[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.17"]
[Round "1.1"]
[White "Kaidanov, Gregory"]
[Black "Wolff, Patrick"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2549"]
[BlackElo "2552"]
[ECO "A05"]
[Opening "Reti"]
[Variation "King's Indian attack"]
[WhiteFideId "2008564"]
[BlackFideId "2000148"]
[EventDate "2020.10.17"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. d4 b5 7. O-O Bb7 8. Nbd2
Nbd7 9. c4 bxc4 10. Nxc4 c5 11. Rc1 a5 12. dxc5 Nxc5 13. Nd4 Bxg2 14. Kxg2 Qd7
15. f3 Rfb8 16. Qd2 Nd5 17. e4 Nb4 18. Bc3 Qb7 19. Rcd1 Qa6 20. h4 h5 21. Nf5
gxf5 22. Bxg7 Kxg7 23. Qg5+ Kf8 24. Qh6+ Kg8 25. Qg5+ Kf8 26. Qh6+ Kg8 27. Nxd6
exd6 28. Rxd6 Qxd6 29. Qxd6 Ne6 30. exf5 Rd8 31. Qe5 Nf8 32. Qe3 f6 33. Qh6 Nd5
34. Re1 Re8 35. Rxe8 Rxe8 36. Qxh5 Re2+ 37. Kf1 Re5 38. Kf2 Ne3 39. f4 Re7 40.
Qf3 Nd7 41. g4 Nc5 42. Qxe3 Rxe3 43. Kxe3 Na6 44. Kd4 Nb4 45. a4 Nc2+ 46. Kc5
Kf7 47. h5 Ne3 48. g5 Nxf5 49. Kb5 Nd4+ 50. Kxa5 f5 51. Kb6 Ne6 52. a5 Nxf4 53.
a6 Nd5+ 54. Kb7 f4 55. a7 f3 56. a8=Q f2 57. Qa6 Ke7 58. Qe2+ 1-0

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.17"]
[Round "1.2"]
[White "Gurevich, Dmitry"]
[Black "Goldin, Alexander"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2399"]
[BlackElo "2542"]
[ECO "D37"]
[Opening "QGD"]
[Variation "classical variation (5.Bf4)"]
[WhiteFideId "2000407"]
[BlackFideId "2019540"]
[EventDate "2020.10.17"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 O-O 6. e3 b6 7. cxd5 Nxd5 8. Nxd5
Qxd5 9. a3 c5 10. dxc5 Qxc5 11. Rc1 Qa5+ 12. Qd2 Qxd2+ 13. Nxd2 Na6 14. Bb5 Bb7
15. Ke2 Rac8 16. b4 Nb8 17. f3 a6 18. Bd3 Nd7 19. Nc4 Rfd8 20. Nd6 Bxd6 21. Bxd6
b5 22. Bc7 Re8 23. e4 f6 24. Rc2 Ne5 25. Bxe5 fxe5 26. Rhc1 Rxc2+ 27. Rxc2 Rc8
28. Rxc8+ Bxc8 29. Ke3 g5 30. g3 Kf7 31. Bc2 Bd7 32. Bd3 Kf6 33. Bc2 h6 34. Bd3
Bc6 35. Bc2 Bd7 36. Bd3 Bc6 37. Bc2 Bd7 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.17"]
[Round "1.3"]
[White "Benjamin, Joel"]
[Black "Shabalov, Alexander"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2506"]
[BlackElo "2528"]
[ECO "A04"]
[Opening "Reti opening"]
[WhiteFideId "2000091"]
[BlackFideId "2008572"]
[EventDate "2020.10.17"]

1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. d3 e6 6. e4 Nge7 7. c3 d5 8. Qe2 O-O
9. Re1 b5 10. Be3 d4 11. cxd4 cxd4 12. Bd2 a5 13. Na3 Ba6 14. Rec1 Qb6 15. Qe1
Rfc8 16. Rc2 Rc7 17. Rac1 Rac8 18. Bf4 Rd7 19. Bd2 Rdc7 20. h4 h6 21. Bf4 Rd7
22. Bd2 Rcc7 23. Bf4 Rc8 24. Bd2 Bf8 25. Nh2 Rdd8 26. Ng4 h5 27. Nf6+ Kg7 28. e5
Bb7 29. Kh2 Qa6 30. Qe4 Nf5 31. Qf4 1-0

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.17"]
[Round "1.4"]
[White "Yermolinsky, Alex"]
[Black "Getz, Shelby"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2486"]
[BlackElo "2298"]
[ECO "D07"]
[Opening "QGD"]
[Variation "Chigorin defence"]
[WhiteFideId "2005492"]
[BlackFideId "2002191"]
[EventDate "2020.10.17"]

1. d4 d5 2. c4 Nc6 3. Nc3 e5 4. cxd5 Nxd4 5. g3 Nf6 6. Bg2 Bf5 7. e4 Bg4 8. Qd3
c6 9. h3 Bd7 10. Nf3 Nxf3+ 11. Qxf3 Bc5 12. O-O O-O 13. Bg5 h6 14. Bxf6 Qxf6 15.
Qxf6 gxf6 16. Rac1 Bd4 17. Ne2 Bb6 18. g4 h5 19. Ng3 hxg4 20. hxg4 Bxg4 21. dxc6
bxc6 22. Rxc6 Kg7 23. b4 Rac8 24. b5 Rcd8 25. Rc2 Rd3 26. Nf5+ Bxf5 27. exf5
Rfd8 28. Re1 R8d4 29. Be4 Rd2 30. Re2 Rd1+ 31. Kg2 Rb4 32. Rb2 Rc4 33. Rbc2 Rb4
34. Rb2 Rc4 35. Rbc2 Rb4 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.17"]
[Round "1.5"]
[White "Novikov, Igor"]
[Black "Christiansen, Larry"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2554"]
[BlackElo "2567"]
[ECO "D37"]
[Opening "QGD"]
[Variation "4.Nf3"]
[WhiteFideId "14100037"]
[BlackFideId "2000059"]
[EventDate "2020.10.17"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 a6 5. cxd5 exd5 6. Bg5 Be6 7. e3 Nbd7 8. Bd3
Be7 9. O-O O-O 10. Rc1 Re8 11. Qc2 h6 12. Bh4 c5 13. dxc5 Nxc5 14. Be2 Rc8 15.
Qb1 b5 16. a3 Nfe4 17. Bxe7 Qxe7 18. Nxe4 dxe4 19. Nd4 Nb3 20. Rxc8 Rxc8 21.
Nxb3 Bxb3 22. Rc1 Rc5 23. Rxc5 Qxc5 24. Bd1 Qc4 25. Bxb3 Qxb3 26. Qc1 Kh7 27. h3
Qd3 28. Qc5 Qb1+ 29. Kh2 Qxb2 30. Qf5+ Kg8 31. Qc8+ Kh7 32. Qf5+ Kg8 33. Qc8+
Kh7 34. Qf5+ 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.17"]
[Round "2.1"]
[White "Wolff, Patrick"]
[Black "Christiansen, Larry"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2552"]
[BlackElo "2567"]
[ECO "B06"]
[Opening "Robatsch (modern) defence"]
[WhiteFideId "2000148"]
[BlackFideId "2000059"]
[EventDate "2020.10.17"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Qe2 c6 6. e5 Nd5 7. h3 O-O 8. O-O
dxe5 9. dxe5 Be6 10. Nbd2 Nd7 11. Nb3 N7b6 12. Bd3 Nb4 13. Nc5 Nxd3 14. cxd3 Qc8
15. Bg5 Re8 16. Rfe1 Nd5 17. Nxe6 Qxe6 18. Qd2 Nc7 19. Bh6 Bh8 20. Qf4 Qd5 21.
Ng5 Rac8 22. Re3 f6 23. exf6 Bxf6 24. Rae1 Qf5 25. Qg3 Bxg5 26. Bxg5 Nd5 27. Re6
Rcd8 28. a3 Rd7 29. h4 Rf8 30. R6e5 Qf7 31. h5 Nf4 32. hxg6 Nxg6 33. Bh6 Rfd8
34. R1e3 Qf6 35. Re6 Qf5 36. Rxe7 Rxe7 37. Rxe7 Qh5 38. Bd2 Qd1+ 39. Be1 Rxd3
40. Qb8+ Rd8 41. Re8+ Rxe8 42. Qxe8+ Kg7 43. Qe4 h5 44. Kh2 Qd6+ 45. g3 h4 46.
Bc3+ Kh7 47. Qf5 hxg3+ 48. fxg3 c5 49. Kh3 b5 50. Kg4 Qd1+ 51. Kg5 Qd8+ 52. Kh5
Qe8 53. Kg4 Qe2+ 54. Kh3 Qe8 55. Qxc5 Qe6+ 56. g4 Nf4+ 57. Kh4 Ng6+ 58. Kg3 a6
59. Qf5 Qd6+ 60. Kf2 Qh2+ 61. Ke3 Qg3+ 62. Ke4 Qg2+ 63. Kd4 Qg1+ 64. Kd5 Qg2+
65. Kc5 Qg1+ 66. Kb4 a5+ 67. Kxb5 1-0

