4 27. Qe1 e4 28.
Rd1 Qxh3 29. Qf1 Qd7 30. Qe1 d3 31. Qc3 Qg4 32. Re1 Rd8 33. Qd2 Qh5 34. Kg2 Qf3+
35. Kg1 Ng4 36. Qf4 d2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Anderson, Douglas"]
[Black "Riegelhaupt, Cory"]
[Result "1/2-1/2"]
[WhiteElo "1898"]
[ECO "D15"]
[Opening "QGD Slav"]
[Variation "4.Nc3"]
[WhiteFideId "2052156"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. Ne5 Bf5 6. Bf4 e6 7. e3 Nbd7 8. Rc1
Be7 9. cxd5 exd5 10. Be2 O-O 11. Qb3 Qb6 12. Nxd7 Nxd7 13. Qxb6 Nxb6 14. Bc7 Nd7
15. g4 Bg6 16. Na4 Bb4+ 17. Kd1 Nf6 18. a3 Be7 19. Nb6 Rae8 20. f4 Be4 21. Rf1
Bd8 22. Bxd8 Rxd8 23. g5 Ne8 24. Bg4 f5 25. Be2 Nd6 26. Ke1 Rfe8 27. Kf2 Nf7 28.
h4 g6 29. h5 Kg7 30. h6+ Kf8 31. Rc5 Nd6 32. Rfc1 Nc8 33. Nxc8 Rxc8 34. b4 Re6
35. R1c3 Ke7 36. Ke1 Kd7 37. Kd2 b6 38. Bxa6 bxc5 39. Bxc8+ Kxc8 40. Rxc5 Kb7
41. Kc3 Bg2 42. Kd2 Bf1 43. Rc1 Bb5 44. Rc3 Kb6 45. Rc2 Bc4 46. Rc3 Kb5 47. Kc2
Ka4 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Kelley, Dereque D"]
[Black "Bartholomew, John"]
[Result "1/2-1/2"]
[BlackTitle "IM"]
[WhiteElo "2203"]
[BlackElo "2442"]
[ECO "A58"]
[Opening "Benko gambit"]
[Variation "fianchetto variation"]
[WhiteFideId "2038439"]
[BlackFideId "2019353"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. g3 d6 8. Nf3
Bg7 9. Bg2 Nbd7 10. Rb1 O-O 11. O-O Qa5 12. Bd2 Rfb8 13. Qc2 Ng4 14. b3 Qa3 15.
Bc1 Qa5 16. Bb2 c4 17. h3 Nge5 18. Nd4 Rc8 19. b4 Qxb4 20. Nc6 Nxc6 21. dxc6 Nf6
22. Na4 Bb5 23. Nb6 Ba4 24. Bxf6 Qxb6 25. Qxc4 Qa6 26. Qxa6 Rxa6 27. c7 Rxc7 28.
Rb8+ Bf8 29. Bg5 Kg7 30. Rfb1 Bc2 31. R1b2 Bf5 32. g4 Be6 33. Re8 f6 34. Bxf6+
Kxf6 35. Rxf8+ Kg7 36. Ra8 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Kaufman, Larry C"]
[Black "Greanias, Steve"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[WhiteElo "2406"]
[BlackElo "2146"]
[ECO "D97"]
[Opening "Gruenfeld"]
[Variation "Russian, Byrne (Simagin) variation"]
[WhiteFideId "2000555"]
[BlackFideId "2006987"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Nc6 8. Be2
Bg4 9. d5 Bxf3 10. gxf3 Ne5 11. Qb3 c6 12. f4 Ned7 13. dxc6 bxc6 14. Be3 Qa5 15.
O-O Rab8 16. Qc2 Rxb2 17. Qxb2 Nxe4 18. Qb7 Nxc3 19. Bf3 Nb6 20. Rac1 Qxa2 21.
Bxb6 axb6 22. Qxb6 Ne2+ 23. Bxe2 Qxe2 24. Qe3 Qg4+ 25. Qg3 Qd7 26. Rfd1 Qc7 27.
Rc4 e6 28. Rdc1 Bh6 29. R1c2 Qd6 30. Rxc6 Qxf4 31. Qxf4 Bxf4 32. Rc8 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Shabalov, Alexander"]
[Black "Finegold, Spencer"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2577"]
[BlackElo "2037"]
[ECO "A16"]
[Opening "English"]
[Variation "Anglo-Gruenfeld, Czech defense"]
[WhiteFideId "2008572"]
[BlackFideId "2047527"]
[EventDate "2011.07.30"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6 6. Nf3 Bg7 7. O-O O-O 8. d3
Nc6 9. Be3 h6 10. Qd2 Kh7 11. Rfc1 e5 12. a4 a5 13. Nb5 f5 14. Ne1 e4 15. Rc2
Be6 16. Ra3 exd3 17. Rxd3 Qf6 18. Nxc7 Nc4 19. Qc1 N6e5 20. Nxa8 Nxd3 21. Nxd3
Nxe3 22. Qxe3 Rxa8 23. Bxb7 Rd8 24. Rc6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Robinson, Cayley H"]
[Black "Rich, Tony D"]
[Result "1/2-1/2"]
[ECO "A15"]
[Opening "English, 1...Nf6 (Anglo-Indian defense)"]
[BlackFideId "2050315"]
[EventDate "2011.07.30"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. e4 d6 6. Nge2 c5 7. O-O Nc6 8. d3
Rb8 9. h3 a6 10. Be3 b5 11. Qd2 Bd7 12. f4 Qb6 13. Rab1 Nd4 14. g4 Bc6 15. Nd5
Bxd5 16. exd5 a5 17. Ng3 bxc4 18. dxc4 Qb4 19. b3 Nd7 20. Be4 a4 21. Qxb4 Rxb4
22. Bd2 Rbb8 23. b4 cxb4 24. Bxb4 Rfc8 25. Bd3 Rc7 26. Ne4 Nc2 27. Bd2 Bd4+ 28.
Kh2 Na3 29. Rxb8+ Nxb8 30. Bb4 Nxc4 31. Rc1 Na6 32. Rxc4 Rxc4 33. Bxc4 Nxb4 34.
Kg2 Nc2 35. Kf3 a3 36. Bb3 Na1 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Gulamali, Kazim"]
[Black "Gareev, Timur"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2367"]
[BlackElo "2613"]
[ECO "A29"]
[Opening "English"]
[Variation "four knights, kingside fianchetto"]
[WhiteFideId "2024764"]
[BlackFideId "14200937"]
[EventDate "2011.07.30"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. d3 d6 7. O-O O-O 8. Bg5 h6
9. Bxf6 Bxf6 10. Rb1 a5 11. a3 Bg7 12. b4 axb4 13. axb4 Be6 14. Nd2 e4 15. Nd5
exd3 16. exd3 Ra2 17. b5 Nd4 18. Nb4 Ra7 19. h3 Qd7 20. Kh2 c6 21. bxc6 bxc6 22.
Nf3 d5 23. Nxd4 Bxd4 24. Qf3 Ra5 25. cxd5 cxd5 26. Qf4 Bg7 27. Rfc1 g5 28. Qd2
Rb8 29. Nc6 Rxb1 30. Nxa5 Rxc1 31. Qxc1 Qb5 32. Qc7 Qxd3 33. Qd8+ Bf8 34. Nc6
Kg7 35. Qb6 Qc4 36. Nd4 Bc8 37. Nf3 Qc5 38. Qb2+ Kg8 39. Qe5 Bg7 40. Qe8+ Qf8
41. Qe3 Bd7 42. h4 d4 43. Qe4 Qc5 44. Qa8+ Kh7 45. hxg5 hxg5 46. Qd8 g4 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Gurevich, Dmitry"]
[Black "Gelashvili, Tamaz"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2479"]
[BlackElo "2616"]
[ECO "E00"]
[Opening "Catalan opening"]
[WhiteFideId "2000407"]
[BlackFideId "13600702"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Qc7 6. b3 Bb4+ 7. Bd2 Bc5 8. Bc3
Ne4 9. Qd3 Nxc3 10. Nxc3 Nc6 11. Nxc6 Qxc6 12. Rg1 O-O 13. Bg2 d5 14. cxd5 exd5
15. Nxd5 Qh6 16. b4 Bd6 17. Qd2 Qg6 18. Rd1 Be6 19. Nf4 Bxf4 20. gxf4 Rac8 21.
Qd3 Qxd3 22. Rxd3 Rc4 23. a3 Rc1+ 24. Rd1 Rfc8 25. Rh1 R1c3 26. Bxb7 Rb8 27. Be4
Rxa3 28. f5 Bc4 29. Rg1 Ra2 30. Bf3 Bxe2 31. Bxe2 Re8 32. Rd2 Ra1+ 33. Rd1 Ra2 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Shvartsman, Andrew Nathaniel"]
[Black "Sadorra, Julio Catalino"]
[Result "1/2-1/2"]
[WhiteTitle "CM"]
[BlackTitle "GM"]
[WhiteElo "2209"]
[BlackElo "2495"]
[ECO "C03"]
[Opening "French"]
[Variation "Tarrasch"]
[WhiteFideId "2006111"]
[BlackFideId "5201268"]
[EventDate "2011.07.30"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 c5 5. exd5 exd5 6. dxc5 Bxc5 7. Ngf3 Nf6 8.
Nb3 Qe7+ 9. Qe2 Qxe2+ 10. Kxe2 Bd6 11. Re1 O-O 12. h3 Nc6 13. c3 Ne4 14. Kf1 Bf5
15. Kg1 Rfe8 16. Be3 Rad8 17. Nbd4 Bg6 18. Rad1 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Van Wely, Loek"]
[Black "Harmon, Luke"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2683"]
[BlackElo "2184"]
[ECO "E17"]
[Opening "Queen's Indian"]
[Variation "old main line, 6.O-O"]
[WhiteFideId "1000268"]
[BlackFideId "2030012"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Re1 Ne4 8. Qc2
f5 9. a3 Bf6 10. b4 c5 11. Bb2 d6 12. Nfd2 Bxd4 13. Bxd4 cxd4 14. Nxe4 fxe4 15.
Bxe4 Bxe4 16. Qxe4 Qf6 17. f4 Nd7 18. Nd2 Rae8 19. Qc6 Qe7 20. Ne4 e5 21. Nxd6
Rd8 22. e3 Kh8 23. c5 Qf6 24. Rad1 bxc5 25. bxc5 g5 26. exd4 gxf4 27. Rf1 Qg7
28. Qd5 exd4 29. Qxd4 Ne5 30. Rxf4 Rxf4 31. Qxf4 Rf8 32. Nf5 Qf6 33. Rd5 Nc6 34.
Qd6 Qa1+ 35. Kg2 Qb2+ 36. Kh3 Qf6 37. Qxf6+ Rxf6 38. g4 Kg8 39. Kg3 Kf8 40. Kf4
a5 41. h4 Re6 42. Rd6 Rxd6 43. cxd6 Nb8 44. g5 Nd7 45. h5 Kf7 46. Nd4 a4 47. Kf5
Nc5 48. Nc6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Vibbert, Sean"]
[Black "Mulyar, Michael A."]
[Result "1/2-1/2"]
[BlackTitle "IM"]
[WhiteElo "2159"]
[BlackElo "2410"]
[ECO "C78"]
[Opening "Ruy Lopez"]
[Variation "5.O-O"]
[WhiteFideId "2030292"]
[BlackFideId "2008742"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. d3 d6 8. c3 h6
9. h3 O-O 10. Re1 Bb7 11. Nbd2 Re8 12. Nf1 Qd7 13. Ng3 d5 14. exd5 Nxd5 15. Ne4
Be7 16. c4 Nf6 17. Nc3 Bb4 18. a4 Na5 19. Bc2 bxc4 20. Nxe5 Bxc3 21. bxc3 Qd5
22. Nf3 cxd3 23. Bxd3 Rad8 24. Rxe8+ Nxe8 25. Ne1 Nb3 26. Rb1 Nc5 27. c4 Qe4 28.
Bxe4 Rxd1 29. Be3 Rxb1 30. Bxb1 Nxa4 31. Bd4 c5 32. Be3 Nd6 33. Ba2 a5 34. Nd3
Nc3 35. Bxc5 Nde4 36. Bb3 a4 37. Bc2 Nxc5 38. Nxc5 a3 39. Nb3 a2 40. Na1 Kf8 41.
Bb3 Ke7 42. f3 Kd6 43. Kf2 Kc5 44. Ke3 Kb4 45. Kd3 Ba6 46. h4 f5 47. h5 f4 48.
Bxa2 Nxa2 49. Nc2+ Kc5 50. Ke4 Bxc4 51. Kxf4 Kd6 52. Ne3 Bd3 53. Nf5+ Bxf5 54.
Kxf5 Ke7 55. Kg6 Kf8 56. g4 Kg8 57. g5 hxg5 58. h6 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Naroditsky, Daniel"]
[Black "Adams, Nick A."]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[WhiteElo "2451"]
[BlackElo "2240"]
[ECO "B12"]
[Opening "Caro-Kann"]
[Variation "advance variation"]
[WhiteFideId "2026961"]
[BlackFideId "2009358"]
[EventDate "2011.07.30"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 c5 6. dxc5 Bxc5 7. Nxc5 Qa5+ 8. c3
Qxc5 9. Qa4+ Nd7 10. Bb5 Qc7 11. Ne2 a6 12. Nd4 Bg6 13. O-O Rc8 14. Bxd7+ Qxd7
15. Qa3 Ne7 16. Bg5 Nf5 17. g4 Nxd4 18. cxd4 h6 19. Bh4 h5 20. Rac1 Bc2 21. Rfe1
hxg4 22. Re2 Rxh4 23. Rexc2 Rxc2 24. Rxc2 g3 25. Qxg3 Rxd4 26. Qxg7 Rc4 27. Qh8+
Ke7 28. Rxc4 dxc4 29. Qh4+ Kf8 30. Qxc4 Qd2 31. Qc3 Qd1+ 32. Kg2 Qg4+ 33. Kf1
Qd1+ 34. Qe1 Qd3+ 35. Kg1 Qc4 36. h3 Qxa2 37. Qb4+ Kg7 38. Qxb7 Qb1+ 39. Kg2
Qg6+ 40. Kh2 Qc2 41. Qb6 Qd2 42. Qe3 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Gater, Daniel"]
[Black "Schlagenhauf, Mark"]
[Result "1/2-1/2"]
[WhiteElo "2136"]
[BlackElo "2179"]
[ECO "A42"]
[Opening "Modern defence"]
[Variation "Averbakh system, Kotov variation"]
[WhiteFideId "2050374"]
[BlackFideId "1500520"]
[EventDate "2011.07.30"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6 5. d5 Nd4 6. Be3 c5 7. dxc6 Nxc6 8. Qd2
Nf6 9. f3 O-O 10. Bd3 Ne5 11. Nge2 Be6 12. b3 Nxd3+ 13. Qxd3 a6 14. O-O Bd7 15.
a4 Rc8 16. a5 Bc6 17. b4 Nd7 18. f4 f5 19. exf5 gxf5 20. Nd4 Qe8 21. Ne6 Qg6 22.
Ng5 h6 23. Nf3 e5 24. Nd5 Rce8 25. Qd2 Nf6 26. Rac1 Ne4 27. Qd1 Kh8 28. fxe5
dxe5 29. Nh4 Qe6 30. Qh5 f4 31. Ng6+ Kg8 32. Nxf8 Rxf8 33. Nc7 Qe7 34. Bb6 Qxb4
35. Ne6 Rf7 36. Nxg7 Rxg7 37. Qh3 Qd2 38. Rcd1 Qc2 39. Qe6+ Kh7 40. Qf5+ Rg6 41.
Qf7+ Rg7 42. Qf5+ 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Mu, Joshua"]
[Black "Perez, Samuel"]
[Result "1-0"]
[WhiteElo "2145"]
[BlackElo "1832"]
[ECO "B10"]
[Opening "Caro-Kann defence"]
[WhiteFideId "2024420"]
[BlackFideId "2056089"]
[EventDate "2011.07.30"]

1. e4 c6 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qa5 5. Bc4 Bg4 6. d3 Nf6 7. Bd2 Qc7 8.
Qe2 Nbd7 9. O-O-O e6 10. h3 Bxf3 11. gxf3 O-O-O 12. Rdg1 Re8 13. f4 g6 14. Qf3
Bh6 15. Ne4 Nxe4 16. dxe4 f5 17. e5 Nb6 18. Bb3 Nd5 19. h4 Rhg8 20. Rg3 Bf8 21.
h5 g5 22. Bxd5 cxd5 23. fxg5 Kb8 24. Qe2 d4 25. f4 Rc8 26. Qd1 Qc4 27. Kb1 Rc6
28. Rd3 Ra6 29. b3 Qc6 30. Rxd4 Bc5 31. Rd3 Rc8 32. Bc1 Ba3 33. Bxa3 Rxa3 34.
Rd8 Ka8 35. Rxc8+ Qxc8 36. Qd2 Ra6 37. Rd1 Rc6 38. c4 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Victory, Thomas P"]
[Black "Tyagi, Kushan"]
[Result "0-1"]
[BlackElo "2113"]
[ECO "A46"]
[Opening "Queen's pawn"]
[Variation "Yusupov-Rubinstein system"]
[BlackFideId "2040069"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. Nbd2 d5 6. O-O Be7 7. b3 O-O 8. Bb2
Nbd7 9. Qe2 Ne4 10. Ne5 f5 11. f4 Nxe5 12. fxe5 c5 13. Bxe4 dxe4 14. Rad1 Qc7
15. c4 a6 16. g4 cxd4 17. Bxd4 Rad8 18. gxf5 exf5 19. c5 Bxc5 20. Bxc5 Qxc5 21.
Qc4+ Bd5 22. Qxc5 bxc5 23. Nb1 Be6 24. Rd6 Rxd6 25. exd6 Bd7 26. Nc3 Bc6 27. a4
g6 28. Rd1 Rd8 29. Nd5 Bxd5 30. Rxd5 Kf7 31. Rxc5 Ke6 32. Kf2 Rxd6 33. Ke2 Kd7
34. Re5 Rd3 35. b4 Rb3 36. b5 axb5 37. axb5 Kd6 38. Re8 Rxb5 39. Rd8+ Ke5 40.
Rd2 h5 41. h4 Rb6 42. Ra2 f4 43. Ra5+ Kf6 44. exf4 Rb3 45. Re5 Rh3 46. Rxe4 Rxh4
47. Kf3 Rh3+ 48. Kg2 Kf5 49. Ra4 Re3 50. Ra6 h4 51. Ra4 Re4 52. Rxe4 Kxe4 53.
Kh3 Kxf4 54. Kxh4 g5+ 55. Kh3 Kf3 56. Kh2 g4 57. Kg1 Kg3 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Serna, Jeffrey M"]
[Black "Qi, Richard"]
[Result "1-0"]
[ECO "C33"]
[Opening "KGA"]
[Variation "bishop's gambit"]
[WhiteFideId "2068591"]
[EventDate "2011.07.30"]

