[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.18"]
[Round "1.1"]
[White "Sevian, Samuel"]
[Black "Fridman, Daniel"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2677"]
[BlackElo "2644"]
[ECO "C42"]
[Opening "Petrov"]
[Variation "Nimzovich attack"]
[WhiteFideId "2040506"]
[BlackFideId "11600454"]
[EventDate "2019.06.18"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 O-O 8.
Qd2 Nd7 9. O-O-O Nf6 10. h4 Re8 11. Bd3 Bf8 12. Ng5 h6 13. f3 c5 14. g4 Qa5 15.
Kb1 b5 16. Ne4 Nxe4 17. Bxe4 Be6 18. c4 Qxd2 19. Bxd2 Rac8 20. cxb5 d5 21. Bd3
c4 22. Bf5 a6 23. bxa6 Ra8 24. Bc3 Rxa6 25. h5 Rb8 26. Rhe1 Ba3 27. b3 Bc5 28.
f4 Rba8 29. a4 Rb8 30. Be5 Rb7 31. Ka2 Bb4 32. Re2 d4 33. Bxe6 Rxe6 34. Rxd4 f6
35. Rxc4 fxe5 36. Rxe5 Rxe5 37. fxe5 Kf7 38. c3 Ba5 39. b4 Bc7 40. Kb3 Ke6 41.
Rc6+ Kxe5 42. a5 Kd5 43. Ra6 Bf4 44. c4+ Kd4 45. Re6 Bd2 46. Rd6+ Ke3 47. Rxd2
Kxd2 48. a6 Ra7 49. b5 Kd3 50. c5 Kd4 51. b6 Rxa6 52. b7 Kxc5 53. b8=Q Rb6+ 54.
Qxb6+ Kxb6 1/2-1/2

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.18"]
[Round "1.2"]
[White "Oparin, Grigoriy"]
[Black "Gabuzyan, Hovhannes"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2644"]
[BlackElo "2619"]
[ECO "A46"]
[Opening "Queen's pawn game"]
[WhiteFideId "24125890"]
[BlackFideId "13303732"]
[EventDate "2019.06.18"]

1. d4 Nf6 2. Nf3 e6 3. g3 b5 4. Bg5 Bb7 5. Nbd2 Be7 6. Bg2 c5 7. dxc5 Na6 8. c4
b4 9. Nb3 Rc8 10. Rc1 Nxc5 11. O-O O-O 12. Nxc5 Rxc5 13. Be3 Ra5 14. Qb3 Ne4 15.
a3 Nc5 16. Bxc5 Bxc5 17. axb4 Qb6 18. b5 a6 19. Qc3 Bxf3 20. Bxf3 Ra4 21. e3
axb5 22. cxb5 Be7 23. Qd3 Rd8 24. Rc2 Bf6 25. b3 Ra5 26. Be2 g6 27. Rfc1 Kg7 28.
Qc4 Ra7 29. b4 h5 30. h4 Qb8 31. Qd3 Be5 32. Kg2 Ra4 33. Qb3 Ra7 34. Rc5 Bf6 35.
Qd3 Be7 36. Qd4+ Bf6 37. Qd3 Be7 38. Rc8 Rxc8 39. Rxc8 Qxc8 40. Qd4+ Bf6 41.
Qxa7 d5 42. b6 Be5 43. Qe7 Qf8 44. Qc5 Bd6 45. Qd4+ Kg8 46. g4 hxg4 47. Qxg4 Qg7
48. b7 Qe5 49. Bf3 Kg7 50. Qg3 Bb8 51. b5 Qc7 52. Qxc7 Bxc7 53. b6 Bb8 54. Be2
Kf6 55. Bb5 Ke7 56. Kf3 Kf6 57. Ke2 Ke7 58. Kd3 Be5 59. Kc2 Bb8 60. Kb3 Bd6 61.
Ka4 Bb8 62. Bd3 Kd6 63. Kb5 Kd7 64. Bc2 Kd6 65. Ba4 Kd7 66. Kc5+ Kd8 67. Kc6 Ke7
68. Bd1 Kd8 69. h5 gxh5 70. Bxh5 f5 71. Bg6 Ke7 72. Bh7 Kd8 73. Bxf5 exf5 74.
Kxd5 Kd7 75. f4 Bd6 76. e4 fxe4 77. Kxe4 1/2-1/2