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.17"]
[Round "2.2"]
[White "Getz, Shelby"]
[Black "Novikov, Igor"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2298"]
[BlackElo "2554"]
[ECO "A00"]
[Opening "Anderssen's opening"]
[WhiteFideId "2002191"]
[BlackFideId "14100037"]
[EventDate "2020.10.17"]

1. a3 Nf6 2. d4 g6 3. Nc3 d5 4. Bg5 Bg7 5. Qd2 h6 6. Bf4 c5 7. e3 O-O 8. dxc5
Nbd7 9. O-O-O Nxc5 10. Nf3 Nce4 11. Nxe4 Nxe4 12. Qxd5 Qb6 13. Rd4 Bxd4 14. exd4
Nxf2 15. Rg1 Be6 16. Qe5 Ng4 17. Qe1 g5 18. Bd2 Bf5 19. Qxe7 Rac8 20. Bc3 Rfe8
21. Qb4 Qxb4 22. axb4 a6 23. d5 Be4 24. d6 Red8 25. h3 Ne3 26. b5 Rxd6 27. bxa6
Rd1# 0-1

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.17"]
[Round "2.3"]
[White "Shabalov, Alexander"]
[Black "Yermolinsky, Alex"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2528"]
[BlackElo "2486"]
[ECO "C22"]
[Opening "Centre game"]
[Variation "Hall variation"]
[WhiteFideId "2008572"]
[BlackFideId "2005492"]
[EventDate "2020.10.17"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qc4 g6 5. Nc3 Bg7 6. Nf3 Nge7 7. Bg5 h6 8.
Bh4 d6 9. O-O-O O-O 10. Nd5 Be6 11. Qa4 Bxd5 12. exd5 Ne5 13. Nd4 g5 14. Bg3 c5
15. dxc6 bxc6 16. h4 c5 17. Bxe5 Bxe5 18. Nf3 Bg7 19. hxg5 Qb6 20. Qb3 hxg5 21.
Nxg5 d5 22. Qxb6 axb6 23. Kb1 c4 24. c3 b5 25. g3 d4 26. cxd4 Rad8 27. Nf3 Nd5
28. Bg2 Nb4 29. Ne5 1-0

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.17"]
[Round "2.4"]
[White "Goldin, Alexander"]
[Black "Benjamin, Joel"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2542"]
[BlackElo "2506"]
[ECO "A05"]
[Opening "Reti"]
[Variation "King's Indian attack"]
[WhiteFideId "2019540"]
[BlackFideId "2000091"]
[EventDate "2020.10.17"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d5 6. c4 c6 7. O-O Bg4 8. d4
Nbd7 9. Nc3 dxc4 10. bxc4 Nb6 11. Qd3 Be6 12. Nd2 Qd7 13. a4 Rad8 14. a5 Nc8 15.
e3 Bh3 16. Nf3 Bxg2 17. Kxg2 Qe6 18. Rfd1 Nd6 19. Nd2 Qg4 20. f3 Qh5 21. Ne2 Nf5
22. Nf4 Qg5 23. Qe2 h5 24. Ne4 Nxe4 25. fxe4 Nd6 26. e5 Ne4 27. Rf1 Bxe5 28. Nd3
Bg7 29. Rab1 Nd6 30. c5 Nf5 31. Nf4 Rfe8 32. Bc3 e5 33. Nh3 Qxe3 0-1

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.17"]
[Round "2.5"]
[White "Kaidanov, Gregory"]
[Black "Gurevich, Dmitry"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2549"]
[BlackElo "2399"]
[ECO "A14"]
[Opening "English"]
[Variation "Neo-Catalan declined"]
[WhiteFideId "2008564"]
[BlackFideId "2000407"]
[EventDate "2020.10.17"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c5 7. cxd5 exd5 8. d4
Nc6 9. Bb2 Ne4 10. dxc5 Bxc5 11. e3 Bg4 12. h3 Bh5 13. Nc3 Nxc3 14. Bxc3 Rc8 15.
Qd2 Bxf3 16. Bxf3 d4 17. exd4 Bxd4 18. Bg2 Bxc3 19. Qxc3 Nd4 20. Qd3 b6 21. Rad1
Ne6 22. Bd5 Qf6 23. Rfe1 Rc3 24. Qe4 Ng5 25. Qg4 Nf3+ 26. Bxf3 Rxf3 27. Re2 g6
28. Rd7 a5 29. Qe4 Rc8 30. Kg2 Rf5 31. h4 h5 32. Red2 Qc6 33. Qxc6 Rxc6 34. R7d6
Rxd6 35. Rxd6 b5 36. a3 Rc5 37. Rb6 Kg7 38. Ra6 Rc3 39. Rxa5 Rxb3 40. a4 bxa4
41. Rxa4 Rc3 42. Rf4 Rd3 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.17"]
[Round "3.1"]
[White "Gurevich, Dmitry"]
[Black "Wolff, Patrick"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2399"]
[BlackElo "2552"]
[ECO "A15"]
[Opening "English opening"]
[WhiteFideId "2000407"]
[BlackFideId "2000148"]
[EventDate "2020.10.17"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 e5 5. Be2 O-O 6. O-O Nc6 7. Rb1 a5 8. a3 d6
9. d3 Bg4 10. Be3 Nh5 11. Nd5 a4 12. Nc3 Nf4 13. Bxf4 exf4 14. Nxa4 Ra5 15. h3
Bxf3 16. Bxf3 Nd4 17. Nc3 c6 18. Kh2 Qh4 19. Rc1 h5 20. Qe1 g5 21. Ne2 Nxf3+ 22.
gxf3 g4 23. fxg4 hxg4 24. Qxa5 Qxh3+ 25. Kg1 Be5 26. f3 g3 27. Rf2 gxf2+ 28.
Kxf2 Qh4+ 29. Kg2 Kh7 30. Rg1 Rg8+ 31. Kf1 Qh3+ 32. Ke1 Rxg1+ 33. Nxg1 Qh1 34.
Qb6 c5 0-1