1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 f3 5. Nxf3 Qxe4 6. Bxf7+ Kd8 7. Kf2 Qf5
8. Bxg8 Rxg8 9. d4 Nc6 10. Rf1 d6 11. Kg1 Qg6 12. Nc3 Be7 13. Nd5 Be6 14. Nf4
Qf7 15. Nxe6+ Qxe6 16. d5 Qd7 17. dxc6 Qxc6 18. Kh1 Bf6 19. c3 Rf8 20. Ng5 Qd7
21. Nxh7 Rf7 22. Qh5 Ke8 23. Nxf6+ gxf6 24. Rxf6 Qe7 25. Bg5 Qd7 26. Qh8+ Ke7
27. Re1+ Qe6 28. Rexe6+ Kd7 29. Rxf7+ Kc6 30. Qd4 b5 31. Qe4+ Kb6 32. Be3+ Ka6
33. Qc6+ Ka5 34. b4+ Ka4 35. Qa6# 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Brooks, Steven Elliot"]
[Black "Ewing, Gabriel R"]
[Result "1/2-1/2"]
[ECO "A20"]
[Opening "English opening"]
[BlackFideId "2061880"]
[EventDate "2011.07.30"]

1. c4 e5 2. g3 f5 3. Bg2 Nf6 4. Nc3 Bb4 5. Qb3 Bxc3 6. Qxc3 Qe7 7. Nf3 Nc6 8. d3
O-O 9. O-O d6 10. b3 Bd7 11. e3 e4 12. Nd2 exd3 13. Qxd3 Ne5 14. Qc2 c6 15. Ba3
Rab8 16. Rfd1 b5 17. Nf3 b4 18. Nxe5 dxe5 19. Bb2 e4 20. a3 bxa3 21. Rxa3 Rb7
22. Rda1 Be6 23. Bf1 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Studen, Damir"]
[Black "Dixon, Dakota E"]
[Result "1/2-1/2"]
[WhiteElo "2239"]
[BlackElo "2069"]
[ECO "D79"]
[Opening "Neo-Gruenfeld, 6.O-O, main line"]
[WhiteFideId "2009129"]
[BlackFideId "2031442"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 c6 7. cxd5 cxd5 8. Ne5
Qb6 9. Nc3 Nc6 10. Nxc6 Qxc6 11. Bf4 Be6 12. Rc1 Qa6 13. Qb3 Rfd8 14. Nb5 Ne8
15. Rfd1 Qb6 16. Nc7 Nxc7 17. Qxb6 axb6 18. Bxc7 Rdc8 19. a3 b5 20. e3 Ra6 21.
e4 Rc6 22. Rxc6 bxc6 23. Bb6 dxe4 24. Bxe4 Bd5 25. Bxd5 cxd5 26. Re1 e6 27. Bc5
e5 28. Rd1 exd4 29. Bxd4 Rc2 30. Bxg7 Kxg7 31. b4 Rc3 32. Rxd5 Rxa3 33. Rxb5 Rb3
34. Rb7 g5 35. g4 Kg6 36. b5 f6 37. Kg2 h5 38. gxh5+ Kxh5 39. Rb8 Kg4 40. b6 Kf4
41. h3 Rb2 42. Rh8 Rxb6 43. h4 gxh4 44. Rxh4+ Kg5 45. Rc4 Rb3 46. f3 Rb1 47. Kg3 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Porrata, Felix"]
[Black "Xu, Grant Y"]
[Result "0-1"]
[WhiteElo "1889"]
[BlackElo "2123"]
[ECO "C19"]
[Opening "French"]
[Variation "Winawer, advance, positional main line"]
[WhiteFideId "2053284"]
[BlackFideId "2052318"]
[EventDate "2011.07.30"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Bd7 8. Bd3
Qa5 9. O-O Nbc6 10. Rb1 c4 11. Be2 Rb8 12. Qd2 h6 13. h3 b6 14. Nh2 Kd8 15. Bh5
g6 16. Bg4 Kc7 17. f4 Qa6 18. Be2 Qc8 19. a4 Kb7 20. Ba3 Nf5 21. Ng4 Ng3 22. Rf3
Ne4 23. Qe1 Na5 24. Bb4 Ka8 25. Nf2 Nxf2 26. Rxf2 Bxa4 27. Qc1 Nc6 28. Bd6 Rb7
29. Bf3 Qd8 30. Qa3 b5 31. Qc5 Ne7 32. Qa3 Nf5 33. Bc5 g5 34. Qc1 Rg8 35. Bg4
Ng3 36. Qe3 Ne4 37. f5 h5 38. Bxh5 exf5 39. Rxf5 Bxc2 40. Rbf1 Nxc5 41. dxc5
Bxf5 42. Rxf5 Rf8 43. Qd4 Qe7 44. Rf6 Re8 45. Rf5 Rc8 46. Qxd5 Rxc5 47. Qe4 f6
48. Bf3 Rxe5 49. Qc6 Kb8 50. Rxf6 Qc5+ 51. Qxc5 Rxc5 52. Rf8+ Rc8 53. Rxc8+ Kxc8
54. Bxb7+ Kxb7 55. Kf2 Kc6 56. Ke3 Kd5 57. g3 a5 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Smith, Michael"]
[Black "Gunawan, Cheston"]
[Result "0-1"]
[BlackElo "1936"]
[ECO "C97"]
[Opening "Ruy Lopez"]
[Variation "closed, Chigorin defence"]
[WhiteFideId "2061856"]
[BlackFideId "2015161"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. h3
O-O 9. c3 Na5 10. Bc2 c5 11. d4 Qc7 12. Bg5 h6 13. Bh4 Bb7 14. Nbd2 Rfe8 15.
dxe5 dxe5 16. Bxf6 Bxf6 17. Nf1 Nc4 18. Rb1 g6 19. Ne3 Nxe3 20. Rxe3 Rad8 21.
Rd3 Bxe4 22. Rxd8 Rxd8 23. Qe2 Bxc2 24. Qxc2 Qd6 25. Re1 Bg7 26. g4 Qd5 27. Qe4
Qxa2 28. Nxe5 Re8 29. Qf4 f6 30. Nd3 Rxe1+ 31. Nxe1 Qxb2 32. Qe3 Qb1 33. h4 f5
34. f3 fxg4 35. fxg4 b4 36. h5 Bxc3 37. Qe8+ Kh7 38. Kh2 gxh5 39. Qe7+ Bg7 40.
gxh5 Qf5 41. Qh4 Be5+ 42. Kg2 Qg5+ 43. Kh3 Qxh4+ 44. Kxh4 b3 45. Nd3 b2 46. Nxb2
Bxb2 47. Kh3 a5 48. Kh4 a4 49. Kg4 a3 50. Kh3 a2 51. Kg2 a1=Q 52. Kh2 Qa3 53.
Kh1 Qc3 54. Kg2 Qe3 55. Kh2 Qg5 56. Kh1 Kg7 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Whatley, Robert"]
[Black "Thompson, Buddy"]
[Result "1-0"]
[BlackElo "1877"]
[ECO "D31"]
[Opening "QGD"]
[Variation "Charousek (Petrosian) variation"]
[BlackFideId "2047772"]
[EventDate "2011.07.30"]

1. c4 e6 2. Nc3 d5 3. d4 Be7 4. Nf3 Nf6 5. e3 O-O 6. Bd3 Nbd7 7. b3 a6 8. O-O
dxc4 9. bxc4 c5 10. a4 b6 11. Qc2 Bb7 12. Ng5 h6 13. Nge4 Nxe4 14. Nxe4 Nf6 15.
Nxf6+ Bxf6 16. Rd1 cxd4 17. exd4 Bxd4 18. Bh7+ Kh8 19. Ra3 Qf6 20. Be4 Bxe4 21.
Qxe4 Bxf2+ 22. Kh1 Bc5 23. Rf3 Rad8 24. Rdf1 Qe7 25. Bb2 f5 26. Qf4 Qg5 27. Qc7
Qe7 28. Qf4 Kh7 29. Rh3 Rd7 30. Rh5 Qd6 31. Be5 Qd2 32. Qh4 Qd1 33. Re1 Bf2 34.
Rxh6+ gxh6 35. Qxf2 Qxa4 36. Qxb6 Qxc4 37. h3 Rg8 38. Kh2 Qd5 39. Qf2 Rb7 40.
Re2 Rb4 41. Qa7+ Qb7 42. Qc5 Rb5 43. Qd6 Rb6 44. Qd2 a5 45. Qa2 Qd5 46. Qa1 Rb3
47. Bf4 Rb4 48. Qc1 Rc4 49. Qf1 Re4 50. Rf2 Qc4 51. Qxc4 Rxc4 52. Be5 a4 53. Rb2
Kg6 54. Rb6 Re8 55. Rb7 Re4 56. Rg7+ Kh5 57. Bf6 a3 58. Ra7 Kg6 59. Bc3 Re3 60.
Rg7+ Kh5 61. g4+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Dean, Jim H."]
[Black "Yanovsky, Vlad"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2272"]
[ECO "A50"]
[Opening "Queen's pawn game"]
[WhiteFideId "2012340"]
[BlackFideId "2054361"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Qc2 Nbd7 5. cxd5 cxd5 6. Bf4 Nb6 7. Nc3 Bd7 8.
e3 Rc8 9. Qb3 e6 10. Ne5 a6 11. Be2 Be7 12. a4 a5 13. O-O O-O 14. Rfc1 Bc6 15.
Nb5 Bxb5 16. Qxb5 Ne4 17. Rxc8 Nxc8 18. Qxb7 Ncd6 19. Qa6 Bh4 20. Bg3 Nf5 21.
Bxh4 Qxh4 22. g3 Qg5 23. Nf3 Qh6 24. Rc1 Nxe3 25. Rc8 Ng4 26. Rxf8+ Kxf8 27.
Qc8+ Ke7 28. Qc7+ Ke8 29. Bb5+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Ukoli, James O"]
[Black "Strenzwilk, Denis"]
[Result "1/2-1/2"]
[BlackElo "2026"]
[ECO "D59"]
[Opening "QGD"]
[Variation "Tartakower variation"]
[WhiteFideId "2068877"]
[BlackFideId "2006677"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. cxd5
Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Rc1 Be6 12. Qa4 c5 13. Bd3 Nd7 14. O-O Rfc8
15. h3 Kf8 16. Rfe1 a6 17. Bb1 Qd6 18. Qc2 Nf6 19. dxc5 bxc5 20. Qd2 Qb6 21. b3
Ra7 22. e4 dxe4 23. Bxe4 Rd7 24. Qf4 Nxe4 25. Rxe4 Rcd8 26. Kh2 Bd5 27. Re3 Bxf3
28. Qxf3 Rd2 29. Qf5 Qd6+ 30. Kg1 g6 31. Qe4 Rxa2 32. Rf3 Kg7 33. Qc4 Qd5 34.
Qxc5 Qxc5 35. Rxc5 Rd7 36. Rc6 a5 37. Ra6 Rb7 38. g3 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Berisha, Enver"]
[Black "Coyle, Kevin"]
[Result "1-0"]
[ECO "D00"]
[Opening "Queen's pawn game"]
[WhiteFideId "3600122"]
[EventDate "2011.07.30"]

1. d4 d5 2. e3 Nf6 3. c4 c6 4. Nc3 Bf5 5. Nf3 e6 6. a3 Nbd7 7. Be2 Be7 8. O-O
O-O 9. b4 Ne4 10. Nxe4 Bxe4 11. Nd2 Nf6 12. Bb2 dxc4 13. Nxc4 a6 14. f3 Bg6 15.
e4 h6 16. Rc1 Qc7 17. g3 Rad8 18. Bd3 Nh7 19. Ne5 Bd6 20. Nxg6 fxg6 21. e5 Be7
22. Bxg6 Ng5 23. f4 Nf7 24. Qb3 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Perkovich, Kyle A"]
[Black "Berry, Jim"]
[Result "0-1"]
[BlackTitle "NCM"]
[ECO "B13"]
[Opening "Caro-Kann"]
[Variation "Panov-Botvinnik attack"]
[WhiteFideId "2062488"]
[EventDate "2011.07.30"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 dxc4 5. Bxc4 Nf6 6. h3 e6 7. Nf3 Be7 8. O-O
O-O 9. Nc3 b6 10. d5 Qc7 11. Qe2 exd5 12. Bxd5 Ba6 13. Qe5 Bd6 14. Qf5 Nc6 15.
Re1 Rad8 16. Bh6 Ne7 17. Qg5 Ng6 18. Bxg7 Kxg7 19. Nd4 Bc8 20. g3 Bxh3 21. Rac1
Bc5 22. Ncb5 Qd7 23. Bc6 Qg4 24. Qxg4 Bxg4 25. Nb3 Bb4 26. Re3 Bd2 27. Nxd2 Rxd2
28. Rb3 Be6 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Blair, David A"]
[Black "Saito, Kaita Alexander"]
[Result "1/2-1/2"]
[ECO "A46"]
[Opening "Queen's pawn game"]
[WhiteFideId "2043190"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 d6 3. Bg5 Nbd7 4. Nbd2 g6 5. e4 e5 6. c3 Bg7 7. dxe5 dxe5 8.
Bc4 c6 9. Qe2 Qc7 10. O-O O-O 11. Rfd1 a5 12. a4 Re8 13. b4 axb4 14. cxb4 Nf8
15. b5 Ne6 16. bxc6 bxc6 17. Rac1 Qa5 18. Nb3 Qb4 19. Nxe5 Nxg5 20. Nxc6 Qb6 21.
a5 Qc7 22. e5 Ng4 23. f4 Ne6 24. Bb5 Nh6 25. g3 Qb7 26. Qd3 Bf8 27. Rc2 Nf5 28.
g4 Nxf4 29. Qf3 Qxb5 30. gxf5 Bb7 31. Qxf4 Qxb3 32. fxg6 hxg6 33. Rdc1 Bxc6 34.
Rxc6 Rxa5 35. Rf1 Rexe5 36. Rxg6+ fxg6 37. Qxf8+ Kh7 38. Rf7+ Qxf7 39. Qxf7+ Kh6 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Kohler, Llewellyn K"]
[Black "Banerjee, Abhimanyu"]
[Result "1-0"]
[ECO "A03"]
[Opening "Bird's opening"]
[EventDate "2011.07.30"]