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.18"]
[Round "1.3"]
[White "Ganguly, Surya Shekhar"]
[Black "Kovalenko, Igor"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2642"]
[BlackElo "2651"]
[ECO "B13"]
[Opening "Caro-Kann"]
[Variation "exchange, Rubinstein variation"]
[WhiteFideId "5002150"]
[BlackFideId "14117908"]
[EventDate "2019.06.18"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qd7 8. Nd2
e6 9. Ngf3 Bd6 10. Bxd6 Qxd6 11. O-O O-O 12. Rfe1 Bxf3 13. Nxf3 Rab8 14. Qd1 Qf4
15. Qe2 a6 16. a3 Nd7 17. Qc2 g6 18. Re3 Rfe8 19. Rae1 b5 20. g3 Qf6 21. Qe2 Nb6
22. b4 Rbc8 23. h4 Re7 24. Nh2 Qg7 25. h5 Nd8 26. Qd2 Rec7 27. hxg6 hxg6 28. Rc1
Qh8 29. Kg2 Qg7 30. Ng4 Nd7 31. a4 bxa4 32. Bxa6 Ra8 33. b5 Nb8 34. Ra1 Nxa6 35.
Rxa4 Rca7 36. bxa6 Rxa6 37. Rxa6 Rxa6 38. Re1 g5 39. Qb2 Ra8 40. Qb5 Qf8 41. Rh1
Qe7 42. Ne5 Ra7 43. Qb1 Qf6 44. Qh7+ Kf8 45. Rh6 Qg7 46. Qh8+ Qxh8 47. Rxh8+ Ke7
48. Rxd8 Rc7 49. Rg8 1-0

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.19"]
[Round "2.1"]
[White "Fridman, Daniel"]
[Black "Kovalenko, Igor"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2644"]
[BlackElo "2651"]
[ECO "D02"]
[Opening "Queen's pawn game"]
[WhiteFideId "11600454"]
[BlackFideId "14117908"]
[EventDate "2019.06.18"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O Nbd7 8. Qc2
c6 9. Rd1 b6 10. Bf4 Ba6 11. Ne5 Rc8 12. cxd5 cxd5 13. Nc6 Qe8 14. Nxe7+ Qxe7
15. Nc3 Bb7 16. Rac1 a6 17. Qd3 Rc6 18. Nb1 Rfc8 19. Rxc6 Rxc6 20. Qa3 Qxa3 21.
Nxa3 a5 22. Rc1 Rxc1+ 23. Bxc1 Ba6 24. Bf1 Ne4 25. f3 Nd6 26. Bf4 Ne8 27. Bd2
Nb8 28. e3 Bxf1 29. Kxf1 Nd6 30. Ke2 Nc6 31. Nc2 1/2-1/2

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.19"]
[Round "2.2"]
[White "Gabuzyan, Hovhannes"]
[Black "Ganguly, Surya Shekhar"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2619"]
[BlackElo "2642"]
[ECO "E32"]
[Opening "Nimzo-Indian"]
[Variation "classical variation"]
[WhiteFideId "13303732"]
[BlackFideId "5002150"]
[EventDate "2019.06.18"]

1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Qc2 O-O 5. Bg5 c5 6. dxc5 h6 7. Bh4 Na6 8. e3
Nxc5 9. Ne2 Nce4 10. a3 Qa5 11. Bxf6 Nxf6 12. O-O-O Be7 13. Nd4 a6 14. g4 b5 15.
Rg1 b4 16. axb4 Bxb4 17. Nb3 Qe5 18. Na2 Be7 19. h4 Ne8 20. Nd4 Bb7 21. g5 h5
22. Bd3 g6 23. Nc3 Ng7 24. Nde2 Rab8 25. Nf4 Qa5 26. Kd2 Bf3 27. Ra1 Qb6 28. Ra2
Bd6 29. Nfe2 Be5 30. Rga1 Rfc8 31. Rxa6 Qxb2 32. Nd4 Nf5 33. Bxf5 gxf5 34. R6a2
Qxc2+ 35. Rxc2 Bxd4 36. exd4 Rxc4 37. Ra4 Rxa4 38. Nxa4 Rb4 39. Rc8+ Kg7 40. Nc5
Bc6 41. Ke3 f4+ 42. Kd3 Rb2 43. d5 exd5 44. Rd8 Rxf2 45. Nxd7 Bb5+ 46. Kd4 Rd2+
47. Kc3 Rd3+ 48. Kc2 f3 49. Nf6 Kg6 50. Rd6 Kf5 51. Nxh5 Kg4 52. g6 fxg6 53. Ng7
f2 54. Rxg6+ Kh3 0-1

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.19"]
[Round "2.3"]
[White "Sevian, Samuel"]
[Black "Oparin, Grigoriy"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2677"]
[BlackElo "2644"]
[ECO "C95"]
[Opening "Ruy Lopez"]
[Variation "closed, Breyer, Borisenko variation"]
[WhiteFideId "2040506"]
[BlackFideId "24125890"]
[EventDate "2019.06.18"]

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 Nb8 10. d4 Nbd7 11. Bc2 Bb7 12. Nbd2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4
Bg7 16. Bd3 exd4 17. cxd4 c5 18. axb5 axb5 19. Rxa8 Bxa8 20. Bxb5 cxd4 21. Nxd4
Nxe4 22. Nxe4 Rxe4 23. Rxe4 Bxe4 24. Bf1 Bb7 25. b4 Nf6 26. Nb5 Nd5 27. Bc4 Qe7
28. Bxd5 Bxd5 29. Qxd5 Qe1+ 30. Kh2 Qxc1 31. Nxd6 Qf4+ 32. Kg1 Qc1+ 33. Kh2 Qf4+ 1/2-1/2