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.17"]
[Round "3.2"]
[White "Benjamin, Joel"]
[Black "Kaidanov, Gregory"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2506"]
[BlackElo "2549"]
[ECO "C81"]
[Opening "Ruy Lopez"]
[Variation "open, Howell attack"]
[WhiteFideId "2000091"]
[BlackFideId "2008564"]
[EventDate "2020.10.17"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5
Be6 9. Qe2 Be7 10. Rd1 O-O 11. c4 bxc4 12. Bxc4 Bc5 13. Be3 Bxe3 14. Qxe3 Qb8
15. Bb3 Qb6 16. Qxb6 cxb6 17. Na3 Rfd8 18. Nc2 Na5 19. Nb4 Nxb3 20. axb3 a5 21.
Nc6 Re8 22. Nfd4 Bd7 23. f3 Nc5 24. b4 axb4 25. Nxb4 Rxa1 26. Rxa1 Rxe5 27. Ra8+
Re8 28. Rxe8+ Bxe8 29. Nxd5 Nd7 30. Nf5 f6 31. Nfe7+ Kf8 32. Nc8 b5 33. Nd6 Bf7
34. Nxf7 Kxf7 35. Kf2 Ne5 36. b3 Nd3+ 37. Ke3 Nc5 38. b4 Na6 39. Kd4 Ke6 40. g4
Kd6 41. Ke4 Nb8 42. Nc3 Nc6 43. Nxb5+ Kd7 44. Nd4 Nxb4 45. h4 Ke7 46. Nf5+ Kf7
47. Nd4 Ke7 48. Nf5+ Kf7 49. Nd4 Ke7 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.17"]
[Round "3.3"]
[White "Yermolinsky, Alex"]
[Black "Goldin, Alexander"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2486"]
[BlackElo "2542"]
[ECO "D37"]
[Opening "QGD"]
[Variation "classical variation (5.Bf4)"]
[WhiteFideId "2005492"]
[BlackFideId "2019540"]
[EventDate "2020.10.17"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 O-O 6. e3 b6 7. Qa4 Bb7 8. Rd1 a6
9. cxd5 exd5 10. Ne5 c5 11. dxc5 Bxc5 12. Be2 Qe7 13. O-O Rd8 14. Bf3 Bb4 15.
Qb3 Bxc3 16. bxc3 b5 17. e4 Nbd7 18. Nxd7 Rxd7 19. exd5 Qc5 20. Be3 Qd6 21. Rd4
Qe5 22. d6 Bxf3 23. gxf3 Qf5 24. Bf4 Nh5 25. Bg3 Qxf3 26. Re1 Qc6 27. Re7 Rf8
28. Qd5 Qxd5 29. Rxd5 Nf6 30. Rc5 Rxe7 31. dxe7 Re8 32. Bd6 Ne4 33. Rc6 Nxd6 34.
Rxd6 f6 35. Rxa6 Rxe7 36. a4 bxa4 37. Rxa4 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.17"]
[Round "3.4"]
[White "Novikov, Igor"]
[Black "Shabalov, Alexander"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2554"]
[BlackElo "2528"]
[ECO "E70"]
[Opening "King's Indian"]
[Variation "Kramer system"]
[WhiteFideId "14100037"]
[BlackFideId "2008572"]
[EventDate "2020.10.17"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 a6 6. f3 O-O 7. Be3 Nbd7 8. Qd2
b5 9. cxb5 axb5 10. Nxb5 c6 11. Nbc3 e5 12. Rd1 d5 13. exd5 Nxd5 14. Nxd5 cxd5
15. Nc3 Re8 16. Kf2 exd4 17. Bxd4 Ne5 18. Bb5 Bd7 19. Bxd7 Nc4 20. Qf4 g5 21.
Qc1 Qxd7 22. Bxg7 Kxg7 23. Qxg5+ Kf8 24. Qh6+ Kg8 25. Nxd5 Qa7+ 26. Kg3 1-0

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.17"]
[Round "3.5"]
[White "Christiansen, Larry"]
[Black "Getz, Shelby"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2567"]
[BlackElo "2298"]
[ECO "A29"]
[Opening "English"]
[Variation "four knights, kingside fianchetto"]
[WhiteFideId "2000059"]
[BlackFideId "2002191"]
[EventDate "2020.10.17"]

1. c4 Nc6 2. Nc3 e5 3. Nf3 Nf6 4. g3 Bc5 5. Bg2 d6 6. O-O O-O 7. e3 a6 8. h3 h6
9. d4 Ba7 10. b3 Bf5 11. Bb2 Re8 12. a3 exd4 13. Nxd4 Nxd4 14. exd4 c6 15. d5
Qd7 16. Kh2 Ne4 17. dxc6 bxc6 18. Nxe4 Bxe4 19. Qd2 Bxg2 20. Kxg2 Re6 21. Bd4
Rae8 22. Bxa7 Qxa7 23. Qd3 a5 24. b4 axb4 25. axb4 Qb6 26. Rab1 g6 27. h4 h5 28.
Qf3 Re4 29. Rfc1 Qc7 30. b5 Qb6 31. Rc2 Qc5 32. bxc6 Qxc6 33. Rb5 Qc7 34. Rb4
Qc5 35. Rb7 R4e7 36. Rb5 Qc7 37. Rd5 Re5 38. Rc1 Rxd5 39. Qxd5 Re5 40. Qa8+ Kg7
41. Qa1 Kh7 42. Qd4 Qc6+ 43. Kg1 Rc5 44. Qf6 Rf5 45. Qd4 Rc5 46. Qf6 Rf5 47. Qd4
Rc5 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.18"]
[Round "4.1"]
[White "Wolff, Patrick"]
[Black "Getz, Shelby"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2552"]
[BlackElo "2298"]
[ECO "B01"]
[Opening "Scandinavian"]
[Variation "Pytel-Wade variation"]
[WhiteFideId "2000148"]
[BlackFideId "2002191"]
[EventDate "2020.10.17"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. g3 Bg4 7. Bg2 Nc6 8. Bf4
Qb4 9. O-O O-O-O 10. d5 e6 11. dxc6 Rxd1 12. cxb7+ Qxb7 0-1

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.18"]
[Round "4.2"]
[White "Shabalov, Alexander"]
[Black "Christiansen, Larry"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2528"]
[BlackElo "2567"]
[ECO "C41"]
[Opening "Philidor"]
[Variation "exchange variation"]
[WhiteFideId "2008572"]
[BlackFideId "2000059"]
[EventDate "2020.10.17"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8.
Bf4 Be7 9. O-O-O O-O 10. Rhe1 Re8 11. h3 Nd7 12. Qc4 Bf6 13. Nd4 Bxd4 14. Qxd4
a5 15. f3 b5 16. Nd5 Ne5 17. Kb1 Bxd5 18. Qxd5 Rb8 19. Bc1 Nd7 20. b3 Re5 21.
Qd2 b4 22. Bb2 Re6 23. Qd4 Rg6 24. e5 Nc5 25. f4 h5 26. f5 Rg3 27. f6 Ne6 28.
Qf2 Rg6 29. exd6 cxd6 30. fxg7 Rc8 31. Rf1 Qc7 32. Rxd6 Rxg2 33. Qxg2 Qxd6 34.
Qf3 Qc7 35. Qxh5 Qxc2+ 36. Ka1 1-0