1. f4 d5 2. Nf3 c6 3. b3 Nf6 4. Bb2 Bf5 5. Nd4 Bd7 6. g3 c5 7. Nf3 Nc6 8. Bg2
Bf5 9. Nh4 Be4 10. Nf3 e6 11. d3 Bg6 12. Nbd2 Ng4 13. Nf1 Nf6 14. N1d2 Be7 15.
e3 O-O 16. h3 Qc7 17. O-O Rfd8 18. Rf2 Bd6 19. Nh4 e5 20. f5 e4 21. fxg6 Bxg3
22. Rxf6 hxg6 23. Rxc6 bxc6 24. Qg4 Be5 25. Bxe5 Qxe5 26. Rf1 exd3 27. cxd3
Qxe3+ 28. Rf2 Qxd3 29. Qf4 Rf8 30. Nhf3 f6 31. Qd6 Qb5 32. Bf1 Qb6 33. Bd3 g5
34. Qe6+ Kh8 35. Qf5 g6 36. Qxg6 Qc7 37. Nh2 Qg3+ 38. Kh1 Qxh3 39. Nf3 Rae8 40.
Bf1 Qh7 41. Bd3 Qxg6 42. Bxg6 Rd8 43. Ng4 f5 44. Nge5 Rd6 45. Nf7+ Rxf7 46. Bxf7
g4 47. Ne5 d4 48. Bc4 Rh6+ 49. Kg2 Kg7 50. Rxf5 Rh4 51. Rf7+ Kg8 52. Rxa7+ Kf8
53. Ng6+ Ke8 54. Nxh4 Kd8 55. Nf5 Kc8 56. Ne7+ Kd8 57. Nxc6+ Ke8 58. Kg3 Kf8 59.
Re7 d3 60. Bxd3 Kg8 61. Ne5 Kh8 62. Ng6+ Kg8 63. Bc4# 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Riley, Harold Ed"]
[Black "Robinson, Marcus P"]
[Result "0-1"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[BlackFideId "2004496"]
[EventDate "2011.07.30"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. g3 Nc6 5. Bg2 Qc7 6. d4 cxd4 7. f4 Nb6 8. Ne2
dxc3 9. Nbxc3 g6 10. O-O Bg7 11. b3 O-O 12. a4 d6 13. Nb5 Qd8 14. Bb2 dxe5 15.
a5 Nd7 16. Bc3 a6 17. Na3 exf4 18. Bxg7 Kxg7 19. Rxf4 Nxa5 20. Rh4 Qb6+ 21. Kh1
Nf6 22. b4 Nc6 23. Qb3 Be6 24. Qb2 Rad8 25. Nf4 Nd4 26. Qf2 Rd6 27. Re1 Rc8 28.
g4 Bxg4 29. Nd5 Nxd5 30. Bxd5 Rxd5 31. Rxg4 Qc6 32. Kg1 Nf5 33. h4 Qd6 34. h5
Rd2 35. Re2 Rc1+ 36. Kg2 Qd5+ 37. Rge4 Qxe4+ 38. Rxe4 Rxf2+ 39. Kxf2 Rc3 40. Nc4
Rb3 41. Na5 Rb2+ 42. Kf3 b6 43. Nc6 Rb3+ 44. Kf4 Kf6 45. hxg6 hxg6 46. Rc4 g5+
47. Ke4 Nd6+ 48. Kd5 Nxc4 49. Kxc4 Rb1 50. Nd4 e5 51. Ne2 Rd1 52. b5 a5 53. Nc3
Rc1 54. Kd3 Rxc3+ 55. Kxc3 g4 56. Kc4 Ke6 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.05"]
[Round "7"]
[White "Zhao, Audrey Jin Nin"]
[Black "Carter, Cary Franklin"]
[Result "1-0"]
[ECO "D06"]
[Opening "QGD"]
[Variation "Marshall defence"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 Nf6 3. Nc3 Bg4 4. Qb3 dxc4 5. Qxc4 Qd6 6. Nb5 Qd7 7. Nxc7+ Kd8 8.
Nxa8 Nc6 9. e3 Qc8 10. d5 Qd7 11. f3 Na5 12. Qb4 Bxf3 13. Qxa5+ b6 14. Nxb6 axb6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Esserman, Marc"]
[Black "Lenderman, Aleksandr"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2453"]
[BlackElo "2525"]
[ECO "B12"]
[Opening "Caro-Kann"]
[Variation "advance variation"]
[WhiteFideId "2018616"]
[BlackFideId "2021285"]
[EventDate "2011.07.30"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. O-O c5 7. dxc5 Nec6 8. Be3
Nd7 9. c4 dxc4 10. Na3 c3 11. Qb3 cxb2 12. Qxb2 Bxc5 13. Rfd1 Bxe3 14. fxe3 Rb8
15. Nd4 O-O 16. Nc4 Be4 17. Nd6 Bd5 18. e4 Nxd4 19. exd5 Nxe2+ 20. Qxe2 Qe7 21.
Qe4 Nb6 22. dxe6 fxe6 23. Rf1 Nd5 24. Rxf8+ Rxf8 25. Rf1 Rxf1+ 26. Kxf1 Qg5 27.
g3 Qd2 28. h4 Ne3+ 29. Kg1 Qd1+ 30. Kh2 Ng4+ 31. Kg2 Qd2+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Sadorra, Julio Catalino"]
[Black "Haskel, Jeffrey"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2495"]
[BlackElo "2212"]
[ECO "A30"]
[Opening "English"]
[Variation "symmetrical, hedgehog system"]
[WhiteFideId "5201268"]
[BlackFideId "2024900"]
[EventDate "2011.07.30"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 c5 5. O-O e6 6. Nc3 Be7 7. Re1 Nc6 8. e4
Qb8 9. e5 Ng4 10. h3 Nh6 11. g4 f5 12. exf6 gxf6 13. d4 cxd4 14. Nd5 Nf7 15. Bf4
e5 16. g5 fxg5 17. Nxe7 gxf4 18. Nxc6 Bxc6 19. Nxe5 O-O 20. Nxc6 dxc6 21. Bxc6
Qd6 22. Bxa8 Rxa8 23. Qg4+ Kh8 24. Re6 Qd7 25. Rae1 Rg8 26. Re8 Qxe8 27. Rxe8
Rxe8 28. Qd7 Re1+ 29. Kg2 f3+ 30. Kg3 Ne5 31. Qxd4 Kg7 32. Kf4 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Bartholomew, John"]
[Black "Lopez, Aldo F"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[WhiteElo "2442"]
[BlackElo "2182"]
[ECO "A90"]
[Opening "Dutch defence"]
[WhiteFideId "2019353"]
[BlackFideId "2024942"]
[EventDate "2011.07.30"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 c6 5. Nf3 d5 6. O-O Bd6 7. b3 Qe7 8. Bb2 O-O
9. Ne5 b6 10. Nd2 Bb7 11. Ndf3 Nbd7 12. a4 Ne4 13. a5 bxa5 14. Rxa5 Nxe5 15.
Nxe5 Bb4 16. Ra4 Nc3 17. Bxc3 Bxc3 18. c5 a5 19. Qc2 Bb4 20. Rfa1 f4 21. Nd3
fxg3 22. hxg3 Qf6 23. e3 Rae8 24. Nxb4 axb4 25. Rxb4 Bc8 26. f4 Qh6 27. Rb6 Bd7
28. Ra7 Ra8 29. Qa2 Rxa7 30. Qxa7 Be8 31. Qe7 Qg6 32. Qg5 Qb1+ 33. Bf1 Bg6 34.
Kf2 Qc2+ 35. Be2 h6 36. Qe5 Bf5 37. Rb7 Rf6 38. Qc7 Rg6 39. Qf7+ Kh7 40. Rb8
Rxg3 41. Qg8+ Kg6 42. Qe8+ Kh7 43. Qg8+ 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Kacheishvili, Giorgi"]
[Black "Barnett, Alexander"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2582"]
[BlackElo "2254"]
[ECO "D43"]
[Opening "QGD semi-Slav"]
[WhiteFideId "13600613"]
[BlackFideId "2019906"]
[EventDate "2011.07.30"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c6 5. Bg5 Be7 6. e3 a6 7. Qc2 Nbd7 8. Rd1 b5
9. c5 a5 10. a3 b4 11. Na2 Ba6 12. Bxa6 Rxa6 13. O-O bxa3 14. bxa3 Ne4 15. Bxe7
Qxe7 16. Rb1 O-O 17. Rb7 Qd8 18. Rfb1 Qc8 19. Nc3 f5 20. Ne2 g5 21. h4 h6 22.
hxg5 hxg5 23. Ne5 Nexc5 24. Ng6 Qxb7 25. Rxb7 Nxb7 26. Nxf8 Kxf8 27. g4 Nd6 28.
Ng3 fxg4 29. Qg6 Ke7 30. Qxg5+ Kf7 31. Qh5+ Ke7 32. Qh7+ Nf7 33. Qh4+ Kd6 34.
Nh5 Ra8 35. Qxg4 Rh8 36. Nf4 Re8 37. Kf1 Re7 38. Ng6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Van Wely, Loek"]
[Black "Gurevich, Dmitry"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2683"]
[BlackElo "2479"]
[ECO "E06"]
[Opening "Catalan"]
[Variation "closed, 5.Nf3"]
[WhiteFideId "1000268"]
[BlackFideId "2000407"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 b5 8. a4 b4
9. Qxc4 Bb7 10. Bf4 Nd5 11. Rc1 Nxf4 12. gxf4 Nd7 13. Nbd2 c5 14. dxc5 Nxc5 15.
Qc2 Rc8 16. Qd1 Bf6 17. Rab1 Qa5 18. b3 Rfd8 19. Qf1 Bc3 20. Nc4 Qa6 21. Nfe5 f6
22. Bxb7 Qxb7 23. Na5 Qe4 24. Nec4 Qxf4 25. e3 Qc7 26. Qh3 Rd5 27. e4 Rd3 28.
Qg4 h5 29. Qxh5 Qf4 30. Rd1 Bd4 31. Qe2 Bxf2+ 32. Kg2 Rg3+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Gareev, Timur"]
[Black "Battaglini, Gabriel"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2613"]
[BlackElo "2407"]
[ECO "D38"]
[Opening "QGD"]
[Variation "Ragozin variation"]
[WhiteFideId "14200937"]
[BlackFideId "621650"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. Bg5 h6 7. Bxf6 Qxf6 8. e3
O-O 9. Rc1 Qg6 10. h4 Bd7 11. Qc2 Qxc2 12. Rxc2 dxc4 13. Bxc4 a6 14. a3 Bd6 15.
Ne4 e5 16. dxe5 Nxe5 17. Nxd6 Nxf3+ 18. gxf3 cxd6 19. Ke2 Rac8 20. Rhc1 Be6 21.
f4 Rc6 22. Bd3 Rxc2+ 23. Rxc2 Rc8 24. Rd2 Rc5 25. Be4 Rb5 26. b4 Bc4+ 27. Bd3
Bxd3+ 28. Rxd3 a5 29. Rd4 axb4 30. Rxb4 Ra5 31. a4 g6 32. Kd3 Kg7 33. Kc4 Rc5+
34. Kb3 Rc1 35. Kb2 Rf1 36. Rxb7 Rxf2+ 37. Ka3 Rh2 38. a5 Rxh4 39. a6 Rh1 40.
Rb2 Ra1+ 41. Ra2 Rc1 42. Kb4 Rc8 43. a7 Ra8 44. Kb5 g5 45. fxg5 hxg5 46. Kc6 Kf6
47. Kb7 Rxa7+ 48. Rxa7 Ke5 49. Kc6 Ke4 50. Re7+ Kf3 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Gallegos, Paul"]
[Black "Kaufman, Larry C"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2086"]
[BlackElo "2406"]
[ECO "C36"]
[Opening "KGA"]
[Variation "Abbazia defence, modern variation"]
[WhiteFideId "2007274"]
[BlackFideId "2000555"]
[EventDate "2011.07.30"]