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.18"]
[Round "4.3"]
[White "Goldin, Alexander"]
[Black "Novikov, Igor"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2542"]
[BlackElo "2554"]
[ECO "D02"]
[Opening "Queen's pawn game"]
[WhiteFideId "2019540"]
[BlackFideId "14100037"]
[EventDate "2020.10.17"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. e3 c5 5. cxd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8.
dxc5 Nxc5 9. O-O Be7 10. Nc3 O-O 11. b3 Rc8 12. Bb2 Qd7 13. Ne2 Rfd8 14. Rc1 a6
15. h3 Nfe4 16. Nf4 Bf6 17. Bxf6 Nxf6 18. Qd4 Ne6 19. Nxe6 Qxe6 20. Ne5 Rxc1 21.
Rxc1 Rc8 22. Rxc8+ Qxc8 23. Ng4 Nxg4 24. hxg4 Qc6 25. g3 h6 26. Kg2 f6 27. a4 a5
28. Kg1 Qc1+ 29. Kg2 Qc6 30. Kg1 Qc1+ 31. Kg2 Qc6 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.18"]
[Round "4.4"]
[White "Kaidanov, Gregory"]
[Black "Yermolinsky, Alex"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2549"]
[BlackElo "2486"]
[ECO "A04"]
[Opening "Reti opening"]
[WhiteFideId "2008564"]
[BlackFideId "2005492"]
[EventDate "2020.10.17"]

1. Nf3 c5 2. e3 Nf6 3. d4 e6 4. Bd3 d5 5. O-O Nc6 6. b3 Bd6 7. Bb2 O-O 8. Nbd2
Qe7 9. dxc5 Bxc5 10. e4 Rd8 11. e5 Nd7 12. a3 a5 13. Qe2 Nf8 14. c4 b6 15. Rfe1
Ba6 16. g3 dxc4 17. Nxc4 Bxc4 18. Bxc4 Nd4 19. Nxd4 Bxd4 20. Rad1 Bxb2 21. Qxb2
Rxd1 22. Rxd1 Rd8 23. Rxd8 Qxd8 24. b4 Ng6 25. bxa5 bxa5 26. Be2 Qc7 27. f4 Ne7
28. Bd3 g6 29. Be4 Qc5+ 30. Kg2 Qe3 31. Bf3 Kg7 32. a4 h5 33. Qf2 Qc3 34. Be4
Qb4 35. Qc2 Qd4 36. Kh3 Qe3 37. Kg2 h4 38. Kh3 hxg3 39. hxg3 g5 40. fxg5 Qxg5
41. Qb2 Qe3 42. Qb7 Ng8 43. Bg2 Qxe5 44. Qb5 Kf6 45. Qf1+ Ke7 46. Bf3 Nh6 47.
Kg2 Nf5 48. Qf2 Ne3+ 49. Kg1 f5 50. Kh2 Kf6 51. Qa2 Kg5 52. Qb3 Ng4+ 53. Bxg4
Kxg4 54. Qd3 Qb2+ 55. Kg1 e5 56. Qe3 Qd4 0-1

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.18"]
[Round "4.5"]
[White "Gurevich, Dmitry"]
[Black "Benjamin, Joel"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2399"]
[BlackElo "2506"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack, Yugoslav variation"]
[WhiteFideId "2000407"]
[BlackFideId "2000091"]
[EventDate "2020.10.17"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bg4 5. c4 e6 6. d3 Nbd7 7. Be3 Bxf3 8. exf3
dxc4 9. dxc4 Bc5 10. Qe2 O-O 11. Nc3 Qe7 12. f4 Bxe3 13. Qxe3 Qc5 14. Qxc5 Nxc5
15. b4 Nd3 16. Rab1 Rad8 17. Rfd1 Rd4 18. Rd2 Rfd8 19. Rbd1 R4d7 20. b5 cxb5 21.
cxb5 Nc5 22. Rxd7 Rxd7 23. Rxd7 Nfxd7 24. Kf1 Kf8 25. Ke2 Ke7 26. Ke3 Kd6 27.
Kd4 Nf6 28. h3 Ne8 29. Bf3 Nc7 30. h4 h6 31. h5 f6 32. Bg2 b6 33. Bc6 a6 34. a4
Nxa4 35. Ne4+ Ke7 36. bxa6 b5 37. a7 Nb6 38. Kc5 Na4+ 39. Kb4 Nb6 40. Nc3 Kd6
41. Bb7 Kd7 42. Nxb5 Nca8 43. Bxa8 Nxa8 44. Kc5 1-0

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.18"]
[Round "5.1"]
[White "Benjamin, Joel"]
[Black "Wolff, Patrick"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2506"]
[BlackElo "2552"]
[ECO "B52"]
[Opening "Sicilian"]
[Variation "Canal-Sokolsky attack, 3...Bd7"]
[WhiteFideId "2000091"]
[BlackFideId "2000148"]
[EventDate "2020.10.17"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. O-O Ngf6 6. d3 g6 7. Re1 Bg7 8.
c3 O-O 9. d4 cxd4 10. cxd4 e5 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Nc3 Qb6 14. Qe2
Rfc8 15. Bg5 Bf8 16. Bxf6 Qxf6 17. Nd5 Qe6 18. Rac1 Rxc1 19. Rxc1 Rc8 20. Rc4
Kg7 21. Qc2 Rxc4 22. Qxc4 Qc6 23. Qxc6 bxc6 24. Ne3 Kf6 25. Nc4 Ke6 26. Kf1 Bc5
27. Ke2 Bd4 28. f3 h5 29. b3 h4 30. h3 Bc5 31. Kd3 Bb4 32. a3 Bc5 33. b4 Be7 34.
Na5 Kd6 35. Kc4 Bg5 36. Kb3 Kd7 37. Ka4 Be3 38. Nc4 Bd4 39. Ka5 Kc7 40. Ka6 f6
41. a4 Bf2 42. b5 Bd4 43. Na5 cxb5 44. axb5 Kb8 45. Nc6+ Ka8 46. Nxa7 Bxa7 47.
b6 f5 48. bxa7 1-0

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.18"]
[Round "5.2"]
[White "Yermolinsky, Alex"]
[Black "Gurevich, Dmitry"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2486"]
[BlackElo "2399"]
[ECO "D37"]
[Opening "QGD"]
[Variation "classical variation (5.Bf4)"]
[WhiteFideId "2005492"]
[BlackFideId "2000407"]
[EventDate "2020.10.17"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 b6 7. Qa4 a6 8. cxd5
exd5 9. Rd1 Bb7 10. Ne5 Nh5 11. Bg3 h6 12. Be2 Nxg3 13. hxg3 Bd6 14. Bf3 c6 15.
Nd3 Nd7 16. O-O Nf6 17. b4 Qe7 18. Qb3 Ne4 19. a4 Rae8 20. Ne2 b5 21. Nc5 Bc8
22. axb5 axb5 23. Bxe4 dxe4 24. Nc3 Bxc5 25. bxc5 Be6 26. d5 cxd5 27. Qxb5 Rc8
28. Nxd5 Qxc5 29. Qxc5 Rxc5 30. Nf4 Bg4 31. Rd4 Re5 32. Rc1 g5 33. Nd5 Kg7 34.
Rc6 Be6 35. Nc3 Bf5 36. Rd5 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.18"]
[Round "5.3"]
[White "Novikov, Igor"]
[Black "Kaidanov, Gregory"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2554"]
[BlackElo "2549"]
[ECO "D43"]
[Opening "QGD semi-Slav"]
[WhiteFideId "14100037"]
[BlackFideId "2008564"]
[EventDate "2020.10.17"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. cxd5 exd5 6. Qc2 Be7 7. Bg5 g6 8. e3
Bf5 9. Bd3 Bxd3 10. Qxd3 O-O 11. Bxf6 Bxf6 12. b4 a6 13. O-O Nd7 14. a4 Be7 15.
b5 a5 16. Rfc1 Bd6 17. Rc2 Nb6 18. bxc6 bxc6 19. Rac1 Ba3 20. Ra1 Bd6 21. Rac1
Ba3 22. Ra1 Bd6 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.18"]
[Round "5.4"]
[White "Christiansen, Larry"]
[Black "Goldin, Alexander"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2567"]
[BlackElo "2542"]
[ECO "D01"]
[Opening "Richter-Veresov attack"]
[WhiteFideId "2000059"]
[BlackFideId "2019540"]
[EventDate "2020.10.17"]

1. d4 d5 2. Nc3 Nf6 3. Bg5 Nbd7 4. e3 g6 5. Nf3 Bg7 6. Be2 O-O 7. O-O c6 8. h3
a5 9. Bd3 b5 10. Qe2 Bb7 11. Rad1 Re8 12. e4 b4 13. Na4 dxe4 14. Bxe4 Nxe4 15.
Qxe4 Qc8 16. Qe3 Ba6 17. Rfe1 Bb5 18. Qb3 Qa6 19. Bf4 Bc4 20. Qe3 Bb5 21. Nc5
Nxc5 22. dxc5 Bc4 23. Ne5 Bd5 24. Bh6 Bh8 25. Rd4 f6 26. Nd7 Rad8 27. Nb6 e5 28.
Rd2 Qb7 29. Red1 Qf7 30. c4 bxc3 31. bxc3 Rb8 32. Nxd5 cxd5 33. Rxd5 Rbc8 34. a4
Rc7 35. c6 Rxc6 36. Rd7 Qe6 37. Qa7 1-0

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.18"]
[Round "5.5"]
[White "Getz, Shelby"]
[Black "Shabalov, Alexander"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2298"]
[BlackElo "2528"]
[ECO "A00"]
[Opening "Anderssen's opening"]
[WhiteFideId "2002191"]
[BlackFideId "2008572"]
[EventDate "2020.10.17"]

1. a3 f5 2. d4 Nf6 3. Nc3 d6 4. Bg5 Nbd7 5. f3 c5 6. e3 Qa5 7. Qd2 g6 8. Bc4 Bg7
9. Nge2 Nf8 10. O-O Ne6 11. Bh4 Bd7 12. Rad1 Rc8 13. Ba2 c4 14. Bxf6 exf6 15. d5
Ng5 16. Nd4 O-O 17. f4 Nf7 18. Ne6 Rfe8 19. Nxg7 Kxg7 20. Rfe1 b5 21. Qd4 Qc7
22. e4 Qc5 23. Qxc5 dxc5 24. exf5 Nd6 25. fxg6 hxg6 26. Bb1 a5 27. h3 b4 28.
axb4 axb4 29. Ne2 Ra8 30. Ng3 Nb5 31. Kf2 c3 32. Ne4 cxb2 33. Nxc5 Nc3 34. Nxd7
Kf7 35. Nc5 Ra1 36. Nd3 Rxe1 37. Rxe1 Rxb1 38. Rxb1 Nxb1 39. Nxb2 Nc3 40. d6 Ke6
41. Nc4 Nb5 42. f5+ gxf5 43. g3 Nd4 44. Ne3 Kxd6 45. Ke1 Ke5 46. Kd2 Ke4 47. h4
b3 48. cxb3 Nxb3+ 49. Ke2 f4 50. gxf4 Nc1+ 51. Kd2 Nb3+ 52. Ke2 Nc1+ 53. Kd2
Nb3+ 54. Ke2 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.18"]
[Round "6.1"]
[White "Kaidanov, Gregory"]
[Black "Christiansen, Larry"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2549"]
[BlackElo "2567"]
[ECO "A30"]
[Opening "English"]
[Variation "symmetrical, hedgehog system"]
[WhiteFideId "2008564"]
[BlackFideId "2000059"]
[EventDate "2020.10.17"]

1. Nf3 e6 2. g3 b6 3. Bg2 Bb7 4. O-O Nf6 5. c4 c5 6. Nc3 Be7 7. b3 O-O 8. Bb2 d6
9. d4 cxd4 10. Nxd4 Bxg2 11. Kxg2 Qc7 12. e4 a6 13. f4 Nc6 14. Nxc6 Qxc6 15. Qf3
Rac8 16. Rac1 Rfd8 17. Rfe1 Bf8 18. Nd1 Nd7 19. Nf2 Qb7 20. Ng4 e5 21. fxe5 Nxe5
22. Bxe5 dxe5 23. Rcd1 b5 24. Nxe5 f6 25. Rxd8 Rxd8 26. Nd3 bxc4 27. bxc4 Rd4
28. Nf4 Rxc4 29. Re2 Rd4 30. Nd5 Qb5 31. h4 Qd3 32. Re3 Qc2+ 33. Re2 Qd3 34. Re3
Qc2+ 35. Kh3 Rd2 36. Qf5 Rh2+ 37. Kg4 Qd1+ 38. Rf3 Rf2 39. h5 Rxf3 40. Qxf3 Qb1
41. h6 Qxa2 42. Qf5 Qe2+ 43. Kh3 g6 44. Nxf6+ Kf7 45. Qf4 Ke6 46. Ng4 Be7 47.
Qe5+ Kd7 48. Qd5+ Kc7 49. Qf7 Qxe4 50. Qxh7 Qh1+ 51. Nh2 Qe4 52. Qf7 Qf5+ 53.
Qxf5 gxf5 54. Nf3 a5 55. Nd4 Bf6 56. Nxf5 a4 57. Ne3 a3 58. Nc2 a2 59. Kg4 Kd6
60. Kf5 Bh8 61. g4 Kc5 62. g5 Kc4 63. g6 Kb3 64. g7 Bxg7 65. hxg7 Kxc2 66. g8=Q
a1=Q 67. Qc8+ Qc3 68. Qxc3+ Kxc3 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.18"]
[Round "6.2"]
[White "Gurevich, Dmitry"]
[Black "Novikov, Igor"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2399"]
[BlackElo "2554"]
[ECO "D45"]
[Opening "QGD semi-Slav"]
[Variation "5...Nd7"]
[WhiteFideId "2000407"]
[BlackFideId "14100037"]
[EventDate "2020.10.17"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd2 Bd6 7. Bd3 O-O 8. O-O
dxc4 9. Bxc4 a6 10. a4 c5 11. h3 b6 12. Qe2 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.18"]
[Round "6.3"]
[White "Benjamin, Joel"]
[Black "Yermolinsky, Alex"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2506"]
[BlackElo "2486"]
[ECO "B52"]
[Opening "Sicilian"]
[Variation "Canal-Sokolsky attack, Sokolsky variation"]
[WhiteFideId "2000091"]
[BlackFideId "2005492"]
[EventDate "2020.10.17"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 g6 7. d4 cxd4 8.
Nxd4 Bg7 9. f3 O-O 10. Nde2 Rc8 11. b3 b5 12. Nxb5 Nxe4 13. Rb1 a6 14. Nbd4 Nf6
15. Nc2 d5 16. Ne3 Nc6 17. cxd5 Nb4 18. Bb2 Nbxd5 19. Bxf6 Nxf6 20. Qxd7 Nxd7
21. Nc4 Rab8 22. Kf2 Ne5 23. Nxe5 Bxe5 24. Rhc1 f5 25. h3 Kf7 26. Rxc8 Rxc8 27.
Rc1 Rxc1 28. Nxc1 Ke6 29. Nd3 Bd6 30. Nb2 Kd5 31. Ke3 e5 32. Na4 Bb4 33. Nb6+
Kc6 34. Nc4 Bc5+ 35. Kd3 Kd5 36. Ne3+ Ke6 37. Nc4 h5 38. a3 Ba7 39. Ne3 h4 40.
Nc2 Bc5 41. Kc4 Kd6 42. b4 Ba7 43. a4 e4 44. fxe4 fxe4 45. Nd4 e3 46. Nf3 e2 47.
Kd3 Kd5 48. b5 a5 49. Kxe2 Kc4 50. Ne5+ Kb3 51. Nd7 Kxa4 52. b6 Bxb6 53. Nxb6+
Kb5 54. Nd5 Kc4 55. Nb6+ Kb5 56. Nd5 Kc4 57. Nf4 Kc3 58. Kd1 Kb2 59. Nxg6 a4 60.
Ne5 Kb3 61. Kc1 a3 62. Kb1 1-0