1. e4 e5 2. f4 d5 3. exd5 exf4 4. Nf3 Nf6 5. Bc4 Nxd5 6. O-O Be6 7. Qe2 Be7 8.
d4 O-O 9. Bb3 Re8 10. c4 Ne3 11. Bxe3 fxe3 12. Nc3 Bg4 13. Rad1 Bh4 14. g3 Bf6
15. c5 Nc6 16. Qc4 Bxf3 17. Rxf3 Nxd4 18. Kg2 e2 19. Rxd4 e1=N+ 20. Kf1 Qxd4 21.
Qxd4 Bxd4 22. Rxf7 Bxc3 23. Rxc7+ Kh8 24. bxc3 Nd3 25. Bc4 Ne5 26. Bd5 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Sundararajan, Kidambi"]
[Black "Nakamura, Hikaru"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2491"]
[BlackElo "2770"]
[ECO "A81"]
[Opening "Dutch defence"]
[WhiteFideId "5005370"]
[BlackFideId "2016192"]
[EventDate "2011.07.30"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 c6 8. c4 Qc7
9. Nbd2 Re8 10. Qc2 Na6 11. a3 e5 12. c5 e4 13. cxd6 Qxd6 14. Ne5 Be6 15. b4 Bd5
16. Ndc4 Qe6 17. Bc1 Ng4 18. Nxg4 Bxc4 19. Ne5 Bb3 20. Qc3 Ba4 21. g4 fxg4 22.
Bxe4 Nc7 23. f4 gxf3 24. Qxf3 Nb5 25. Bb2 Nxd4 26. Bxd4 Bxe5 27. Bxe5 Qxe5 28.
Qf7+ Kh8 29. Bd3 Re7 30. Qf6+ Qxf6 31. Rxf6 Rd8 32. Raf1 Kg7 33. Bc4 Rdd7 34.
Be6 Rd1 35. Bc4 Rxf1+ 36. Rxf1 a6 37. Rf4 Bc2 38. Kf2 Be4 39. Ke3 Bd5+ 40. Kd3
g5 41. Rd4 Bxc4+ 42. Rxc4 Rd7+ 43. Ke3 h5 44. Kf3 Kf6 45. h3 Rd5 46. Rc3 Ke6 47.
Re3+ Kd6 48. Re8 Rf5+ 49. Ke4 Rf4+ 50. Kd3 Rh4 51. Re3 a5 52. Kc3 axb4+ 53. axb4
b5 54. Rg3 Rc4+ 55. Kd2 Rxb4 56. Rxg5 Rh4 57. Rg3 Kc5 58. Kd3 Rd4+ 59. Kc3 b4+
60. Kb3 Kb5 61. Rg5+ c5 62. Rxh5 Re4 63. h4 Re3+ 64. Kc2 Rxe2+ 65. Kd3 Rh2 66.
Rh8 c4+ 67. Kd4 c3 68. h5 c2 69. Rc8 b3 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Mulyar, Michael A."]
[Black "Perrine, Dalton"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2410"]
[ECO "A30"]
[Opening "English"]
[Variation "symmetrical, hedgehog system"]
[WhiteFideId "2008742"]
[BlackFideId "2048434"]
[EventDate "2011.07.30"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 O-O 8. e4 d6
9. d4 cxd4 10. Nxd4 Qc8 11. b3 a6 12. Ba3 Rd8 13. Rc1 Nbd7 14. Qe2 Qc7 15. Nd5
exd5 16. cxd5 Nc5 17. b4 Bf8 18. bxc5 dxc5 19. Nf5 Re8 20. Bb2 Qd8 21. Qd2 Bc8
22. Qg5 Ra7 23. Rcd1 Bxf5 24. Qxf5 Rd7 25. Bh3 Rde7 26. e5 Nd7 27. e6 Nb8 28.
exf7+ Rxf7 29. Rxe8 Qxe8 30. Qe6 Qb5 31. Rd2 Nd7 32. d6 c4 33. Bf1 Nc5 34. Qxc4
Qd7 35. Bg2 Kh8 36. Bh3 b5 37. Bxd7 bxc4 38. Be8 Rb7 39. d7 Ne6 40. d8=Q Nxd8
41. Rxd8 Rxb2 42. Bc6 g6 43. Rxf8+ Kg7 44. Rc8 Rxa2 45. Bd5 a5 46. Rxc4 Ra1+ 47.
Kg2 a4 48. Rc2 Kf6 49. Ra2 Rxa2 50. Bxa2 Ke5 51. Kf3 Kd4 52. h4 h6 53. Kf4 a3
54. g4 h5 55. gxh5 gxh5 56. Kg5 Ke5 57. f4+ Kd6 58. Kf6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Goldin, Alexander"]
[Black "Ramirez, Alejandro"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2561"]
[BlackElo "2592"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack, Keres variation"]
[WhiteFideId "2019540"]
[BlackFideId "6500617"]
[EventDate "2011.07.30"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. O-O e5 5. d3 Bd6 6. c4 dxc4 7. dxc4 Ngf6 8.
Nc3 O-O 9. b3 e4 10. Ng5 Be5 11. Qc2 Re8 12. Bb2 Bf5 13. Rad1 h6 14. Ngxe4 Nxe4
15. Bxe4 Bxe4 16. Nxe4 Bxb2 17. Nc5 Ba3 18. Rxd7 Qf6 19. Na4 Bd6 20. Rd1 Qe6 21.
R7xd6 cxd6 22. Nc3 Rac8 23. Qd3 Qe5 24. Rd2 a6 25. a4 Qa5 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Zapata, Alonso"]
[Black "Mitkov, Nikola"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2472"]
[BlackElo "2527"]
[ECO "C67"]
[Opening "Ruy Lopez"]
[Variation "Berlin defence, open variation"]
[WhiteFideId "4400011"]
[BlackFideId "15000290"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8.
Qxd8+ Kxd8 9. Nc3 h6 10. h3 Bd7 11. b3 Kc8 12. Bb2 Ne7 13. Rad1 c5 14. Rd2 Be6
15. Nh2 g5 16. Ng4 b6 17. Nf6 Kb7 18. Rfd1 Ng6 19. Ncd5 Rd8 20. Nh5 b5 21. c4 a6
22. Kh2 Rb8 23. Bc3 Kc6 24. g3 b4 25. Bb2 a5 26. f4 gxf4 27. Nhxf4 h5 28. Rf2
Nxf4 29. gxf4 Rg8 30. Nf6 Rh8 31. f5 Bc8 32. Rd8 Kb7 33. Ne4 Ka7 34. e6 Bd6+ 35.
Nxd6 Rxd8 36. e7 Rxd6 37. e8=Q Bb7 38. Qxf7 Rd1 39. Kg3 Rc8 40. f6 Kb6 41. Qe6+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Gelashvili, Tamaz"]
[Black "Gulamali, Kazim"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2616"]
[BlackElo "2367"]
[ECO "D02"]
[Opening "Queen's bishop game"]
[WhiteFideId "13600702"]
[BlackFideId "2024764"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. e3 c5 5. c3 Nc6 6. Nbd2 Be7 7. Bd3 O-O 8. h3
Bd6 9. Bxd6 Qxd6 10. O-O e5 11. dxc5 Qxc5 12. e4 Be6 13. Re1 Rae8 14. Qc2 h6 15.
b4 Qd6 16. a3 a6 17. exd5 Nxd5 18. Nc4 Qc7 19. Ncxe5 Nxe5 20. Rxe5 Qxc3 21. Qxc3
Nxc3 22. Rc1 Rc8 23. Rc5 Rxc5 24. bxc5 Na2 25. Rc2 Bb3 26. Rb2 Bd5 27. Nd4 Nc3
28. Nf5 Re8 29. Nd6 Re1+ 30. Kh2 Na4 31. Rc2 Re5 32. f4 Re3 33. Bc4 Bc6 34. Nxf7
Kf8 35. Ne5 Nxc5 36. Nxc6 bxc6 37. Bf1 Nd7 38. Rxc6 Rxa3 39. Bxa6 Nf6 40. Be2
Re3 41. Bd1 Rd3 42. Bc2 Rd4 43. Rc8+ Ke7 44. Rc7+ Rd7 45. Rc4 Rd2 46. Kg3 Nd5
47. Kf3 Nb6 48. Rc6 Rd6 49. Rc3 Kf6 50. h4 g5 51. fxg5+ hxg5 52. h5 Nd7 53. Kg3
Ne5 54. Rb3 Nf7 55. Rb7 Rc6 56. Be4 Rc3+ 57. Kf2 Nh6 58. Rb6+ Ke5 59. Bf3 Nf5
60. h6 Rc7 61. Be2 Rf7 62. Kg1 Rf6 63. h7 Rf8 64. Rg6 Rh8 65. Bd3 Ne7 66. Rxg5+
Kf6 67. Rg3 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Sarkar, Justin"]
[Black "Mo, Kevin"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2376"]
[BlackElo "2095"]
[ECO "E84"]
[Opening "King's Indian"]
[Variation "Saemisch, Panno main line"]
[WhiteFideId "2010011"]
[BlackFideId "2052571"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 a6 8. Qd2
Rb8 9. Rc1 Bd7 10. Nd1 e6 11. Nf2 b5 12. c5 e5 13. d5 Ne7 14. c6 Bc8 15. g4 Ne8
16. Nd3 f5 17. g5 Kf7 18. Rg1 Rh8 19. Qa5 h6 20. h4 hxg5 21. hxg5 Bf8 22. Nb4
Ng8 23. Nc3 Be7 24. exf5 gxf5 25. Nxa6 Ra8 26. Bxb5 Rh5 27. Qa4 Bxg5 28. Bxg5
Rxg5 29. Kd2 Rh5 30. Qc4 Rh2+ 31. Ne2 Qh4 32. Nb4 Qh6+ 33. Kc2 Qe3 34. Rcf1 f4
35. Qd3 Qc5+ 36. Kb3 Ngf6 37. Nc3 Rh3 38. a4 Rg3 39. Rxg3 fxg3 40. Ne4 Qb6 41.
Nxg3 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Thompson, Buddy"]
[Black "Zhao, Audrey Jin Nin"]
[Result "0-1"]
[WhiteElo "1877"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "4.e3"]
[WhiteFideId "2047772"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Ne5 Nbd7 6. f4 Ne4 7. g3 Be7 8. Bh3
Nxe5 9. dxe5 dxc4 10. Qc2 Bb4+ 11. Kf1 Qd3+ 12. Qxd3 cxd3 13. Bg2 d2 14. Nxd2
Nxd2+ 15. Ke2 Nc4 16. a3 Be7 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Riegelhaupt, Cory"]
[Black "Jahnke, Gregg A"]
[Result "1/2-1/2"]
[BlackElo "1790"]
[ECO "C78"]
[Opening "Ruy Lopez"]
[Variation "Archangelsk (counterthrust) variation"]
[BlackFideId "2043114"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. d3 Be7 8. Be3
d6 9. c3 O-O 10. Nbd2 Na5 11. Bc2 Ng4 12. h3 Nxe3 13. fxe3 c5 14. d4 Bf6 15. d5
Bc8 16. Kh2 Rb8 17. b3 Bd7 18. Qe1 c4 19. b4 Nb7 20. g4 Ra8 21. a3 a5 22. Nb1
Kh8 23. Qg3 Kg8 24. h4 Kh8 25. Nbd2 Qb6 26. Rfe1 Qd8 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Hansen, Lars Bo"]
[Black "Dean, Jim H."]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2578"]
[BlackElo "2272"]
[ECO "D37"]
[Opening "QGD"]
[Variation "4.Nf3"]
[WhiteFideId "1400037"]
[BlackFideId "2012340"]
[EventDate "2011.07.30"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 h6 6. Bh4 dxc4 7. e3 c5 8. Bxc4
cxd4 9. exd4 O-O 10. O-O Nc6 11. Bg3 b6 12. a3 Bb7 13. Ba2 Nh5 14. Rc1 Nxg3 15.
fxg3 Bg5 16. Nxg5 Qxg5 17. Qd3 Rad8 18. Bb1 f5 19. Ne2 Ne5 20. Qc3 Rc8 21. h4
Rxc3 22. hxg5 Re3 23. Nf4 hxg5 24. dxe5 gxf4 25. gxf4 Bd5 26. Kf2 Rb3 27. Rc2
Be4 28. Rd2 Bxb1 29. Rxb1 Rc8 30. Re1 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Becerra Rivero, Julio"]
[Black "Shvartsman, Andrew Nathaniel"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "CM"]
[WhiteElo "2557"]
[BlackElo "2209"]
[ECO "B30"]
[Opening "Sicilian defence"]
[WhiteFideId "3501728"]
[BlackFideId "2006111"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. Bb5 Nge7 5. O-O Nd4 6. Nxd4 cxd4 7. Ne2 a6 8.
Bd3 Nc6 9. c3 Bc5 10. b4 Bb6 11. cxd4 Nxd4 12. Bb2 Nxe2+ 13. Qxe2 O-O 14. Qh5 f6
15. Kh1 Qe7 16. Bc3 g6 17. Qe2 d6 18. f4 Bd7 19. a4 Qe8 20. Bc4 Rc8 21. Bb3 Kg7
22. Qd3 Qe7 23. Rf3 Rfd8 24. Re1 Be8 25. g4 e5 26. Ref1 Bf7 27. Bxf7 Qxf7 28. g5
Qe6 29. gxf6+ Kf7 30. Rh3 Rh8 31. Rg3 Qc4 32. fxe5 dxe5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Boas, Toby"]
[Black "Shabalov, Alexander"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2199"]
[BlackElo "2577"]
[ECO "D30"]
[Opening "QGD Slav"]
[WhiteFideId "2038838"]
[BlackFideId "2008572"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 Ne4 6. Nxe4 dxe4 7. Nd2 f5 8. f3
Bd6 9. g3 exf3 10. Nxf3 O-O 11. c5 Bc7 12. Bc4 b6 13. Qe2 bxc5 14. dxc5 Qe7 15.
Bd2 Kh8 16. O-O e5 17. b4 Nd7 18. Nh4 g6 19. e4 f4 20. Nf3 g5 21. gxf4 gxf4 22.
Bc3 Nf6 23. Kh1 Bg4 24. Rg1 a5 25. a3 Qe8 26. Raf1 axb4 27. axb4 Qh5 28. Bb2 h6
29. Qg2 Rae8 30. h3 Qxh3+ 31. Qxh3 Bxh3 32. Re1 Kh7 33. Ra1 Bb8 34. Rgd1 Bg4 35.
Kg2 Re7 36. Ra6 Rg7 37. Kf2 Nxe4+ 38. Ke2 Ng5 39. Bd3+ Kh8 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Zepeda, Lorena"]
[Black "Berrios Echevarria, Gabriel"]
[Result "1/2-1/2"]
[WhiteTitle "WIM"]
[BlackTitle "FM"]
[WhiteElo "2187"]
[BlackElo "2229"]
[ECO "B42"]
[Opening "Sicilian"]
[Variation "Kan, 5.Bd3"]
[WhiteFideId "6700233"]
[BlackFideId "3100928"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O Qc7 7. Nc3 Nc6 8.
Nxc6 dxc6 9. a4 b6 10. Re1 e5 11. h3 Be7 12. Qe2 O-O 13. Nd1 Nd7 14. Ne3 Nc5 15.
Nf5 Bxf5 16. exf5 Nxd3 17. Qxd3 Rfd8 18. Qf3 Bf6 19. Be3 h6 20. Red1 c5 21. c3
Rab8 22. Qe4 c4 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Duggan, John E"]
[Black "Kelley, Dereque D"]
[Result "1-0"]
[BlackElo "2203"]
[ECO "A45"]
[Opening "Queen's pawn game"]
[WhiteFideId "423726"]
[BlackFideId "2038439"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. e3 e6 3. Bd3 c5 4. c3 Nc6 5. f4 b6 6. Nf3 Bb7 7. O-O g6 8. Nbd2 Bg7
9. Qe2 O-O 10. e4 cxd4 11. Nxd4 Ne8 12. N2f3 d6 13. Be3 Nc7 14. Nxc6 Bxc6 15.
Bd4 f6 16. f5 e5 17. Bf2 gxf5 18. exf5 d5 19. Qe3 Qe8 20. Be2 Rf7 21. Nh4 Bb5
22. Rae1 Qd7 23. Rd1 Bc6 24. Qg3 Kh8 25. Bh5 Rff8 26. Be3 Rfd8 27. Qh3 Ne8 28.
Bf3 Rac8 29. g4 Bb7 30. Be2 Qf7 31. Nf3 Qg8 32. Kf2 Nd6 33. Rg1 Nc4 34. Bxc4
dxc4 35. g5 Rxd1 36. Rxd1 Bxf3 37. Qxf3 fxg5 38. Bxg5 Qf7 39. f6 Bf8 40. Qf5 Rc5
41. Rd8 e4 42. Qf4 Rc6 43. Qe5 h6 44. Bh4 Kg8 45. Qf5 e3+ 46. Ke1 Rd6 47. Rc8
Rd5 48. Qg4+ Kh8 49. Qxc4 Kg8 50. Qg4+ Kh8 51. c4 Rd2 52. Bg3 Rg2 53. Qf5 Kg8
54. Bd6 Rg5 55. Qxg5+ hxg5 56. Rxf8+ Qxf8 57. Bxf8 Kxf8 58. b4 Kf7 59. Ke2 Kxf6
60. Kxe3 Ke5 61. Kf3 Kd4 62. c5 bxc5 63. bxc5 Kxc5 64. Kg4 Kb4 65. Kxg5 Ka3 66.
h4 Kxa2 67. h5 a5 68. h6 a4 69. h7 a3 70. h8=Q Kb1 71. Qb8+ Ka1 72. Qe5+ Kb1 73.
Qe4+ Kb2 74. Qb4+ Ka2 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Finegold, Spencer"]
[Black "Vilenchuk, Michael"]
[Result "0-1"]
[WhiteElo "2037"]
[BlackElo "2183"]
[ECO "B78"]
[Opening "Sicilian"]
[Variation "dragon, Yugoslav attack, 10.O-O-O"]
[WhiteFideId "2047527"]
[BlackFideId "2036959"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 d6 7. f3 Nf6 8. Qd2
O-O 9. Bc4 Bd7 10. O-O-O Rb8 11. Bb3 b5 12. Ncxb5 Ne5 13. Nc3 Qc7 14. Bh6 Nc4
15. Qg5 Bxh6 16. Qxh6 Rfc8 17. Bxc4 Qxc4 18. Nb3 a5 19. Rd4 Qc7 20. Qd2 a4 21.
Nxa4 e5 22. Rxd6 Bxa4 23. Rxf6 Bxb3 24. axb3 Ra8 25. Kb1 Qa7 26. c3 Qa1+ 27. Kc2
Qxh1 28. b4 Rd8 29. Qe2 Ra1 30. b5 Qb1+ 31. Kb3 Qa2+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Miller, Jake S"]
[Black "Serna, Jeffrey M"]
[Result "1-0"]
[WhiteElo "2037"]
[ECO "C63"]
[Opening "Ruy Lopez"]
[Variation "Schliemann defence, Berger variation"]
[WhiteFideId "2040883"]
[BlackFideId "2068591"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 Nf6 5. exf5 e4 6. Nh4 Nd4 7. Ba4 c6 8. d3
exd3 9. Qxd3 Bc5 10. Be3 Ng4 11. Bxd4 Bxd4 12. Qxd4 Qxh4 13. h3 Qe7+ 14. Kf1
Nh2+ 15. Rxh2 O-O 16. f6 Rxf6 17. Re1 Qd8 18. Ne4 Re6 19. Nd6 c5 20. Qd5 Qa5 21.
Re4 Qa6+ 22. Nb5 Kf8 23. Rxe6 dxe6 24. Qd6+ Qxd6 25. Nxd6 Ke7 26. Nxc8+ Rxc8 27.
Ke2 a6 28. c3 c4 29. Rh1 Rc5 30. Bc2 Ra5 31. a4 g6 32. Rd1 Re5+ 33. Kf3 Rg5 34.
Be4 b6 35. Rd4 Rc5 36. g4 b5 37. Bb7 a5 38. Ba6 e5 39. Re4 Rd5 40. Bxb5 Rd3+ 41.
Re3 Rxe3+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Adams, Nick A."]
[Black "Qi, Eric"]
[Result "1-0"]
[WhiteElo "2240"]
[ECO "A16"]
[Opening "English opening"]
[WhiteFideId "2009358"]
[BlackFideId "2034212"]
[EventDate "2011.07.30"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. g3 Bg7 5. Bg2 O-O 6. Nge2 c5 7. d3 a6 8. a4 Nc6
9. h3 Nd7 10. O-O e6 11. Be3 Qc7 12. d4 cxd4 13. Nxd4 Rb8 14. Rc1 Nde5 15. Ncb5
Qd7 16. Nxc6 Nxc6 17. Nxd6 Bxb2 18. Rb1 Be5 19. c5 Rd8 20. Bf4 Bd4 21. Qc2 e5
22. Bg5 Rf8 23. Rb6 f6 24. Be3 Qc7 25. Bh6 Rf7 26. Qc4 Na5 27. Qxf7+ Qxf7 28.
Nxf7 Kxf7 29. Rc1 g5 30. h4 Nc6 31. hxg5 Kg6 32. Bf8 Kxg5 33. Bd6 Ra8 34. Bf1 h5
35. Kg2 h4 36. f4+ exf4 37. gxf4+ Kh5 38. Be2+ Bg4 39. Bxg4+ Kxg4 40. Rxb7 Rg8
41. Rh7 Re8 42. Rg7+ Kh5 43. Kf3 Bb2 44. Rcg1 Nd4+ 45. Kf2 Rh8 46. f5 Nc2 47.
Rh1 Bd4+ 48. Ke2 Be5 49. Bxe5 fxe5 50. f6 Nd4+ 51. Ke3 Ne6 52. Re7 Ng5 53. Rxe5
Rf8 54. Rg1 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Rogers, Bradley K"]
[Black "Gater, Daniel"]
[Result "1/2-1/2"]
[WhiteElo "2104"]
[BlackElo "2136"]
[ECO "D02"]
[Opening "Queen's pawn game"]
[WhiteFideId "2019922"]
[BlackFideId "2050374"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 d5 3. g3 Bf5 4. Bg2 e6 5. O-O h6 6. b3 Be7 7. Bb2 O-O 8. Nbd2
c5 9. e3 Nc6 10. a3 Rc8 11. c4 Bh7 12. Rc1 a5 13. Qe2 dxc4 14. Nxc4 b5 15. Nce5
Nxe5 16. Nxe5 Qb6 17. Rfd1 Rfd8 18. dxc5 Bxc5 19. Rxd8+ Rxd8 20. b4 axb4 21.
axb4 Bxb4 22. Bd4 Qd6 23. Qxb5 Rb8 24. Qc6 Qf8 25. Ba7 Rd8 26. Qb7 Bd6 27. Nc6
Rd7 28. Qa6 Be4 29. Bd4 Bxg2 30. Kxg2 Nd5 31. Rb1 Qe8 32. e4 Ne7 33. Ne5 Rd8 34.
Rc1 Bb8 35. Nf3 Rd6 36. Qa1 Qf8 37. Qb2 Rc6 38. Rb1 Rc8 39. h4 Nc6 40. Bc3 Bd6
41. Rd1 Rb8 42. Qd2 Rd8 43. Qc2 Rc8 44. Qd3 Bc5 45. Rd2 Rd8 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Levison, Joshua"]
[Black "Duffy, George T"]
[Result "1-0"]
[ECO "B50"]
[Opening "Sicilian"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. Nc3 g6 4. d3 Bg7 5. Be3 Nf6 6. Be2 O-O 7. O-O Nc6 8. Qd2
b6 9. d4 Rb8 10. d5 a6 11. dxc6 b5 12. e5 b4 13. Nd1 Ne4 14. Qd3 d5 15. c7 Qxc7
16. Qxd5 Bb7 17. Qd3 Rbd8 18. Qc4 Kh8 19. c3 a5 20. cxb4 axb4 21. Bd3 f5 22.
exf6 Rxf6 23. Bxe4 Bxe4 24. Qxe4 Rfd6 25. Bf4 e5 26. Nxe5 Re6 27. Nxg6+ hxg6 28.
Bxc7 Rde8 29. Qxe6 Rxe6 30. a4 Bd4 31. a5 Rc6 32. a6 Rxc7 33. a7 Kg7 34. a8=Q
Rf7 35. Ra7 c4 36. Qh8+ Kxh8 37. Rxf7 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Myers, Dominique"]
[Black "Mu, Joshua"]
[Result "0-1"]
[WhiteElo "2109"]
[BlackElo "2145"]
[ECO "B02"]
[Opening "Alekhine's defence"]
[Variation "Welling variation"]
[WhiteFideId "2041715"]
[BlackFideId "2024420"]
[EventDate "2011.07.30"]