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.18"]
[Round "6.4"]
[White "Wolff, Patrick"]
[Black "Shabalov, Alexander"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2552"]
[BlackElo "2528"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[WhiteFideId "2000148"]
[BlackFideId "2008572"]
[EventDate "2020.10.17"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Bc4 Nb6 5. Bb3 c4 6. Bc2 Nc6 7. Nf3 d5 8. exd6
Qxd6 9. Na3 Qe6+ 10. Qe2 Qxe2+ 11. Kxe2 Be6 12. b3 O-O-O 13. Ng5 Bd5 14. bxc4
Nxc4 15. Nxc4 Bxc4+ 16. d3 Bd5 17. Bb3 f6 18. Nf7 Bxf7 19. Bxf7 e5 20. Be3 Kc7
21. h4 Ba3 22. Rab1 Rhf8 23. Bb3 Rfe8 24. g4 b6 25. Ba4 Re6 26. Kd2 Red6 27. Bb5
Na5 28. f4 Nb7 29. fxe5 fxe5 30. Rhf1 Nc5 31. Rf7+ Kb8 32. Bxc5 Bxc5 33. Rxg7
Rf6 34. Re1 Rf2+ 35. Re2 h6 36. Bc6 a5 37. a4 Rdf8 38. Rb7+ Kc8 39. Rh7 Rxe2+
40. Kxe2 Rf2+ 41. Kd1 Be3 42. Be4 Ra2 43. Re7 Bf4 44. Rg7 Rxa4 45. g5 hxg5 46.
hxg5 Ra1+ 47. Kc2 a4 48. g6 Rc1+ 49. Kb2 a3+ 50. Kxa3 Rxc3+ 51. Kb2 1-0

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.18"]
[Round "6.5"]
[White "Goldin, Alexander"]
[Black "Getz, Shelby"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2542"]
[BlackElo "2298"]
[ECO "A29"]
[Opening "English"]
[Variation "four knights, kingside fianchetto"]
[WhiteFideId "2019540"]
[BlackFideId "2002191"]
[EventDate "2020.10.17"]

1. c4 Nc6 2. Nc3 e5 3. Nf3 Nf6 4. g3 Bc5 5. Bg2 d6 6. O-O a6 7. a3 O-O 8. b4 Ba7
9. Bb2 Re8 10. d3 h6 11. Rc1 Bg4 12. h3 Be6 13. e3 Qd7 14. Kh2 Rad8 15. Qc2 Bf5
16. Nd2 Ne7 17. Nde4 Nh7 18. Nd5 Be6 19. Nxe7+ Qxe7 20. Rce1 f5 21. Nd2 c6 22.
f4 Bb8 23. Nf3 exf4 24. exf4 Qf7 25. Qf2 b5 26. Nd4 Ba7 27. c5 dxc5 28. Nxc6
Rxd3 29. Ne5 c4 30. Qe2 Qf6 31. Nxd3 cxd3 32. Qd2 Qd8 33. Rf3 Bc4 34. Rxe8+ Qxe8
35. Bf1 Qe4 36. Rxd3 Bxd3 37. Bxd3 Qe6 38. Be5 Nf6 39. Qg2 Nd5 40. Bxf5 Qxf5 41.
Qxd5+ Kh7 42. h4 Bf2 43. Qf3 Be1 44. Qe2 Qb1 45. h5 a5 46. Qg4 Qa2+ 47. Kh3 Qf7
48. Qe2 Qd7+ 49. g4 Bd2 50. Qe4+ Kg8 51. bxa5 Bxa5 52. Bd4 Bc7 53. Kg3 Bd8 54.
Kf3 Be7 55. Qe5 Bxa3 56. g5 Qc6+ 57. Kg3 Bf8 58. g6 Qd7 59. Kg2 b4 60. f5 Qb7+
61. Kg3 Qe7 62. Qd5+ Kh8 63. Qf7 Qg5+ 64. Kf2 Qf4+ 65. Ke2 Qe4+ 66. Be3 Qc2+ 67.
Kf3 Qc6+ 68. Kf2 Qd6 69. Bxh6 Qh2+ 70. Ke3 Bc5+ 71. Kd3 Qg3+ 72. Kc4 Qc3+ 73.
Kb5 1-0

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.19"]
[Round "7.1"]
[White "Yermolinsky, Alex"]
[Black "Wolff, Patrick"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2486"]
[BlackElo "2552"]
[ECO "A15"]
[Opening "English opening"]
[WhiteFideId "2005492"]
[BlackFideId "2000148"]
[EventDate "2020.10.17"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 e5 5. Nxe5 O-O 6. Nf3 Re8 7. Bd3 b5 8. O-O
bxc4 9. Bxc4 Nxe4 10. Re1 Nd6 11. Rxe8+ Qxe8 12. Bd5 Nc6 13. d4 Rb8 14. Bf4 Rxb2
15. Bb3 Bb7 16. Qc1 Rxb3 17. axb3 Nxd4 18. Nxd4 Bxd4 19. Be3 Be5 20. Rxa7 Qe6
21. h3 Qxb3 22. Ne2 Qd5 23. f3 Nf5 24. Bf2 Bc6 25. Qe1 h5 26. Ra5 Qd6 27. Bc5
Qf6 28. Qd2 Ng3 29. Nxg3 Bxg3 30. Bd4 Qe6 31. Rxh5 gxh5 32. Qg5+ Kf8 33. Qd8+
Qe8 34. Bg7+ Kxg7 35. Qxe8 h4 36. Qe3 Kg6 37. f4 f6 38. Qd3+ Kf7 39. Qf5 Ke7 40.
Kf1 Kf7 41. Kg1 Ke7 42. Qg4 Kd6 43. Qg7 Ke6 44. Qg6 Ke7 45. f5 Bd5 46. Qg7+ Bf7 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.19"]
[Round "7.2"]
[White "Novikov, Igor"]
[Black "Benjamin, Joel"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2554"]
[BlackElo "2506"]
[ECO "D37"]
[Opening "QGD"]
[Variation "4.Nf3"]
[WhiteFideId "14100037"]
[BlackFideId "2000091"]
[EventDate "2020.10.17"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 a6 5. cxd5 exd5 6. Bg5 Be6 7. e3 Nbd7 8. Bd3
Bd6 9. Bf4 Bxf4 10. exf4 Bg4 11. Qe2+ Kf8 12. h3 Bxf3 13. Qxf3 Qe7+ 14. Be2 Nb6
15. a3 Ne4 16. Rc1 c6 17. Nxe4 Qxe4 18. Qxe4 dxe4 19. Kd2 Rd8 20. Ke3 f5 21. Bc4
Ke7 22. b4 Nd5+ 23. Bxd5 Rxd5 24. Rc5 Rhd8 25. Rxd5 Rxd5 26. Rc1 a5 27. Rc4 Kd6
28. g4 g6 29. g5 b6 30. Rc2 Rb5 31. Rb2 axb4 32. axb4 Kd5 33. h4 Kc4 34. Rc2+
Kd5 35. Rb2 Kc4 36. Rc2+ Kd5 37. Rb2 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.19"]
[Round "7.3"]
[White "Christiansen, Larry"]
[Black "Gurevich, Dmitry"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2567"]
[BlackElo "2399"]
[ECO "D01"]
[Opening "Richter-Veresov attack"]
[WhiteFideId "2000059"]
[BlackFideId "2000407"]
[EventDate "2020.10.17"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. e3 h6 5. Bf4 a6 6. h3 e6 7. Nf3 b5 8. Bd3 Bb7
9. Ne5 c5 10. a3 Be7 11. O-O O-O 12. Re1 Rc8 13. Qf3 c4 14. Be2 Nxe5 15. Bxe5
Ne4 16. Nxe4 dxe4 17. Qg4 Bg5 18. h4 f5 19. Qg3 Bf6 20. c3 a5 21. h5 Bd5 22. Qg6
Bxe5 23. dxe5 Qg5 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.19"]
[Round "7.4"]
[White "Getz, Shelby"]
[Black "Kaidanov, Gregory"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2298"]
[BlackElo "2549"]
[ECO "A00"]
[Opening "Anderssen's opening"]
[WhiteFideId "2002191"]
[BlackFideId "2008564"]
[EventDate "2020.10.17"]

1. a3 Nf6 2. d4 d5 3. Nc3 e6 4. Bg5 c5 5. e4 cxd4 6. Qxd4 Nc6 7. Bb5 Be7 8. exd5
exd5 9. Bxf6 Bxf6 10. Qc5 Qb6 11. Qxb6 Bxc3+ 12. bxc3 axb6 13. Ne2 O-O 14. a4
Bd7 15. O-O-O Be6 16. Nf4 Rfd8 17. Rhe1 Rd6 18. Re3 Rad8 19. Rde1 Bd7 20. Rd3
Be6 21. Rde3 Bd7 22. Rd3 Be6 23. Rde3 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.19"]
[Round "7.5"]
[White "Shabalov, Alexander"]
[Black "Goldin, Alexander"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2528"]
[BlackElo "2542"]
[ECO "A13"]
[Opening "English opening"]
[Variation "Agincourt variation"]
[WhiteFideId "2008572"]
[BlackFideId "2019540"]
[EventDate "2020.10.17"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. Nc3 b6 5. b3 Bb7 6. Bb2 Bd6 7. cxd5 exd5 8. Nb5
Be7 9. Be5 Na6 10. Nbd4 O-O 11. Rc1 c5 12. Nf5 Nb4 13. a3 Nc6 14. Bb2 d4 15. Bb5
Rc8 16. O-O Nd5 17. exd4 Bf6 18. Bxc6 Bxc6 19. Ne5 Bxe5 20. dxe5 Qg5 21. Qf3 Nb4
22. h4 Qxd2 23. Qg3 1-0

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.19"]
[Round "8.1"]
[White "Wolff, Patrick"]
[Black "Goldin, Alexander"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2552"]
[BlackElo "2542"]
[ECO "C70"]
[Opening "Ruy Lopez"]
[Variation "Cozio defence deferred"]
[WhiteFideId "2000148"]
[BlackFideId "2019540"]
[EventDate "2020.10.17"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. O-O Ng6 6. c3 d5 7. d4 dxe4 8. Nxe5
Nxe5 9. dxe5 Qxd1 10. Rxd1 Bd7 11. Bf4 Nxe5 12. Bxd7+ Nxd7 13. Nd2 O-O-O 14.
Nxe4 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.19"]
[Round "8.2"]
[White "Kaidanov, Gregory"]
[Black "Shabalov, Alexander"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2549"]
[BlackElo "2528"]
[ECO "A05"]
[Opening "Reti"]
[Variation "King's Indian attack, Spassky's variation"]
[WhiteFideId "2008564"]
[BlackFideId "2008572"]
[EventDate "2020.10.17"]

1. Nf3 Nf6 2. g3 b5 3. Na3 Ba6 4. c3 e6 5. Bg2 d5 6. d4 b4 7. cxb4 Bxb4+ 8. Bd2
Bd6 9. Rc1 O-O 10. O-O Nbd7 11. Ba5 Qb8 12. Rc2 c5 13. dxc5 Nxc5 14. Nd4 Rc8 15.
b4 Nce4 16. Rxc8+ Qxc8 17. Nab5 Be5 18. f4 Bxd4+ 19. Nxd4 Qc4 20. Qd3 Qxd3 21.
exd3 Bxd3 22. Rc1 Nd6 23. a4 Nc4 24. Nc6 a6 25. Bc7 Ne8 26. Be5 f6 27. Bd4 Ned6
28. g4 Kf7 29. f5 Be4 30. fxe6+ Kxe6 31. Bf1 Nd2 32. Be2 Nb3 33. Rc3 Nxd4 34.
Nxd4+ Ke5 35. Nc6+ Kf4 36. Nd4 Rb8 37. b5 axb5 38. axb5 Ra8 39. b6 Ra1+ 40. Kf2
Bh1 41. Bd3 Be4 42. Be2 Bg6 43. Bf3 Ra2+ 44. Ne2+ Ke5 45. Rb3 Nb7 46. Ke3 Ra4
47. h4 Be4 48. Bxe4 Rxe4+ 49. Kf3 Rc4 50. Re3+ Kd6 51. Re8 Rb4 52. Rg8 g6 53.
Rf8 Ke6 54. Nf4+ Kd6 55. Rxf6+ Kc5 56. Nd3+ 1-0

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.19"]
[Round "8.3"]
[White "Gurevich, Dmitry"]
[Black "Getz, Shelby"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2399"]
[BlackElo "2298"]
[ECO "D07"]
[Opening "QGD"]
[Variation "Chigorin defence"]
[WhiteFideId "2000407"]
[BlackFideId "2002191"]
[EventDate "2020.10.17"]

1. d4 d5 2. c4 Nc6 3. Nc3 e5 4. cxd5 Nxd4 5. e3 Nf5 6. e4 Nd4 7. Be3 Bc5 8. Nge2
Bg4 9. Qd2 Bxe2 10. Bxe2 Ne7 11. Bb5+ c6 12. dxc6 bxc6 13. Bc4 Rb8 14. O-O O-O
15. Rad1 Ng6 16. Na4 Bb4 17. Qd3 Qa5 18. b3 Rbd8 19. Qb1 Nb5 20. Qc1 Ba3 21. Qc2
Bb4 22. g3 Nd4 23. Bxd4 exd4 24. f4 Be7 25. e5 Bb4 26. Qe4 Ne7 27. Kg2 Bc3 28.
Rf3 Nd5 29. Bxd5 Rxd5 30. Rdd3 Rfd8 31. h4 h5 32. e6 Re8 33. f5 fxe6 34. f6 Rf5
35. fxg7 Rxf3 36. Rxf3 Qd5 37. Qf4 Qf5 38. Qh6 Qf4 39. Rxf4 1-0