1. e4 Nf6 2. e5 Nd5 3. b3 d6 4. Nf3 Bg4 5. Be2 Nc6 6. d4 dxe5 7. c4 Ndb4 8. a3
Bxf3 9. Bxf3 Qxd4 10. axb4 Qxa1 11. Bxc6+ bxc6 12. Qf3 Qa6 13. b5 Qb7 14. bxc6
Qa6 15. O-O e6 16. Nc3 Be7 17. Nb5 Qb6 18. Be3 Qb8 19. Rd1 a6 20. Nxc7+ Qxc7 21.
Rd7 Qa5 22. h3 Rc8 23. Bg5 Rc7 24. b4 Qb6 25. c5 Qa7 26. Bxe7 Rxd7 27. Bd6 Rc7
28. Qe4 f6 29. f4 Kf7 30. fxe5 f5 31. Qf3 Rhc8 32. Qa3 Rxc6 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Xu, Grant Y"]
[Black "Jiang, Austin"]
[Result "1/2-1/2"]
[WhiteElo "2123"]
[ECO "C00"]
[Opening "French"]
[Variation "King's Indian attack"]
[WhiteFideId "2052318"]
[BlackFideId "2047659"]
[EventDate "2011.07.30"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Nf6 6. Bg2 e5 7. exd5 Nxd5 8. Nc4
f6 9. c3 Be6 10. O-O Be7 11. a4 O-O 12. Qe2 Qd7 13. Rd1 Nb6 14. b3 Rad8 15. Ba3
Bxc4 16. dxc4 Qe6 17. Nd2 f5 18. Qe3 e4 19. f3 Rd3 20. Qe2 Qd7 21. Nf1 Rd8 22.
Ne3 Bg5 23. f4 Bf6 24. Rxd3 exd3 25. Qd2 Qe7 26. Bd5+ Nxd5 27. Nxd5 Qe2 28. Qxe2
dxe2 29. Re1 Na5 30. Rxe2 Nxb3 31. Rb2 Na5 32. Bxc5 b6 33. Nxf6+ gxf6 34. Bd4
Nxc4 35. Rb4 Na5 36. Bxf6 Rd1+ 37. Kg2 Kf7 38. Be5 Ke6 39. Rd4 Rxd4 40. Bxd4 Nc4
41. Kh3 Kf7 42. Kh4 Kg6 43. g4 Nb2 44. gxf5+ Kxf5 45. Be5 Nxa4 46. Kh5 Nc5 47.
Kh6 Nd3 48. Bd6 Nxf4 49. Kxh7 Ne2 50. c4 Nd4 51. c5 bxc5 52. Bxc5 Nf3 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Zhao, Art"]
[Black "Sloan, Richard, Jr"]
[Result "1-0"]
[ECO "E47"]
[Opening "Nimzo-Indian"]
[Variation "4.e3 O-O, 5.Bd3"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 Bxc3+ 6. bxc3 b6 7. Nf3 Bb7 8.
O-O d5 9. Qe2 Nbd7 10. cxd5 Nxd5 11. Bd2 c5 12. e4 cxd4 13. exd5 dxc3 14. Bxc3
Bxd5 15. Be4 Bxe4 16. Qxe4 Nf6 17. Bxf6 Qxf6 18. Ne5 Rfd8 19. Rfd1 Rxd1+ 20.
Rxd1 Rd8 21. Rxd8+ Qxd8 22. Qd3 Qc7 23. g3 g6 24. f4 Kg7 25. Qd7 Qxd7 26. Nxd7
f6 27. Kf2 Kf7 28. Nb8 f5 29. Ke3 Kf6 30. Nc6 a6 31. Nb8 g5 32. Nxa6 e5 33.
fxe5+ Kxe5 34. Nb4 h5 35. h4 gxh4 36. gxh4 b5 37. a3 f4+ 38. Kf3 Kd4 39. Kxf4
Kc4 40. Na6 Kb3 41. Nc7 Kxa3 42. Nxb5+ Kb4 43. Kg5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Smalberger, Gert Jacobus"]
[Black "Unruh, Harrison"]
[Result "0-1"]
[ECO "E91"]
[Opening "King's Indian"]
[Variation "6.Be2"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Ne8 7. O-O Nc6 8. d5
Ne5 9. Nxe5 Bxe5 10. Bh6 Bg7 11. Bxg7 Kxg7 12. Qd4+ Kg8 13. e5 Bd7 14. Ne4 c5
15. dxc6 Bxc6 16. Rfd1 Bxe4 17. Qxe4 Qc7 18. exd6 Nxd6 19. Qe5 Rac8 20. Rac1
Rfd8 21. Bg4 e6 22. c5 Rd7 23. Qd4 Rdd8 24. Qf4 Nf5 25. Qxc7 Rxd1+ 26. Bxd1 Rxc7
27. Rc4 Nd6 28. Rc1 b6 29. c6 Nf5 30. Be2 Nd4 31. Bf1 Rxc6 32. Rxc6 Nxc6 33. a4
a5 34. b3 Nd4 35. Bc4 f5 36. f4 Kf7 37. Kf2 Kf6 38. Ke3 e5 39. g3 Nc2+ 40. Kd2
Nb4 41. Ke3 Nc2+ 42. Kd2 Nd4 43. Ke3 Ne6 44. fxe5+ Kxe5 45. Kf3 g5 46. Ke3 g4
47. Kf2 Nd4 48. Bg8 h6 49. Bc4 Nf3 50. Kg2 Kd6 51. h3 Kc5 52. hxg4 fxg4 53. Kf2
Kd4 54. Be2 Kc3 55. Bd1 Nd4 56. Bxg4 Nxb3 57. Ke3 Nc5 58. Bd1 Kb4 59. Kf4 Nxa4
60. Kg4 Nc3 61. Bc2 a4 62. Bxa4 Kxa4 63. Kh5 b5 64. Kxh6 Ne4 65. g4 b4 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Cline Jr, Hugh E"]
[Black "Bowersock, Michael"]
[Result "1/2-1/2"]
[BlackElo "2064"]
[ECO "B50"]
[Opening "Sicilian"]
[WhiteFideId "2061473"]
[BlackFideId "2045320"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 Bg4 5. Bb5+ Nc6 6. h3 Bh5 7. d3 e6 8. Nbd2
Be7 9. Nf1 Qc7 10. Ng3 Bg6 11. O-O d5 12. Qe2 dxe4 13. dxe4 Nd7 14. Rd1 O-O 15.
Bg5 f6 16. Bh4 Bf7 17. Nf1 a6 18. Bg3 Qc8 19. Ba4 b5 20. Bc2 Bh5 21. Bd6 Bxd6
22. Rxd6 Nde5 23. g4 Bf7 24. Ne3 Qc7 25. Rad1 Rfd8 26. Rxd8+ Rxd8 27. Rxd8+ Qxd8
28. Nxe5 Nxe5 29. f4 Ng6 30. Qf2 e5 31. Ng2 exf4 32. Nxf4 Nxf4 33. Qxf4 Bxa2 34.
e5 Qb8 35. Qe4 Qxe5 36. Qxh7+ Kf8 37. Qh8+ Kf7 38. Qh4 Qe3+ 39. Qf2 Qxf2+ 40.
Kxf2 Ke6 41. Ke3 Bd5 42. h4 Ke5 43. b4 Be6 44. Bd1 f5 45. gxf5 Bxf5 46. Bf3 Bc8
47. Be4 cxb4 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Regam, Jessica"]
[Black "Shah, Alexander"]
[Result "1-0"]
[WhiteElo "1819"]
[ECO "B38"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, Maroczy bind, 6.Be3"]
[WhiteFideId "2033496"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 d6 7. Nc3 Nf6 8. Be2
O-O 9. O-O Nxd4 10. Bxd4 e5 11. Be3 Qe7 12. f3 Rd8 13. Qc2 Be6 14. Rad1 Nh5 15.
Bd3 Nf4 16. b3 Nxd3 17. Rxd3 a6 18. Qd2 Bf6 19. Rd1 Qc7 20. Rxd6 Be7 21. Rxd8+
Bxd8 22. Nd5 Qc6 23. Bg5 Kf8 24. Bxd8 Rxd8 25. Qh6+ Ke8 26. Qxh7 Qc5+ 27. Kf1
Bxd5 28. Qh8+ Ke7 29. Qxd8+ Kxd8 30. Rxd5+ Qxd5 31. exd5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Mohn, James T"]
[Black "Berry, Frank K"]
[Result "1/2-1/2"]
[BlackElo "1900"]
[ECO "D00"]
[Opening "Blackmar-Diemer gambit"]
[BlackFideId "2021633"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nc3 d5 3. e4 dxe4 4. f3 e3 5. Bxe3 g6 6. Bc4 Bg7 7. Nge2 O-O 8. O-O
a6 9. a4 e6 10. Qd2 Bd7 11. Bh6 Bc6 12. Bxg7 Kxg7 13. Qd3 Nbd7 14. a5 Nd5 15.
Ne4 Qe7 16. c3 Rad8 17. f4 N7f6 18. N2g3 Ng4 19. Rfe1 Ngf6 20. Nxf6 Qxf6 21.
Bxd5 exd5 22. Qd2 Rfe8 23. Re5 Re6 24. Rf1 Rde8 25. Rf3 Kh8 26. f5 Rxe5 27. dxe5
Rxe5 28. fxg6 Qxg6 29. Qd4 f6 30. Qc5 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Gu, Christopher"]
[Black "Suich, Joshua"]
[Result "1-0"]
[WhiteElo "2222"]
[ECO "A45"]
[Opening "Trompovsky attack (Ruth, Opovcensky opening)"]
[WhiteFideId "2059460"]
[BlackFideId "2050277"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Bg5 e6 3. e4 c5 4. e5 h6 5. Bh4 g5 6. exf6 gxh4 7. d5 Qxf6 8. Nc3
d6 9. Bb5+ Bd7 10. dxe6 Qxe6+ 11. Nge2 Bxb5 12. Nxb5 Na6 13. O-O O-O-O 14. Nxa7+
Kb8 15. Nb5 Rg8 16. Kh1 Qg4 17. Rg1 h3 18. Ng3 Qd7 19. c4 hxg2+ 20. Rxg2 Rg4 21.
Rc1 Qe6 22. b3 d5 23. Qe2 Qxe2 24. Nxe2 Rxg2 25. Kxg2 d4 26. a3 Bg7 27. Nf4 Nc7
28. Nxc7 Kxc7 29. Kf3 Ra8 30. a4 Be5 31. Nd3 Bd6 32. Rg1 Bxh2 33. Rg7 Bd6 34.
Rxf7+ Kc6 35. Rf6 Rc8 36. Rf8 Bxf8 37. Kf4 Kd6 38. Kf5 Be7 39. Kg6 Ke6 40. Kxh6
Kf5 41. f3 b6 42. Kg7 Ke6 43. Kg6 Bd6 44. f4 Bxf4 45. Nxf4+ Ke5 46. Nd3+ Ke4 47.
a5 Kxd3 48. axb6 Kc2 49. b7 d3 50. b8=Q d2 51. Qh2 Kc1 52. Qf4 Kc2 53. Qf2 Kc1
54. Qe3 Kc2 55. Qe2 Kc1 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Garcia, Gildardo"]
[Black "Vibbert, Sean"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2368"]
[BlackElo "2159"]
[ECO "B63"]
[Opening "Sicilian"]
[Variation "Richter-Rauzer, Rauzer attack, 7...Be7"]
[WhiteFideId "4400020"]
[BlackFideId "2030292"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8.
O-O-O O-O 9. Nb3 a6 10. f4 b5 11. Bxf6 gxf6 12. f5 Ne5 13. Nd4 Kh8 14. Kb1 Bd7
15. fxe6 fxe6 16. g3 Qa5 17. Bh3 Nc4 18. Qe1 Qb4 19. Nb3 Rac8 20. Nd5 Qxe1 21.
Rhxe1 Bd8 22. Nf4 f5 23. exf5 e5 24. Ne6 Bxe6 25. fxe6 Be7 26. Re2 Rf6 27. Nd2
Nxd2+ 28. Rexd2 Kg7 29. Bg2 Rc5 30. Bd5 a5 31. c3 a4 32. Kc2 b4 33. c4 Rf8 34.
Re2 Rc7 35. Kd3 Bd8 36. b3 axb3 37. axb3 Ra7 38. Ke4 Bb6 39. Bc6 Bc5 40. Bd7 Kf6
41. Rf1+ Ke7 42. Rxf8 Kxf8 43. Kd5 Ra1 44. Re4 Rd1+ 45. Kc6 Rd4 46. Re1 Rd2 47.
Ra1 Ke7 48. Ra8 Rf2 49. Rh8 Rxh2 50. Re8+ Kf6 51. Rf8+ Ke7 52. Rf7+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Downs, Walter Thomas"]
[Black "Banerjee, Abhimanyu"]
[Result "0-1"]
[ECO "A00"]
[Opening "Dunst (Sleipner, Heinrichsen) opening"]
[EventDate "2011.07.30"]

1. Nc3 d5 2. e3 e5 3. Qh5 Nc6 4. Bb5 Qd6 5. d4 exd4 6. exd4 Nf6 7. Qe5+ Be6 8.
Bf4 Qxe5+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Gunawan, Cheston"]
[Black "Finney, Stuart"]
[Result "1-0"]
[WhiteElo "1936"]
[BlackElo "2162"]
[ECO "B84"]
[Opening "Sicilian"]
[Variation "Scheveningen (Paulsen), classical variation"]
[WhiteFideId "2015161"]
[BlackFideId "2029286"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Be7 8. f4
O-O 9. O-O Qc7 10. g4 b5 11. g5 Nfd7 12. f5 e5 13. Nd5 Qd8 14. f6 Bxf6 15. gxf6
exd4 16. Ne7+ Kh8 17. fxg7+ Kxg7 18. Bh6+ Kh8 19. Bxf8 Qxf8 20. Qxd4+ Ne5 21.
Qxd6 Nbd7 22. Nxc8 Qxc8 23. c3 Qb7 24. Qd4 Qc6 25. Kh1 f6 26. Qd5 Qc8 27. Rad1
Rb8 28. Bg4 Nxg4 29. Qxd7 Ne3 30. Qd4 Nxf1 31. Qxf6+ Kg8 32. Rxf1 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Shao, Stephanie"]
[Black "Young, Steven D"]
[Result "1-0"]
[BlackElo "1907"]
[ECO "C02"]
[Opening "French"]
[Variation "advance, Euwe variation"]
[WhiteFideId "2062216"]
[BlackFideId "2025965"]
[EventDate "2011.07.30"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 f6 7. Bf4 cxd4 8. cxd4
fxe5 9. dxe5 Nge7 10. Nd4 Ng6 11. Nxc6 bxc6 12. Bg3 Qb6 13. b4 c5 14. bxc5 Bxc5
15. Nd2 O-O 16. Nf3 Rxf3 17. gxf3 Qa5+ 18. Qd2 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Greanias, Steve"]
[Black "Naroditsky, Daniel"]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "2146"]
[BlackElo "2451"]
[ECO "A28"]
[Opening "English"]
[Variation "four knights, 4.e3"]
[WhiteFideId "2006987"]
[BlackFideId "2026961"]
[EventDate "2011.07.30"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 d6 6. Be2 O-O 7. O-O Re8 8. d3
Bg4 9. Bd2 a5 10. a3 Bxc3 11. Bxc3 a4 12. h3 Bh5 13. Rfe1 h6 14. Nd2 Bxe2 15.
Rxe2 Qd7 16. Nf1 d5 17. cxd5 Qxd5 18. Rd1 Qb5 19. Ng3 Rad8 20. Red2 Nd5 21. d4
Nxc3 22. bxc3 Na5 23. dxe5 Rxd2 24. Rxd2 Nb3 25. Rd1 Qxe5 26. Rd7 g6 27. Ne2 Qc5
28. Qb2 Qb5 29. Rxc7 Rd8 30. c4 Qa5 31. Re7 Qe1+ 32. Kh2 Qxf2 33. Qe5 Qxe2 34.
Re8+ Rxe8 35. Qxe8+ Kg7 36. Qe5+ Kh7 37. Qf4 Qb2 38. Qxf7+ Qg7 39. Qe8 Nc5 40.
h4 h5 41. g3 Qf6 42. Kg1 Qe6 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Riley, Harold Ed"]
[Black "Howe, Bob"]
[Result "0-1"]
[ECO "D00"]
[Opening "Queen's pawn game"]
[BlackFideId "2058014"]
[EventDate "2011.07.30"]

1. d4 d5 2. g3 Nf6 3. Bg2 Bf5 4. Bg5 Ne4 5. Be3 e6 6. f3 Nf6 7. Nd2 Nbd7 8. c4
c6 9. c5 Be7 10. h4 e5 11. Nb3 Qc7 12. Bf2 e4 13. Qd2 h6 14. g4 Be6 15. Rh3 exf3
16. Bxf3 Bxg4 17. Rg3 h5 18. Rg2 Nf8 19. a4 Ne6 20. a5 O-O 21. Bg3 Qd7 22. Qe3
Rfe8 23. Be5 Nf8 24. O-O-O Ng6 25. Bxg4 Nxg4 26. Qh3 N4xe5 27. dxe5 Qxh3 28.
Nxh3 Nxe5 29. Ng5 Nc4 30. Rd3 Bf6 31. Nd4 Bxg5+ 32. Rxg5 Re5 33. Nf5 f6 34.
Rxg7+ Kh8 35. Rg6 Rxf5 36. Rdg3 Kh7 37. Rg7+ Kh8 38. R7g6 Rf1+ 39. Kc2 Kh7 40.
Rg7+ Kh8 41. R7g6 Ne3+ 42. Rxe3 Rf4 43. Re7 Re4 44. Rxe4 dxe4 45. Rh6+ Kg7 46.
Rxh5 Rd8 47. e3 Kg6 48. Rg5+ fxg5 49. hxg5 a6 50. Kc3 Rd3+ 51. Kc4 Kxg5 52. b4
Kg4 53. b5 Kf3 54. Kb4 Kxe3 55. b6 Kd2 56. Kc4 Kc1 57. Kb4 Kc2 58. Kc4 Kb2 59.
Kb4 Rd4# 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Ewing, Gabriel R"]
[Black "Robinson, Cayley H"]
[Result "0-1"]
[ECO "C00"]
[Opening "French defence, Steiner variation"]
[WhiteFideId "2061880"]
[EventDate "2011.07.30"]