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.19"]
[Round "8.4"]
[White "Benjamin, Joel"]
[Black "Christiansen, Larry"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2506"]
[BlackElo "2567"]
[ECO "B30"]
[Opening "Sicilian defence"]
[WhiteFideId "2000091"]
[BlackFideId "2000059"]
[EventDate "2020.10.17"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. Na3 Bg4 6. Be2 Nf6 7. d3 e6 8. Nc4
Be7 9. Qa4 O-O 10. Ne3 Qh5 11. Nxg4 Qxg4 12. Qxg4 Nxg4 13. O-O Rad8 14. d4 Nf6
15. dxc5 Bxc5 16. Bg5 h6 17. Bxf6 gxf6 18. Rfd1 Kg7 19. Kf1 f5 20. Rxd8 Rxd8 21.
Rd1 Rxd1+ 22. Bxd1 Kf6 23. Nd2 b6 24. h3 Bf8 25. Nc4 Ne5 26. Nxe5 Kxe5 27. Ke2
f4 28. Kd3 Bc5 29. f3 f5 30. b4 Bf2 31. Bb3 Kd6 32. Bc4 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.19"]
[Round "8.5"]
[White "Yermolinsky, Alex"]
[Black "Novikov, Igor"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2486"]
[BlackElo "2554"]
[ECO "A13"]
[Opening "English"]
[Variation "Wimpey system"]
[WhiteFideId "2005492"]
[BlackFideId "14100037"]
[EventDate "2020.10.17"]

1. Nf3 d5 2. c4 e6 3. e3 Nf6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Be2 Bd6 8. O-O
O-O 9. d4 cxd4 10. Nxd4 Re8 11. Nd2 a6 12. N2f3 Ne5 13. Nxe5 Bxe5 14. h3 Bd7 15.
Qd3 Rc8 16. a4 Qe7 17. Ba3 Bd6 18. Bxd6 Qxd6 19. Bf3 h6 20. Rfc1 Rxc1+ 21. Rxc1
Rc8 22. Rxc8+ Bxc8 23. Qc3 Bd7 24. a5 Kf8 25. b4 Ke7 26. Nb3 Be6 27. Nc5 Qc7 28.
Qd4 Kf8 29. Kf1 Qc6 30. Ke1 Nd7 31. Kd2 Nxc5 32. Qxc5+ Qxc5 33. bxc5 Ke7 34. Kc3
Kd7 35. Bd1 Kc6 36. Kb4 Kc7 37. Ba4 Bd7 38. Bc2 Kc6 39. f4 g5 40. fxg5 hxg5 41.
Ba4+ Kc7 42. Bxd7 Kxd7 43. Kc3 1-0

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.19"]
[Round "9.1"]
[White "Novikov, Igor"]
[Black "Wolff, Patrick"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2554"]
[BlackElo "2552"]
[ECO "D82"]
[Opening "Gruenfeld"]
[Variation "4.Bf4"]
[WhiteFideId "14100037"]
[BlackFideId "2000148"]
[EventDate "2020.10.17"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c5 6. dxc5 Qa5 7. Rc1 dxc4 8. Bxc4
O-O 9. Ne2 Qxc5 10. Qb3 Qa5 11. O-O Nbd7 12. Rfd1 Nb6 13. Bc7 Bd7 14. Nd5 Nfxd5
15. Rxd5 Qa4 16. Bxb6 axb6 17. Qxb6 Be6 18. Bb3 Qa6 19. Qxa6 Rxa6 20. Rb5 Bxb3
21. Rxb3 Rxa2 22. Rxb7 Rxb2 23. Rxb2 Bxb2 24. Rb1 Ra8 25. g4 Ra2 26. Nc1 Bxc1
27. Rxc1 Kg7 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.19"]
[Round "9.2"]
[White "Christiansen, Larry"]
[Black "Yermolinsky, Alex"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2567"]
[BlackElo "2486"]
[ECO "A30"]
[Opening "English"]
[Variation "symmetrical variation"]
[WhiteFideId "2000059"]
[BlackFideId "2005492"]
[EventDate "2020.10.17"]

1. c4 c5 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4
d6 9. Rd1 Nbd7 10. Be3 Rc8 11. Rac1 a6 12. b3 O-O 13. Qh4 Re8 14. Bh6 Rc5 15.
Bxg7 Kxg7 16. Qd4 b5 17. Nd2 Bxg2 18. Kxg2 bxc4 19. Nxc4 Qc7 20. e4 Kg8 21. Ne3
Qb7 22. Ncd5 Nxd5 23. Nxd5 e6 24. Ne3 e5 25. Qxd6 Rxc1 26. Rxc1 Qxe4+ 27. Kg1
Nf8 28. Nd5 1-0

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.19"]
[Round "9.3"]
[White "Getz, Shelby"]
[Black "Benjamin, Joel"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2298"]
[BlackElo "2506"]
[ECO "A00"]
[Opening "Anderssen's opening"]
[WhiteFideId "2002191"]
[BlackFideId "2000091"]
[EventDate "2020.10.17"]

1. a3 Nf6 2. d4 g6 3. Nc3 d5 4. Bg5 Bg7 5. Qd2 h6 6. Bf4 c5 7. e3 O-O 8. O-O-O
Nc6 9. f3 Nh5 10. Be5 Nxe5 11. dxe5 Bxe5 12. Nxd5 Be6 13. Ne2 Bxd5 14. Qxd5 Qc7
15. f4 Bg7 16. Ng3 Rad8 17. Qb3 Rxd1+ 18. Kxd1 Rd8+ 19. Kc1 Nxg3 20. hxg3 Rd6
21. c3 Qc6 22. Qc2 Qd5 23. e4 Qa2 24. Bd3 c4 25. Qb1 Qb3 26. Bc2 Qb6 27. Qa2
Bxc3 28. Rd1 Qe3+ 29. Kb1 Rxd1+ 30. Bxd1 Qd3+ 31. Bc2 Qf1+ 32. Bd1 Qxd1# 0-1

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.19"]
[Round "9.4"]
[White "Shabalov, Alexander"]
[Black "Gurevich, Dmitry"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2528"]
[BlackElo "2399"]
[ECO "B56"]
[Opening "Sicilian"]
[WhiteFideId "2008572"]
[BlackFideId "2000407"]
[EventDate "2020.10.17"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 Nxd4 7. Qxd4 g6 8.
Bc4 Bg7 9. O-O O-O 10. Qf2 Be6 11. Bb3 Qc8 12. Be3 b6 13. Rad1 Bxb3 14. axb3 Qb7
15. Bd4 Rac8 16. Nd5 Nxd5 17. Bxg7 Kxg7 18. Rxd5 Rc5 19. Rfd1 Rfc8 20. c3 a5 21.
b4 Rxd5 22. Rxd5 axb4 23. Qd4+ Kg8 24. Qxb4 Rc5 25. Rxc5 dxc5 26. Qc4 Qc6 27. b4
Qd6 28. bxc5 bxc5 29. Qe2 Kg7 1/2-1/2

[Event "ch-USA Senior 2020"]
[Site "lichess.org INT"]
[Date "2020.10.19"]
[Round "9.5"]
[White "Goldin, Alexander"]
[Black "Kaidanov, Gregory"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2542"]
[BlackElo "2549"]
[ECO "A08"]
[Opening "Reti"]
[Variation "King's Indian attack"]
[WhiteFideId "2019540"]
[BlackFideId "2008564"]
[EventDate "2020.10.17"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 5. O-O cxd4 6. Nxd4 e5 7. Nxc6 bxc6 8.
c4 Be6 9. Qa4 Qd7 10. Nc3 Rc8 11. cxd5 cxd5 12. Qxd7+ Kxd7 13. Rd1 Bc5 14. Nxd5
Nxd5 15. Bxd5 Bxd5 16. Rxd5+ Ke6 17. Rd1 Rhd8 18. Bd2 1/2-1/2