1. c4 e6 2. e4 d5 3. cxd5 exd5 4. exd5 Qxd5 5. d4 Nf6 6. Nc3 Qa5 7. Bc4 c6 8.
Qe2+ Be7 9. Nf3 Qc7 10. O-O O-O 11. Bg5 Bg4 12. Rfe1 Bd8 13. Qe3 Bxf3 14. Qxf3
Qb6 15. b3 Na6 16. Rad1 Nb4 17. Na4 Qa5 18. Re5 Nbd5 19. Nc5 Qc7 20. Rde1 b6 21.
Ne4 Nxe4 22. Qxe4 Bxg5 23. Rxg5 Nf6 24. Qf3 Qd6 25. Qg3 Qxg3 26. Rxg3 Rad8 27.
Re7 Rxd4 28. h3 Rd1+ 29. Kh2 b5 30. Be2 Re1 31. Ree3 Nd5 32. Re4 f5 33. Re5 Kh8
34. Rxd5 cxd5 35. Bxb5 Rd1 36. Rc3 d4 37. Rc7 Rd8 38. Rxa7 d3 39. a4 d2 40. Be2
Re1 41. Bf3 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Yim, Tony"]
[Black "Studen, Damir"]
[Result "0-1"]
[BlackElo "2239"]
[ECO "B01"]
[Opening "Scandinavian (centre counter) defence"]
[WhiteFideId "2062020"]
[BlackFideId "2009129"]
[EventDate "2011.07.30"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 c6 6. Ne5 Nbd7 7. Nc4 Qc7 8.
Qf3 Nb6 9. Bf4 Qd8 10. Be5 Be6 11. Ne3 Nbd5 12. Nexd5 Nxd5 13. Bc4 Qd7 14. Ne4
b6 15. Be2 Nf6 16. c4 Nxe4 17. Qxe4 Bf5 18. Qe3 f6 19. Bg3 e6 20. c5 Rd8 21. Rd1
b5 22. O-O Be7 23. f4 O-O 24. Bf3 Bg6 25. Be1 Bf7 26. Bc3 Qc7 27. Qe1 Qb7 28. a3
Rd7 29. Bg4 f5 30. Bf3 Bf6 31. Qe3 Re7 32. Rd2 Be8 33. Bd1 Bd7 34. Bb3 Qc8 35.
Re2 Qe8 36. Rfe1 Qf7 37. Qd3 Rfe8 38. Qb1 g5 39. Qc1 Qg7 40. Qd2 h6 41. Rd1 Kf7
42. Qe3 Bc8 43. Qf3 Bd7 44. Qe3 Rg8 45. Be1 gxf4 46. Qxf4 Qg4 47. Rf2 Qxf4 48.
Rxf4 Kg6 49. Rf3 Rd8 50. Bg3 Bc8 51. Bd6 Ree8 52. Rfd3 Rg8 53. Re1 Kf7 54. Be5
Bxe5 55. Rxe5 Kf6 56. Re2 Rg4 57. Red2 a5 58. Bd1 Rg7 59. Bf3 Bb7 60. Kf2 Rgd7
61. Ke3 Rc7 62. Rd1 Bc8 63. Kf4 Bd7 64. Ke3 Be8 65. R3d2 Kg5 66. g3 Bh5 67. Bxh5
Kxh5 68. Kf4 Kg6 69. b3 Kf6 70. Rd3 Rg7 71. h3 h5 72. Re1 h4 73. g4 fxg4 74.
hxg4 Rdg8 75. Rg1 Rg5 76. Rh3 Rd5 77. Rd1 Rh8 78. Re3 h3 79. Re5 h2 80. Rxd5
exd5 81. Rh1 Rh3 82. g5+ Kg6 83. Kg4 Rh7 84. Kg3 Kxg5 85. Rxh2 Rxh2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Gurczak, John"]
[Black "Ukoli, James O"]
[Result "0-1"]
[WhiteElo "2114"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "4.e3"]
[WhiteFideId "2042096"]
[BlackFideId "2068877"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Nbd7 6. Bb2 b6 7. Bd3 Bb7 8. O-O Be7
9. Nc3 Rc8 10. Qc2 Qc7 11. Rad1 O-O 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxe4 Nf6 15.
Bd3 h6 16. c5 Nd5 17. Ne5 Nb4 18. Qc4 a5 19. cxb6 Qxb6 20. Nd7 Qa7 21. Nxf8 Ba6
22. Qc3 Nxd3 23. Rxd3 Bb4 24. Qc2 Bxd3 25. Qxd3 Bxf8 26. Rc1 a4 27. h3 axb3 28.
axb3 Qa2 29. Ba1 Rb8 30. Qf1 Rxb3 31. Rxc6 Ba3 32. Rc8+ Kh7 33. Kh2 Bd6+ 34. Kg1
Ba3 35. Kh2 Qb1 36. Qe2 Bd6+ 37. g3 Ra3 38. Bc3 Ra2 39. Qf3 Qf1 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Berry, Jim"]
[Black "Berisha, Enver"]
[Result "0-1"]
[WhiteTitle "NCM"]
[ECO "B54"]
[Opening "Sicilian"]
[BlackFideId "3600122"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 e5 6. Nb3 Nf6 7. f3 h6 8. Be3
Be7 9. Qd2 Be6 10. O-O-O O-O 11. g4 a5 12. Kb1 a4 13. Nc1 a3 14. b3 Nb4 15. h4
Rc8 16. g5 Nh5 17. gxh6 Qc7 18. N1e2 g6 19. Bh3 d5 20. exd5 Bxh3 21. d6 Bxd6 22.
Qxd6 Qxd6 23. Rxd6 Bf5 24. Rc1 Nf4 25. Bxf4 exf4 26. Rd4 Nc6 27. Rxf4 Rfe8 28.
h5 b5 29. Ng3 Nd8 30. Nxb5 Bxc2+ 31. Ka1 Bd3 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Hough, Randall D."]
[Black "Offertaler, Bendeguz"]
[Result "1/2-1/2"]
[WhiteElo "1994"]
[ECO "E68"]
[Opening "King's Indian"]
[Variation "fianchetto, classical variation, 8.e4"]
[WhiteFideId "2010160"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. e4
exd4 9. Nxd4 c6 10. h3 Re8 11. Re1 a5 12. Be3 Nc5 13. Qc2 Nfd7 14. Rad1 a4 15.
Re2 Qa5 16. Red2 a3 17. b3 Na6 18. Nde2 Nb4 19. Qc1 Nc5 20. g4 f5 21. gxf5 gxf5
22. Ng3 fxe4 23. Ngxe4 Nxe4 24. Nxe4 Qh5 25. Nxd6 Bxh3 26. Nxe8 Bxg2 27. Kxg2
Qg4+ 28. Kf1 Rxe8 29. Rd8 Qh3+ 30. Kg1 Qg4+ 31. Kf1 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Concini, John W"]
[Black "Meduri, Aakaash"]
[Result "0-1"]
[BlackElo "2068"]
[ECO "B50"]
[Opening "Sicilian"]
[WhiteFideId "2061767"]
[BlackFideId "2032252"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. b3 Nf6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. d3 Nc6 7. c4 g6 8. Bb2
Bg7 9. O-O Nh5 10. Bxg7 Nxg7 11. d4 e5 12. dxc5 dxc5 13. Nc3 Qxd1 14. Raxd1 Rd8
15. Rxd8+ Kxd8 16. Ng5 Ke8 17. Nd5 h6 18. Nf3 Ne6 19. Rb1 Rf8 20. b4 f6 21. bxc5
Nxc5 22. Nh4 Kf7 23. f3 Rc8 24. g3 b6 25. Ng2 Na5 26. Nge3 Nd3 27. Ng4 f5 28.
exf5 gxf5 29. Nxh6+ Ke6 30. Nxf5 Nxc4 31. Nfe3 Nd2 32. Rd1 Nxf3+ 33. Kg2 Nfe1+
34. Kg1 Rf8 35. Nc2 Nxc2 36. Rxd3 Nd4 37. Nc3 Nf3+ 38. Kf2 Nxh2+ 39. Ke2 Rc8 40.
Kd1 Ng4 41. Kc2 Nf6 42. Kb3 Nd7 43. Re3 Nc5+ 44. Kb4 Na6+ 45. Kb3 Nc5+ 46. Kb4
a6 47. g4 Rd8 48. Rh3 Rd4+ 49. Ka3 b5 50. Rh6+ Kd7 51. Rh7+ Kd6 52. Rh6+ Ne6 53.
Kb3 Rxg4 54. a4 b4 55. Nb1 a5 56. Nd2 Kd5 57. Kc2 Nd4+ 58. Kc1 Rg1+ 59. Kb2 Rg2
60. Kc1 b3 61. Rb6 b2+ 62. Kxb2 Rxd2+ 63. Kc1 Ra2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.06"]
[Round "8"]
[White "Hellwig, Hannah M"]
[Black "Antler, Arthur S"]
[Result "0-1"]
[BlackElo "1968"]
[ECO "B24"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "2042657"]
[BlackFideId "2025540"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Nf6 8. Bh6 O-O
9. f3 d5 10. exd5 exd5 11. O-O-O d4 12. Ne4 Nb4 13. a3 Nxe4 14. fxe4 Na2+ 15.
Kb1 Nc3+ 16. Kc1 Nxd1 17. Kxd1 Bg4+ 18. Bf3 f5 19. exf5 Bxf3+ 20. Nxf3 Rxf5 21.
Bxg7 Kxg7 22. Qg2 Qd5 23. Rf1 Raf8 24. Ke2 Qe6+ 25. Kd2 Qe3+ 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Ramirez, Alejandro"]
[Black "Sadorra, Julio Catalino"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2592"]
[BlackElo "2495"]
[ECO "E69"]
[Opening "King's Indian"]
[Variation "fianchetto, classical main line"]
[WhiteFideId "6500617"]
[BlackFideId "5201268"]
[EventDate "2011.07.30"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. Nc3 e5 7. d4 Nbd7 8. e4 c6
9. h3 Qa5 10. Re1 exd4 11. Nxd4 Ne5 12. Bf1 Re8 13. Be3 c5 14. Nb3 Qb4 15. a3
Qb6 16. Nd2 Nc6 17. Rb1 Qd8 18. Bg2 Be6 19. f4 Nd7 20. Nd5 Bxd5 21. cxd5 Nd4 22.
b4 b5 23. bxc5 Nxc5 24. Nf1 Qf6 25. Rb4 Ndb3 26. Rxb3 Nxb3 27. Qxb3 Qc3 28. Qxc3
Bxc3 29. Rb1 Reb8 30. e5 a5 31. exd6 b4 32. a4 b3 33. d7 Rb4 34. Bc5 Rc4 35. Be7
b2 36. d8=Q+ Rxd8 37. Bxd8 Rxa4 38. d6 Ra1 39. Be4 f5 40. Bd3 Kf7 41. Bb6 Ke6
42. Ne3 a4 43. Nd1 Bf6 44. Nxb2 Rxb1+ 45. Bxb1 Bxb2 46. Bc5 Kd7 47. Bc2 Kc6 48.
d7 Bf6 49. Ba3 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Gelashvili, Tamaz"]
[Black "Becerra Rivero, Julio"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2616"]
[BlackElo "2557"]
[ECO "E94"]
[Opening "King's Indian"]
[Variation "orthodox variation"]
[WhiteFideId "13600702"]
[BlackFideId "3501728"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O exd4 8. Nxd4
Re8 9. f3 Nc6 10. Be3 Nh5 11. Qd2 Nf4 12. Rfd1 Nxd4 13. Bxd4 Bxd4+ 14. Qxd4
Nxe2+ 15. Nxe2 b6 16. Nc3 Bb7 17. Rac1 Qg5 18. Nd5 Bxd5 19. cxd5 Re7 20. Qd2 Qe5
21. Rc4 f5 22. Rdc1 fxe4 23. Rxe4 Qf6 24. Qf4 Qxf4 25. Rxf4 a5 26. Rfc4 Ra7 27.
Kf2 a4 28. Re4 Rf7 29. Rec4 Kf8 30. Ke3 Ke8 31. R1c3 Kd8 32. f4 Ra5 33. Rd4 Re7+
34. Kf3 Rb5 35. Rc2 Kd7 36. Rcd2 Ra5 37. a3 Ra8 38. Rb4 Re1 39. g3 Ra5 40. Kg4
Re7 41. Kg5 Rf7 42. Kh6 Re7 43. g4 Rf7 44. h4 Rc5 45. Rxa4 Rc1 46. f5 gxf5 47.
Rf4 Re7 48. Rxf5 Rg1 49. g5 c6 50. Rf6 c5 51. Rdf2 Rh1 52. h5 Rd1 53. R2f5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Shabalov, Alexander"]
[Black "Rodriguez, Eric"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2577"]
[BlackElo "2320"]
[ECO "C70"]
[Opening "Ruy Lopez"]
[Variation "Cozio defence deferred"]
[WhiteFideId "2008572"]
[BlackFideId "2023628"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. Bb3 g6 6. d4 exd4 7. Ng5 d5 8. Qf3
f5 9. exd5 Na5 10. d6 Qxd6 11. Nf7 Qf6 12. Bg5 Qg7 13. Nxh8 Nxb3 14. axb3 Qxh8
15. O-O 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Mitkov, Nikola"]
[Black "Sarkar, Justin"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2527"]
[BlackElo "2376"]
[ECO "B12"]
[Opening "Caro-Kann"]
[Variation "Tartakower (fantasy) variation"]
[WhiteFideId "15000290"]
[BlackFideId "2010011"]
[EventDate "2011.07.30"]

1. e4 c6 2. d4 d5 3. f3 Qb6 4. Nc3 dxe4 5. fxe4 e5 6. Nf3 exd4 7. Qxd4 Qxd4 8.
Nxd4 Bc5 9. Nb3 Bd6 10. Nd2 Nd7 11. Nc4 Bc7 12. Be3 Ngf6 13. O-O-O Ng4 14. Bg1
Ke7 15. h3 Nge5 16. Bh2 Re8 17. Be2 g6 18. a4 Bb8 19. Ne3 a5 20. h4 h5 21. Rhf1
Kf8 22. Bf4 Nb6 23. b3 Be6 24. Nb1 Kg7 25. Nd2 f6 26. g3 Rh8 27. Rg1 Kf7 28.
Rdf1 Ke7 29. Ng2 Bh3 30. Rd1 Bxg2 31. Rxg2 Nbd7 32. Bf1 Bd6 33. Re2 Rad8 34. Bg2
Nc5 35. Rf1 Ne6 36. Bh3 Nd4 37. Ref2 Rhf8 38. Kb1 Rf7 39. Be3 Bc5 40. Rxf6 Rxf6
41. Rxf6 Kxf6 42. Bg5+ Kf7 43. Bxd8 Ne2 44. Bg5 Nc3+ 45. Kb2 Nd1+ 46. Ka1 Nc3
47. Kb2 Nd1+ 48. Kc1 Nc3 49. Nb1 Nxe4 50. Bf4 Kf6 51. Bg2 Kf5 52. Kd1 Bf2 53.
Bxe4+ Kxe4 54. Nd2+ Kd5 55. Ke2 Bd4 56. Nb1 b5 57. Bd2 bxa4 58. bxa4 Nc4 59. Be1
Ke4 60. Nd2+ Nxd2 61. Bxd2 Bb6 62. Bf4 Bd8 63. Be3 Bc7 64. Bf2 Be5 65. Be1 Bc7
66. Bf2 Bd6 67. Be1 Bc7 68. Bf2 Be5 69. Be1 Bc7 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Dean, Jim H."]
[Black "Esserman, Marc"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2272"]
[BlackElo "2453"]
[ECO "A81"]
[Opening "Dutch defence"]
[WhiteFideId "2012340"]
[BlackFideId "2018616"]
[EventDate "2011.07.30"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nh3 e6 5. Nf4 d6 6. Nc3 Qe7 7. e4 c6 8. O-O fxe4
9. Nxe4 Nxe4 10. Bxe4 Bg7 11. a4 O-O 12. Ra3 Nd7 13. Bg2 e5 14. Re1 Qf7 15. Bh3
Nb6 16. Bxc8 Raxc8 17. dxe5 dxe5 18. Nd3 Rce8 19. Qg4 Nc4 20. Rb3 e4 21. Rxe4
Ne5 22. Rxe5 Rxe5 23. Bf4 Rd5 24. Be3 b6 25. Nf4 Rf5 26. h4 Rd8 27. Kh2 Qc4 28.
Rd3 Rxd3 29. cxd3 Qxa4 30. d4 Qb5 31. d5 cxd5 32. h5 d4 33. Bxd4 Rxh5+ 34. Nxh5
Qxh5+ 35. Qxh5 gxh5 36. Bxg7 Kxg7 37. Kg2 Kg6 38. Kf3 Kf5 39. Ke3 h4 40. gxh4 h5
41. Kd4 a5 42. Kd5 a4 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Lopez, Aldo F"]
[Black "Mulyar, Michael A."]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "2182"]
[BlackElo "2410"]
[ECO "B03"]
[Opening "Alekhine's defence"]
[Variation "Balogh variation"]
[WhiteFideId "2024942"]
[BlackFideId "2008742"]
[EventDate "2011.07.30"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bc4 c6 5. Nf3 Bg4 6. O-O e6 7. Bb3 dxe5 8. dxe5
Nd7 9. c4 Ne7 10. Bf4 Ng6 11. Bg3 Be7 12. Re1 Nc5 13. Nbd2 Bf5 14. Bc2 Bxc2 15.
Qxc2 Qd3 16. Qc1 Qf5 17. Re3 O-O-O 18. a3 h5 19. h3 h4 20. Bh2 Nd3 21. Qc3 Bc5
22. Re2 Ngf4 23. Bxf4 Nxf4 24. Ree1 Qg6 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Kaufman, Larry C"]
[Black "Duggan, John E"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[WhiteElo "2406"]
[ECO "A84"]
[Opening "Dutch defence"]
[WhiteFideId "2000555"]
[BlackFideId "423726"]
[EventDate "2011.07.30"]

1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. Nc3 d5 5. Bg5 c6 6. e3 Bd6 7. Bd3 O-O 8. O-O Qe8
9. Bf4 Qe7 10. Bxd6 Qxd6 11. Qe2 g6 12. Ne5 Nbd7 13. f4 Ne4 14. Bxe4 fxe4 15.
Rac1 Qe7 16. Qg4 Nxe5 17. fxe5 Bd7 18. Ne2 Rae8 19. h4 Qg7 20. Rf4 Rf5 21. Rcf1
Ref8 22. Ng3 Rxf4 23. Rxf4 Rxf4 24. Qxf4 h6 25. c5 Be8 26. Qg4 Bf7 27. b4 g5 28.
hxg5 Qxg5 29. Qxg5+ hxg5 30. Kf2 Kg7 31. Ne2 Bh5 32. Nc3 Kf7 33. b5 Ke7 34. bxc6
bxc6 35. Kg3 Kd7 36. Kh3 Ke7 37. g4 Be8 38. Kg3 Bd7 39. Kf2 Bc8 40. a4 Ba6 41.
Ke1 Bc4 42. a5 Ba6 43. Nd1 Bc8 44. Nf2 Kf7 45. Nh1 Ba6 46. Ng3 Bb7 47. Nh5 Ba6
48. Nf6 Bc8 49. Kd2 Ba6 50. Nd7 Ke7 51. Nf6 Kf7 52. Nh7 Kg6 53. Nf8+ Kf7 54. Nd7
Ke7 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Studen, Damir"]
[Black "Juac, Majur"]
[Result "1-0"]
[WhiteElo "2239"]
[BlackElo "2185"]
[ECO "E10"]
[Opening "Queen's pawn game"]
[WhiteFideId "2009129"]
[BlackFideId "2035898"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 Bb4+ 5. Bd2 Be7 6. cxd5 exd5 7. Nc3 O-O 8.
Bg2 Nbd7 9. O-O c6 10. Bf4 Nh5 11. Rc1 Nxf4 12. gxf4 Bd6 13. e3 Re8 14. Kh1 Re6
15. Ne2 Rh6 16. Ng3 Nf6 17. Qd3 Ng4 18. h3 Qb6 19. Rc2 Nf6 20. Nf5 Bxf5 21. Qxf5
Qd8 22. Ng5 Qd7 23. Qxd7 Nxd7 24. a3 a5 25. b4 Nb6 26. bxa5 Nc4 27. Ra1 Rxa5 28.
a4 b5 29. Bf1 Be7 30. Raa2 Rd6 31. axb5 Rxa2 32. Rxa2 cxb5 33. Ra7 Bxg5 34. fxg5
Rd8 35. Rb7 Nd6 36. Rb6 Ne4 37. Kg2 Nxg5 38. Rxb5 Ne4 39. Bd3 Nf6 40. f3 g6 41.
Bc2 Kf8 42. Bb3 Ke7 43. Kf2 Kd6 44. Rb6+ Ke7 45. Ke2 Rd7 46. Kd3 Ne8 47. e4 Nc7
48. Ba4 Rd6 49. Rb7 Kd8 50. Rb8+ Ke7 51. Rc8 dxe4+ 52. fxe4 Rd7 53. Bxd7 Kxd7
54. Rh8 h5 55. Rh7 Ke7 56. d5 Ne8 57. e5 Kf8 58. d6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Kacheishvili, Giorgi"]
[Black "Goldin, Alexander"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2582"]
[BlackElo "2561"]
[ECO "D31"]
[Opening "QGD"]
[Variation "Charousek (Petrosian) variation"]
[WhiteFideId "13600613"]
[BlackFideId "2019540"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 c6 6. Qc2 g6 7. e3 Bf5 8. Qd2
Nf6 9. f3 h5 10. Bd3 Bxd3 11. Qxd3 Nbd7 12. Nge2 O-O 13. O-O b5 14. Rac1 Rc8 15.
Rc2 b4 16. Na4 Qa5 17. b3 c5 18. dxc5 Nxc5 19. Nxc5 Rxc5 20. Rxc5 Bxc5 21. Rc1
Qb6 22. Ng3 Rc8 23. Nf1 Qe6 24. Kf2 Rc6 25. Bg5 Ne8 26. Rd1 Nc7 27. Ng3 Qe5 28.
f4 Qe8 29. f5 Bb6 30. fxg6 fxg6 31. Ne2 Kh7 32. Bf4 Qf7 33. Kg1 Qe7 34. Kh1 Kg7
35. h3 h4 36. Nd4 Rc3 37. Qe2 Bxd4 38. Rxd4 Ne6 39. Be5+ Kh7 40. Rxd5 Rc1+ 41.
Rd1 Qc5 42. Bd6 Rxd1+ 43. Qxd1 Qxe3 44. Bxb4 Ng7 45. Qe1 Qf4 46. Bd2 Qf6 47. Bc3
Qd8 48. Qd2 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Gurevich, Dmitry"]
[Black "Gareev, Timur"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2479"]
[BlackElo "2613"]
[ECO "E94"]
[Opening "King's Indian"]
[Variation "orthodox variation"]
[WhiteFideId "2000407"]
[BlackFideId "14200937"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. O-O exd4 8. Nxd4
Re8 9. f3 c6 10. Kh1 Nh5 11. g4 Nf6 12. Bf4 Qe7 13. Nc2 Bf8 14. Qd4 Nbd7 15.
Rad1 Ne5 16. Ne3 a6 17. a4 Nfd7 18. a5 Nc5 19. Qd2 Be6 20. b4 Ncd7 21. Rg1 Kh8
22. Bg3 g5 23. f4 gxf4 24. Bxf4 Qf6 25. Rdf1 Ng6 26. Bxd6 Qg5 27. Rf5 Qd8 28.
Rf2 Bxd6 29. Qxd6 Nde5 30. Qd1 Qg5 31. Qc1 Rad8 32. Na4 Nd3 33. Bxd3 Rxd3 34.
Nf5 Qxc1 35. Rxc1 Rb3 36. Nc5 Rxb4 37. Nd6 Re7 38. Nxe6 Rxe6 39. Nxf7+ Kg7 40.
e5 Nxe5 41. Nxe5 Rxe5 42. Kg2 Rxa5 43. Rcf1 Re5 44. Rf7+ Kg6 45. Kg3 Re6 46. Rd7
h5 47. h3 hxg4 48. hxg4 Rf6 49. Rxf6+ Kxf6 50. Kh4 Ke6 51. Rc7 a5 52. g5 Kd6 53.
Rf7 Rxc4+ 54. Kh5 b5 55. g6 Rc1 56. g7 Rh1+ 57. Kg6 Rg1+ 58. Kh7 Kd5 59. Rf1 Rg3
60. g8=Q+ Rxg8 61. Kxg8 a4 62. Ra1 c5 63. Kf7 c4 64. Rd1+ Kc5 65. Ke6 c3 66. Ke5
Kc4 67. Ke4 b4 68. Rd8 a3 69. Ra8 c2 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Kustanovich, Michael"]
[Black "Sundararajan, Kidambi"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2242"]
[BlackElo "2491"]
[ECO "D04"]
[Opening "Queen's pawn game"]
[WhiteFideId "2804301"]
[BlackFideId "5005370"]
[EventDate "2011.07.30"]

1. Nf3 Nf6 2. d4 d5 3. e3 g6 4. c4 c6 5. Qb3 Bg7 6. Nc3 O-O 7. Bd3 dxc4 8. Bxc4
Nbd7 9. Ng5 Qe8 10. f4 b5 11. Be2 Rb8 12. Qc2 c5 13. Bxb5 cxd4 14. exd4 Qd8 15.
O-O Nb6 16. Rd1 Nbd5 17. Be2 Qc7 18. Qd2 Bf5 19. Nb5 Qd7 20. Na3 Ne4 21. Nxe4
Bxe4 22. Nc4 Nb4 23. Ne3 Rfd8 24. a3 Nc6 25. d5 Nd4 26. Bc4 Nb3 27. Bxb3 Rxb3
28. Qe2 Qb7 29. Qc4 Bf5 30. Nxf5 gxf5 31. a4 Rb4 32. Qc5 Rc8 33. Qe3 Re4 34. Qg3
Kh8 35. Ra3 Rg8 36. Qf2 Rd8 37. Qc5 Rc8 38. Qb5 Qc7 39. Rad3 Qc2 40. R3d2 Qxa4
41. Qxa4 Rxa4 42. d6 exd6 43. Rxd6 h6 44. b3 Re4 45. Rd8+ Rxd8 46. Rxd8+ Kh7 47.
Kf2 Bd4+ 48. Kf3 Bb6 49. Rd3 Re1 50. Bb2 Rf1+ 51. Kg3 h5 52. Be5 Bc5 53. Rc3 Bb6
54. Rc8 Be3 55. Rc4 Rc1 56. Rb4 Kg6 57. Rb7 f6 58. Bd6 Rc3 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Naroditsky, Daniel"]
[Black "Brown, Michael William"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2451"]
[BlackElo "2121"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack (Barcza system)"]
[WhiteFideId "2026961"]
[BlackFideId "2037602"]
[EventDate "2011.07.30"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. d3 Be7 6. Nbd2 h6 7. b3 O-O 8. Bb2
c5 9. Ne5 Qc7 10. e4 Bh7 11. f4 Nc6 12. Nxc6 Qxc6 13. Qe2 Rfe8 14. Kh1 Rad8 15.
g4 Nd7 16. Qf2 Bf6 17. e5 Be7 18. f5 Bg5 19. f6 Qc7 20. fxg7 Re7 21. Nf3 d4 22.
Rae1 f6 23. h4 Be3 24. Rxe3 dxe3 25. Qxe3 f5 26. Qxh6 Nf8 27. gxf8=Q+ Rxf8 28.
Ng5 Qd7 29. Ne4 Qc8 30. gxf5 Rg7 31. f6 Rg6 32. Qf4 Kh8 33. Nd6 Qd7 34. h5 Rgg8
35. f7 Rg7 36. Qf6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Chiang, Michael"]
[Black "Van Wely, Loek"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2062"]
[BlackElo "2683"]
[ECO "B40"]
[Opening "Sicilian defence"]
[WhiteFideId "2006405"]
[BlackFideId "1000268"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 e6 3. b3 Nc6 4. Bb2 a6 5. g3 d6 6. Bg2 Nf6 7. Nc3 Be7 8. O-O O-O
9. d4 cxd4 10. Nxd4 Bd7 11. Nce2 Rc8 12. c4 b5 13. cxb5 Nxd4 14. Nxd4 axb5 15.
Qd2 Qb6 16. Rac1 e5 17. Nc2 Bc6 18. Rfe1 Bb7 19. Nb4 Rxc1 20. Bxc1 Rc8 21. Bb2
h5 22. a3 h4 23. Na2 Nh7 24. Nc3 Ng5 25. Qe3 Qxe3 26. Rxe3 h3 27. Bf1 Bd8 28.
Nd5 Rc2 29. Re2 Nf3+ 30. Kh1 Nd2 31. Bc3 Rc1 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Mu, Joshua"]
[Black "Bartholomew, John"]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "2145"]
[BlackElo "2442"]
[ECO "B40"]
[Opening "Sicilian defence"]
[WhiteFideId "2024420"]
[BlackFideId "2019353"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. b4 cxb4 6. c4 Nc7 7. d4 d6 8. exd6
Qxd6 9. Nbd2 Be7 10. Bd3 Nc6 11. Ne4 Qd8 12. Bf4 O-O 13. O-O e5 14. dxe5 Bg4 15.
Nd6 Ne6 16. Bg3 Bxd6 17. exd6 Qf6 18. Be2 Nf4 19. Nd4 Nxd4 20. Bxg4 Qxd6 21. c5
Qf6 22. Qd2 g5 23. Rad1 Nc6 24. Bxf4 Qxf4 25. Qxf4 gxf4 26. Bf3 Rfd8 27. Rd6
Rxd6 28. cxd6 a5 29. h4 Nd4 30. Bd5 Ne2+ 31. Kh2 Nc3 32. d7 Rd8 33. Bxb7 Rxd7
34. Ba6 Nxa2 35. Ra1 b3 36. Bc4 a4 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Battaglini, Gabriel"]
[Black "Zepeda, Lorena"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "WIM"]
[WhiteElo "2407"]
[BlackElo "2187"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[WhiteFideId "621650"]
[BlackFideId "6700233"]
[EventDate "2011.07.30"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. f4 Nc6 7. Nc3 dxe5 8. fxe5
Bf5 9. a3 e6 10. Nf3 Be7 11. Bd3 Bg4 12. O-O O-O 13. h3 Bh5 14. g4 Nxc3 15. bxc3
Bg6 16. Bxg6 hxg6 17. Ra2 Rc8 18. Raf2 Na5 19. Qd3 Nc4 20. h4 Qd5 21. Bg5 Bxg5
22. hxg5 Rfd8 23. Rh2 Kf8 24. Nh4 Ke8 25. Rhf2 Rc7 26. Ng2 Nxe5 27. Qg3 Nxg4 28.
Qxc7 Nxf2 29. Rxf2 Rd7 30. Qb8+ Rd8 31. Qxa7 Qxg5 32. Qxb7 Rd7 33. Qc8+ Rd8 34.
Qc6+ Kf8 35. Qxe6 Qc1+ 36. Kh2 Qh6+ 37. Qh3 Qxh3+ 38. Kxh3 Ra8 39. Ra2 Rc8 40.
a4 Rxc3+ 41. Kh2 Ke7 42. a5 Rc7 43. a6 Ra7 44. Ne3 Kd6 45. Ra5 Kc6 46. d5+ Kb6
47. Nc4+ Kc7 48. Rc5+ Kd7 49. Nb6+ Kd6 50. Rc6+ Ke5 51. d6 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Kleiman, Jake"]
[Black "Hansen, Lars Bo"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2375"]
[BlackElo "2578"]
[ECO "E04"]
[Opening "Catalan"]
[Variation "open, 5.Nf3"]
[WhiteFideId "2020041"]
[BlackFideId "1400037"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Nd7 7. Qxc4 Nb6 8. Qb5
a6 9. Qd3 Nb4 10. Qd1 c5 11. e3 cxd4 12. exd4 Bd7 13. Ne5 Ba4 14. b3 Bb5 15. a4
Bc6 16. Nxc6 Nxc6 17. O-O Nd5 18. Bb2 Bb4 19. Qd3 O-O 20. Nd2 Bxd2 21. Qxd2 Na5
22. Qd3 Qb6 23. Bxd5 exd5 24. Ba3 Rfe8 25. Bc5 Qg6 26. Rad1 Qxd3 27. Rxd3 Re2
28. Bb6 Nc6 29. Rc1 Rae8 30. Rc5 R2e6 31. Re3 Rxe3 32. fxe3 Rxe3 33. b4 h6 34.
b5 axb5 35. axb5 Ne7 36. Rc7 Nf5 37. Rxb7 Rd3 38. Ba7 Rd2 39. Rd7 Nxd4 40. Bxd4
Rxd4 41. b6 Rb4 42. b7 Kh7 43. Rxf7 Rb2 44. Rd7 d4 45. Kf1 d3 46. h4 Rb1+ 47.
Kf2 d2 48. Rxd2 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Vibbert, Sean"]
[Black "Regam, Jessica"]
[Result "1-0"]
[WhiteElo "2159"]
[BlackElo "1819"]
[ECO "C14"]
[Opening "French"]
[Variation "classical, Steinitz variation"]
[WhiteFideId "2030292"]
[BlackFideId "2033496"]
[EventDate "2011.07.30"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3
c5 9. Qd2 Nc6 10. dxc5 Nxc5 11. Bd3 b5 12. Ne2 Bb7 13. O-O O-O 14. Nfd4 Nxd4 15.
Nxd4 f6 16. Qe3 Rae8 17. Rae1 Nd7 18. exf6 Rxf6 19. g4 e5 20. g5 Rff8 21. Bf5 e4
22. Qh3 Nf6 23. gxf6 Qxf6 24. Qxh7+ Kf7 25. Qh5+ Kg8 26. Bh7+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Tyagi, Kushan"]
[Black "Gallegos, Paul"]
[Result "1-0"]
[WhiteElo "2113"]
[BlackElo "2086"]
[ECO "E62"]
[Opening "King's Indian"]
[Variation "fianchetto, Simagin variation"]
[WhiteFideId "2040069"]
[BlackFideId "2007274"]
[EventDate "2011.07.30"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. Nf3 d6 6. d4 Nc6 7. O-O Bg4 8. Qd3
Nd7 9. e3 e5 10. d5 Ne7 11. Nd2 Nc5 12. Qc2 a5 13. b3 f5 14. f3 Bh5 15. Bb2 g5
16. a3 Na6 17. f4 gxf4 18. exf4 e4 19. Nb5 c6 20. Bxg7 Kxg7 21. Nd4 Kg8 22. Ne6
Qb6+ 23. Kh1 Rf6 24. Qc3 Rg6 25. Nxe4 Rxe6 26. dxe6 fxe4 27. Bxe4 Nc5 28. Bc2
Nxe6 29. Qf6 Qe3 30. g4 Bxg4 31. Bxh7+ Kxh7 32. Qh4+ Kg8 33. Qxg4+ Ng7 34. f5
Rf8 35. f6 Rf7 36. Rae1 Qd3 37. Rg1 Nf5 38. Re8+ Kh7 39. Qg6# 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Liang, Awonder"]
[Black "Gater, Daniel"]
[Result "0-1"]
[WhiteElo "1832"]
[BlackElo "2136"]
[ECO "B96"]
[Opening "Sicilian"]
[Variation "Najdorf, 7.f4"]
[WhiteFideId "2056437"]
[BlackFideId "2050374"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4
Be7 9. Qf3 Nbd7 10. O-O-O Qc7 11. Bd3 g5 12. fxg5 Ne5 13. Qe2 Nfg4 14. Nf3 hxg5
15. Bg3 Nxf3 16. gxf3 Ne5 17. f4 gxf4 18. Bxf4 Bd7 19. Bxe5 dxe5 20. Rdf1 Rh7
21. h4 O-O-O 22. h5 Bg5+ 23. Kb1 Rdh8 24. Rfg1 f6 25. Qd1 Be8 26. Be2 Qd7 27.
Nd5 Kb8 28. Bg4 Bf7 29. Qf1 Qd8 30. Nc3 Qb6 31. Qc4 Bxh5 32. Qxe6 Qc5 33. Bf5
Bf7 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Meduri, Aakaash"]
[Black "Krienke, Makaio W"]
[Result "1-0"]
[WhiteElo "2068"]
[ECO "A62"]
[Opening "Benoni"]
[Variation "fianchetto variation"]
[WhiteFideId "2032252"]
[BlackFideId "2038854"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 c5 5. d5 e6 6. Nc3 exd5 7. cxd5 d6 8. Bg2
O-O 9. O-O Re8 10. Re1 Na6 11. e4 b5 12. e5 dxe5 13. Nxe5 Bb7 14. Nc6 Qd7 15.
Be3 b4 16. Na4 Ng4 17. Qb3 Qf5 18. h3 Nxe3 19. Rxe3 Bxc6 20. dxc6 Bd4 21. Rf3
Qe6 22. Qd3 Nc7 23. Rc1 Rad8 24. Qc4 Qxc4 25. Rxc4 Ne6 26. Kf1 Bg7 27. Re3 Rd1+
28. Re1 Rxe1+ 29. Kxe1 Kf8 30. Kf1 Bd4 31. Bd5 Nc7 32. Bf3 Re5 33. Bg2 g5 34. a3
a5 35. axb4 axb4 36. Nb6 Rf5 37. Rc2 Ke7 38. Re2+ Re5 39. Rd2 f5 40. Nd7 Kd6 41.
Nxe5 Kxe5 42. b3 Ne6 43. Ke2 f4 44. g4 Kd6 45. Be4 h6 46. Kd3 f3 47. Ra2 Nc7 48.
Bxf3 Ke5 49. Re2+ Kd6 50. Kc4 Ne6 51. Ra2 Be5 52. Be4 Nd4 53. Ra7 Ne2 54. Bd5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Angel, Antonio"]
[Black "Xu, Grant Y"]
[Result "0-1"]
[WhiteElo "1962"]
[BlackElo "2123"]
[ECO "A13"]
[Opening "English opening"]
[Variation "Agincourt variation"]
[WhiteFideId "4410033"]
[BlackFideId "2052318"]
[EventDate "2011.07.30"]

1. Nf3 e6 2. c4 d5 3. cxd5 exd5 4. d4 c6 5. Nc3 Bb4 6. a3 Bxc3+ 7. bxc3 Nf6 8.
Bg5 Qa5 9. Bd2 Ne4 10. e3 Bg4 11. Be2 O-O 12. h3 Bxf3 13. Bxf3 Re8 14. O-O Nd7
15. Be1 Qd8 16. Be2 b5 17. f3 Nd6 18. Bd2 Nf5 19. Qc1 Qe7 20. Bd3 Ng3 21. Re1 f5
22. a4 a6 23. axb5 axb5 24. Qc2 g6 25. Qb2 Nb6 26. Rxa8 Rxa8 27. Ra1 Na4 28. Qb4
Qxb4 29. cxb4 Re8 30. Kf2 Nh5 31. Bc2 Nb2 32. Bc1 Nc4 33. Ra7 Ng7 34. Bd3 Ne6
35. g3 Ng5 36. h4 Nf7 37. Ke2 Kf8 38. Kf2 Re7 39. Ra8+ Kg7 40. Ra6 Nd8 41. Ra8
Rd7 42. h5 Nd6 43. hxg6 hxg6 44. Kg2 Kf6 45. Kf2 Ke7 46. Kg2 Ne6 47. Kf2 Rd8 48.
Rxd8 Kxd8 49. g4 Ke7 50. Kg3 Kf6 51. f4 Ne4+ 52. Bxe4 dxe4 53. g5+ Ke7 54. Kf2
Kd6 55. Ke2 Kd5 56. Bd2 Kc4 57. Kd1 Kd3 58. Kc1 Nc7 59. Kd1 Nd5 60. Ke1 Nxe3 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Serna, Jeffrey M"]
[Black "Davis, Charles R"]
[Result "1-0"]
[ECO "B32"]
[Opening "Sicilian defence"]
[WhiteFideId "2068591"]
[BlackFideId "2030764"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 d6 6. Bc4 e6 7. O-O Nf6 8. e5
Nxe5 9. Nxe5 dxe5 10. Qe2 Bb4 11. Qxe5 Bxc3 12. bxc3 O-O 13. Bg5 b6 14. Rad1 Qe7
15. Rd3 Bb7 16. Rh3 Rfd8 17. Qf4 Rd7 18. Bd3 Rxd3 19. Rxd3 Ba6 20. Rg3 Bxf1 21.
Bxf6 Qb7 22. Rxg7+ Kf8 23. Qd6+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Shvartsman, Andrew Nathaniel"]
[Black "Yanovsky, Vlad"]
[Result "1-0"]
[WhiteTitle "CM"]
[WhiteElo "2209"]
[ECO "B43"]
[Opening "Sicilian"]
[Variation "Kan, 5.Nc3"]
[WhiteFideId "2006111"]
[BlackFideId "2054361"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. O-O Nc6 8. Be3
b5 9. Nxc6 dxc6 10. Ne2 Ng4 11. Bf4 e5 12. Bg3 Bc5 13. h3 Nf6 14. Kh1 g5 15. Qd2
h6 16. a4 b4 17. c3 b3 18. Nd4 g4 19. Nxb3 Ba7 20. Bh4 gxh3 21. g3 Ng4 22. Bc4
Bd7 23. Rae1 h5 24. f3 Nh6 25. Qg5 Kf8 26. Qe7+ Kg7 27. Rd1 Rhd8 28. Qf6+ Kh7
29. Bg5 Ng8 30. Qxf7+ Kh8 31. Qxh5+ Kg7 32. Qf7+ Kh8 33. Bf6+ Nxf6 34. Qxf6+ Kh7
35. Rd6 Be3 36. Qg6+ Kh8 37. Qh5+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Kelley, Dereque D"]
[Black "Xin, Samuel L"]
[Result "1/2-1/2"]
[WhiteElo "2203"]
[BlackElo "2022"]
[ECO "D10"]
[Opening "QGD Slav defence"]
[WhiteFideId "2038439"]
[BlackFideId "2020882"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Bd3 O-O 7. O-O Nbd7 8. b3
Qc7 9. Bb2 dxc4 10. bxc4 e5 11. Qc2 Rd8 12. Rad1 exd4 13. exd4 Nf8 14. h3 Ne6
15. Rfe1 Nf4 16. Bf1 Bf5 17. Qc1 h6 18. Ne5 g5 19. Ne2 Ne6 20. Ng3 Bh7 21. Qe3
a6 22. Nxf7 Qxf7 23. Qxe6 Re8 24. Qxf7+ Kxf7 25. Re3 h5 26. Be2 Bg6 27. d5 h4
28. Nf1 Nxd5 29. cxd5 Bxb2 30. Bc4 b5 31. Bd3 cxd5 32. Bxg6+ Kxg6 33. Rxd5 Rxe3
34. fxe3 b4 35. Nd2 Bc1 36. Kf2 Bxd2 37. Rxd2 a5 38. Rd6+ Kf7 39. Rb6 Rc8 40.
Rb7+ 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Skidmore, Jennifer M"]
[Black "Gurczak, John"]
[Result "0-1"]
[BlackElo "2114"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "Grand Prix attack"]
[WhiteFideId "2032694"]
[BlackFideId "2042096"]
[EventDate "2011.07.30"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Bb5 Nd4 5. Nf3 Bg7 6. O-O Nxb5 7. Nxb5 d5 8. e5
a6 9. Na3 e6 10. c3 b5 11. d4 Qb6 12. Be3 c4 13. Nc2 Ne7 14. Qe1 Bd7 15. Kh1 a5
16. Bg1 b4 17. cxb4 Ba4 18. b3 cxb3 19. bxa5 Qb5 20. axb3 Bxb3 21. Qb4 Qxb4 22.
Nxb4 O-O 23. Rfc1 Rfb8 24. Nc6 Nxc6 25. Rxc6 Bc4 26. Nd2 Bb5 27. Rc7 Bf8 28. Nb3
Bb4 29. Bf2 Bc4 30. Nc5 Bc3 31. Rc1 Bxa5 32. Rb7 Bd2 33. Rxb8+ Rxb8 34. Rd1 Bxf4
35. Nd7 Rb2 36. Bh4 h6 37. Be7 Ba2 38. Nf6+ Kg7 39. Ne8+ Kh8 40. Nd6 Kg8 41. Ne8
Be3 42. Nf6+ Kg7 43. h3 Bb1 44. Ne8+ Kh8 45. Bf6+ Kg8 46. Be7 Bc2 47. Nf6+ Kg7
48. Rf1 Bxd4 49. Ne8+ Kg8 50. Nf6+ Kh8 51. Nd7 Rb1 52. Rxb1 Bxb1 53. Bf8 h5 54.
Bc5 Bxc5 55. Nxc5 Kg7 56. Kg1 Bf5 57. Nd7 g5 58. Kf2 h4 59. Nf6 Kg6 60. Ke3 Be4
61. Nxe4 dxe4 62. Kxe4 f5+ 63. Ke3 Kf7 64. Kd4 Kg6 65. Ke3 Kh5 66. Kf3 g4+ 67.
Kf4 g3 68. Ke3 Kg5 69. Kf3 f4 70. Ke4 f3 71. Kxf3 Kf5 72. Ke3 Kxe5 73. Kf3 Kd4
74. Ke2 Kc3 75. Ke3 Kc2 76. Ke2 e5 77. Ke1 Kd3 78. Kd1 Ke3 79. Ke1 e4 80. Kf1
Kd2 81. Kg1 e3 82. Kh1 e2 83. Kg1 e1=R# 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Mercer, Richard"]
[Black "Bowersock, Michael"]
[Result "0-1"]
[BlackElo "2064"]
[ECO "E32"]
[Opening "Nimzo-Indian"]
[Variation "classical variation"]
[WhiteFideId "2049180"]
[BlackFideId "2045320"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 Bb7 8. f3
h6 9. Bh4 d5 10. e3 Nbd7 11. Bd3 dxc4 12. Bxc4 Rc8 13. Ne2 c5 14. dxc5 Rxc5 15.
b4 Rc8 16. Qb3 Ne5 17. Rc1 Rxc4 18. Rxc4 Bd5 19. e4 Bxc4 20. Qc3 Qd3 21. O-O
Qxc3 22. Nxc3 Bxf1 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Thompson, Reece E"]
[Black "Finegold, Spencer"]
[Result "0-1"]
[BlackElo "2037"]
[ECO "B07"]
[Opening "Pirc defence"]
[WhiteFideId "2057646"]
[BlackFideId "2047527"]
[EventDate "2011.07.30"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. d5 Be7 5. Bd3 O-O 6. f4 exf4 7. Bxf4 Nbd7 8. Nf3
Re8 9. O-O Ne5 10. Kh1 Ng6 11. Bg3 Ng4 12. Qd2 Bf6 13. h3 N4e5 14. Qf2 Nxf3 15.
Qxf3 Re7 16. Bf2 a6 17. Be3 Qf8 18. Rab1 Bd7 19. Ne2 Rae8 20. Nf4 Nxf4 21. Bxf4
Be5 22. c4 Bxf4 23. Qxf4 a5 24. Rf2 Re5 25. Rbf1 f6 26. g4 Qe7 27. a3 a4 28. Qd2
b6 29. Qb4 h5 30. Rf4 hxg4 31. hxg4 Rg5 32. Rg1 Kf7 33. Rg3 Qe5 34. Qd2 Rh8+ 35.
Kg1 Qd4+ 36. Qf2 Qxf2+ 37. Rxf2 Rxg4 38. Rxg4 Bxg4 39. Rg2 Bf3 40. Rg3 Rh1+ 41.
Kf2 Bd1 42. Bf1 Bb3 43. Bh3 g5 44. Kg2 Rc1 45. Bf5 Bxc4 46. Kf2 Rh1 47. Rh3 Rxh3
48. Bxh3 Kg6 49. Bg4 Bb5 50. Ke3 Kh6 51. Kd4 Be8 52. Bd1 Bd7 53. Ke3 g4 54. Kf4
Kh5 55. Be2 Kh4 56. Bf1 g3 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Berry, Frank K"]
[Black "Kannan, Suganth"]
[Result "1-0"]
[WhiteElo "1900"]
[ECO "C77"]
[Opening "Ruy Lopez"]
[Variation "Anderssen variation"]
[WhiteFideId "2021633"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 h6 7. O-O Be7 8. Re1
Bb7 9. Nbd2 O-O 10. Nf1 d6 11. Ng3 Na5 12. Bd2 Nxb3 13. axb3 Re8 14. Qc1 Kh7 15.
Nf5 Bf8 16. h3 Bc8 17. g4 d5 18. g5 Ng8 19. Kh2 h5 20. g6+ Kh8 21. gxf7 Bxf5 22.
fxe8=Q Qxe8 23. exf5 Bd6 24. Nxe5 Bxe5+ 25. f4 Bxf4+ 26. Bxf4 Qd7 27. Re5 Rf8
28. Qe3 c6 29. Rg1 Rf7 30. Rg5 Nf6 31. Re6 a5 32. Rd6 Qc8 33. Be5 Qf8 34. Rxc6
Re7 35. Re6 Rxe6 36. fxe6 Qe8 37. Bxf6 gxf6 38. Rxd5 Qb8+ 39. Qg3 Qe8 40. e7 Kh7
41. Qe3 Qb8+ 42. Kh1 Qe8 43. Qe4+ Kh6 44. Rd8 f5 45. Qe6+ Kg7 46. Rxe8 a4 47.
Rg8+ Kh7 48. Qg6# 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Saito, Kaita Alexander"]
[Black "Ewing, Gabriel R"]
[Result "1/2-1/2"]
[ECO "C06"]
[Opening "French"]
[Variation "Tarrasch, closed variation, main line"]
[BlackFideId "2061880"]
[EventDate "2011.07.30"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4
f6 9. exf6 Nxf6 10. O-O Bd6 11. Nf3 O-O 12. a3 Nh5 13. Qc2 h6 14. Bg6 Nf4 15.
Nxf4 Bxf4 16. Bxf4 Rxf4 17. Rad1 Qf6 18. Rc1 Bd7 19. Ne5 Nxe5 20. dxe5 Qxe5 21.
Qc7 Qxc7 22. Rxc7 Bc6 23. Re1 Rf6 24. Bh5 g6 25. Bf3 Rf7 26. Rxf7 Kxf7 27. Bd1
Rd8 28. Bb3 Kf6 29. f3 e5 30. Kf2 e4 31. fxe4 dxe4 32. Re2 Ke5 33. Bc2 g5 34.
Ke3 Bb5 35. Rf2 Bd3 36. Rd2 Rc8 37. Bxd3 exd3 38. Kxd3 Rd8+ 39. Ke3 Rxd2 40.
Kxd2 Kd4 41. h3 h5 42. Ke2 Kc4 43. Kd2 Kb3 44. Kc1 b5 45. Kb1 a5 46. Kc1 b4 47.
axb4 axb4 48. Kb1 Kc4 49. Kc2 b3+ 50. Kd2 Kd4 51. Ke2 Ke4 52. Kd2 Kf4 53. Ke2 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Lenderman, Aleksandr"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2525"]
[BlackElo "2770"]
[ECO "D80"]
[Opening "Gruenfeld"]
[Variation "Stockholm variation"]
[WhiteFideId "2021285"]
[BlackFideId "2016192"]
[EventDate "2011.07.30"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bf4 Nxc3 6. bxc3 dxc4 7. Qa4+ c6 8.
Qxc4 Bg7 9. e3 Nd7 10. Nf3 O-O 11. Qb4 b6 12. Be2 c5 13. Qa4 a6 14. Qb3 b5 15.
O-O c4 16. Qc2 Nb6 17. Be5 f6 18. Bg3 Bb7 19. Nd2 e5 20. dxe5 fxe5 21. Rad1 Qe7
22. Bf3 Bxf3 23. Nxf3 Na4 24. Rd5 Rad8 25. Rfd1 e4 26. Bh4 Bf6 27. Rxd8 Rxd8 28.
Rxd8+ Qxd8 29. Bxf6 Qxf6 30. Qxe4 Nxc3 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Young, Steven D"]
[Black "Gannoun, Nassim"]
[Result "1-0"]
[WhiteElo "1907"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "3.Nf3"]
[WhiteFideId "2025965"]
[BlackFideId "2019680"]
[EventDate "2011.07.30"]

1. d4 d5 2. c4 c6 3. Nf3 dxc4 4. e3 b5 5. a4 e6 6. axb5 cxb5 7. b3 Qc7 8. bxc4
bxc4 9. Qa4+ Bd7 10. Qxc4 Qxc4 11. Bxc4 Bd6 12. Ba3 Ke7 13. Ne5 Nf6 14. Bxd6+
Kxd6 15. Nxf7+ Ke7 16. Nxh8 Bc6 17. Nd2 Bd5 18. O-O a5 19. Bxd5 Nxd5 20. Nf3 Nc6
21. Ne5 Nxe5 22. dxe5 Nc3 23. Ra3 Nd5 24. Rfa1 Rxh8 25. Rxa5 Kf7 26. Ra8 Rxa8
27. Rxa8 Kg6 28. Rd8 h5 29. Rxd5 exd5 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Fitch, Michael D"]
[Black "Dougherty, Colin T"]
[Result "1-0"]
[ECO "A05"]
[Opening "Reti opening"]
[WhiteFideId "2071789"]
[EventDate "2011.07.30"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O c5 5. c3 e6 6. d4 d5 7. Ne5 Nbd7 8. f4 Be7
9. e3 O-O 10. Nd2 Qc7 11. Ndf3 Ne4 12. Bd2 b5 13. g4 Nb6 14. Be1 Nc4 15. Nxc4
dxc4 16. Bh4 Bd6 17. Qc2 Nf6 18. Bxf6 gxf6 19. f5 Rae8 20. g5 Bxf3 21. Rxf3 Kg7
22. gxf6+ Kxf6 23. Qe4 Ke7 24. dxc5 Bxc5 25. fxe6 fxe6 26. Qxh7+ Kd8 27. Rd1+
Kc8 28. Qe4 Rh8 29. Rh3 Rxh3 30. Qa8+ 1-0

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Banerjee, Abhimanyu"]
[Black "Shah, Alexander"]
[Result "0-1"]
[ECO "C55"]
[Opening "Two knights defence (Modern bishop's opening)"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. c3 O-O 6. Nbd2 d5 7. exd5 Nxd5 8.
O-O Bg4 9. h3 Bh5 10. Ne4 a6 11. Ng3 Bg6 12. d4 e4 13. Nh2 Re8 14. f3 b5 15.
Bxd5 Qxd5 16. fxe4 Bxe4 17. Nxe4 Qxe4 18. Qf3 Qg6 19. Bf4 Rac8 20. Rae1 Na5 21.
Ng4 Bd6 22. Ne5 Bxe5 23. Bxe5 Nc4 24. b3 Nd2 25. Qf4 Nxf1 26. Rxf1 c6 27. Rf3 f6
28. Bd6 Qb1+ 29. Kh2 Qxa2 30. Rg3 Kf7 31. Qg4 g6 32. Qh4 Kg7 33. Qg4 Qxb3 34.
Bf4 Qd5 35. h4 Kf7 36. Be5 fxe5 37. h5 Qe6 38. hxg6+ hxg6 39. Rf3+ Kg7 40. Qg5
Rh8+ 41. Kg1 Rh5 42. Qe3 e4 43. Rf4 Re8 44. d5 Rxd5 45. Kf2 c5 46. Kg1 Qe5 47.
Qf2 Rd1+ 48. Kh2 Rh8+ 49. Kg3 Rd3+ 50. Kg4 Qh5# 0-1

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Vilenchuk, Michael"]
[Black "Gunawan, Cheston"]
[Result "1/2-1/2"]
[WhiteElo "2183"]
[BlackElo "1936"]
[ECO "A05"]
[Opening "Reti"]
[Variation "King's Indian attack"]
[WhiteFideId "2036959"]
[BlackFideId "2015161"]
[EventDate "2011.07.30"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. c4 d6 6. Bg2 Nc6 7. O-O e5 8. d3 Nh5
9. e4 f5 10. h3 f4 11. g4 Nf6 12. Nc3 h6 13. d4 exd4 14. Nb5 Nxe4 15. Nbxd4 Nxd4
16. Bxd4 Ng5 17. Re1 Ne6 18. Bxg7 Kxg7 19. Qd5 Qf6 1/2-1/2

[Event "112th US Open"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "9"]
[White "Baer, Steve L"]
[Black "Davila Blanco, Juan Jose"]
[Result "1-0"]
[ECO "C50"]
[Opening "Giuoco Pianissimo"]
[Variation "Italian four knights variation"]
[WhiteFideId "2051796"]
[EventDate "2011.07.30"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. O-O O-O 7. h3 d6 8. Na4
Bb6 9. Nxb6 axb6 10. a3 Re8 11. Be3 Bd7 12. b4 Na7 13. Re1 b5 14. Bb3 Bc6 15. a4
bxa4 16. Bxa4 Nb5 17. Bxb5 Rxa1 18. Qxa1 Bxb5 19. Bc1 Qe7 20. Nd2 Bd7 21. Bb2 g5
22. f3 h5 23. Bc1 g4 24. Rf1 gxh3 25. gxh3 Bxh3 26. Rf2 Kh8 27. Kh2 Bd7 28. Bb2
Rg8 29. Rg2 Ng4+ 30. fxg4 hxg4 31. Qh1 g3+ 32. Kg1+ Kg7 33. Rxg3+ Kf8 34. Qg2
Rxg3 35. Qxg3 Qd8 36. Qh2 Qg5+ 37. Kf1 Qf6+ 38. Ke2 Bg4+ 39. Ke1 Qg5 40. Qf2 Qg6
41. Qe3 Qh5 42. d4 Qh4+ 43. Kf1 Qh2 44. dxe5 dxe5 45. Nf3 Qh3+ 46. Kf2 Qxf3+ 47.
Qxf3 Bxf3 48. Kxf3 f6 49. Kg4 Kg7 50. Kf5 Kf7 51. Bc3 Ke7 52. Be1 Kd6 53. Kxf6
c5 54. bxc5+ Kxc5 55. Kxe5 b5 56. Kf6 Kd4 57. e5 Ke3 58. e6 Ke2 59. Bb4 Kd1 60.
c3 Kc2 61. e7 Kb3 62. e8=Q Kc2 63. Qe3 Kb3 64. c4+ Kxb4 65. cxb5 Kxb5 66. Qd4
Kc6 67. Ke6 Kb7 68. Qc5 Ka8 69. Qb5 Ka7 70. Kd7 Ka8 71. Kc7 Ka7 72. Qa5# 1-0

[Event "112th US Open Playoff"]
[Site "Orlando USA"]
[Date "2011.08.07"]
[Round "1"]
[White "Lenderman, Aleksandr"]
[Black "Ramirez, Alejandro"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2525"]
[BlackElo "2592"]
[ECO "B14"]
[Opening "Caro-Kann"]
[Variation "Panov-Botvinnik attack, 5...e6"]
[WhiteFideId "2021285"]
[BlackFideId "6500617"]
[EventDate "2011.07.30"]

1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 exd5 8.
Bd3 O-O 9. O-O h6 10. Ne5 Nc6 11. Nxc6 bxc6 12. Na4 Re8 13. Qc2 Bd7 14. Nc5 Qb6
15. Bd2 Bxc5 16. dxc5 Qb7 17. f3 d4 18. Rfe1 Nd5 19. Bc4 Be6 20. b3 Rad8 21. a3
Qe7 22. Bd3 Qh4 23. Re4 Qf6 24. Rae1 Nc3 25. Bxc3 dxc3 26. Re5 Re7 27. Bc4 Bxc4
28. Rxe7 Be6 29. Rxa7 Qd4+ 30. Kf1 Qxc5 31. Rb7 g6 32. Rxe6 Rd2 33. Rxg6+ Kf8
34. Rb8+ Ke7 35. Qe4+ Kd7 36. Qe8+ Kc7 37. Qc8# 1-0