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.20"]
[Round "3.1"]
[White "Oparin, Grigoriy"]
[Black "Fridman, Daniel"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2644"]
[BlackElo "2644"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack (Barcza system)"]
[WhiteFideId "24125890"]
[BlackFideId "11600454"]
[EventDate "2019.06.18"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O c5 5. d4 Nc6 6. c4 dxc4 7. Qa4 Bd7 8. Qxc4
b5 9. Qd3 c4 10. Qd1 Rc8 11. Ne5 Bd6 12. a4 Nxe5 13. dxe5 Bxe5 14. axb5 Qb6 15.
Nc3 Bxc3 16. bxc3 O-O 17. Bg5 Bxb5 18. Be3 Qd8 19. Rxa7 Bc6 20. Qxd8 Rfxd8 21.
Bxc6 Rxc6 22. Bg5 Rb6 23. Rc7 Rb2 24. e3 h6 25. Bxf6 gxf6 26. Rxc4 Rc2 27. Ra1
f5 28. g4 Rdd2 29. Rf4 Rxc3 30. gxf5 exf5 31. Rxf5 Rdc2 32. Raa5 Kg7 33. h4 Rc4
34. Kg2 Rg4+ 35. Kf3 Rg6 36. Ra4 Rc7 37. Kf4 Rc2 38. Kf3 Rc7 39. Ra3 Rf6 40.
Rxf6 Kxf6 41. e4 Rc2 42. Kg3 Kg7 43. f3 Rc1 44. Ra7 Rg1+ 45. Kf4 Rh1 46. Kg4
Rg1+ 47. Kf5 Rh1 48. Kg4 Rg1+ 49. Kf4 Rh1 50. Kg3 Rg1+ 51. Kh2 Re1 52. Kg2 Re2+
53. Kg3 Re1 54. Ra2 Kf6 55. Rg2 Rh1 56. Kg4 Kg6 57. e5 Kg7 58. f4 Rf1 59. f5 Kf8
60. Ra2 Re1 61. f6 Kg8 62. Kf5 Rf1+ 63. Ke4 Rh1 64. Kd5 h5 65. Kd6 Rb1 66. Ra8+
Kh7 67. e6 Rb6+ 68. Ke7 Rxe6+ 69. Kxf7 Re4 70. Kf8 Rxh4 71. f7 Re4 72. Re8 Rf4
73. Ke7 Kh6 74. f8=Q+ Rxf8 75. Rxf8 Kg5 76. Ke6 Kg4 77. Ke5 h4 78. Ke4 Kg3 79.
Ke3 h3 80. Rg8+ Kh2 81. Kf2 Kh1 82. Re8 h2 83. Re1# 1-0

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.20"]
[Round "3.2"]
[White "Ganguly, Surya Shekhar"]
[Black "Sevian, Samuel"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2642"]
[BlackElo "2677"]
[ECO "A20"]
[Opening "English opening"]
[WhiteFideId "5002150"]
[BlackFideId "2040506"]
[EventDate "2019.06.18"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. O-O Nf6 7. d3 Bd6 8.
Nbd2 O-O 9. b3 Re8 10. Bb2 Bf5 11. Nc4 Qd7 12. d4 e4 13. Nfe5 Bxe5 14. dxe5 Nd5
15. Nd6 cxd6 16. Qxd5 Nxe5 17. Bxe4 Bxe4 18. Qxe4 Nc6 19. Qf3 Qe6 20. e3 d5 21.
Rfd1 Rad8 22. Rd2 Qe4 23. Kg2 Qxf3+ 24. Kxf3 Rd7 25. Rad1 Red8 26. g4 f6 27. h4
Kf7 28. h5 Ke6 29. Kf4 Ne5 30. Bd4 Nc6 31. Bc5 g6 32. hxg6 hxg6 33. Rh1 g5+ 34.
Kg3 b6 35. Ba3 d4 36. Rc2 Ne5 37. f4 Nd3 38. f5+ Kd5 39. Rd1 Ke4 40. exd4 Nf4
41. d5 Rxd5 42. Rc4+ Ke3 43. Bc1+ Ke2 44. Rxd5 Nxd5 45. Rd4 Rd7 46. a4 b5 47.
axb5 Nb6 48. Rxd7 Nxd7 49. Bb2 Ke3 50. Ba3 Kd3 51. Bb2 Ke3 52. b4 Ke4 53. Bc3
Kd3 54. Be1 Kc4 55. Bf2 Kxb5 56. Bxa7 Kxb4 57. Bd4 Kc4 58. Bb2 Kd5 59. Kf3 Ne5+
60. Bxe5 Kxe5 1/2-1/2

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.20"]
[Round "3.3"]
[White "Kovalenko, Igor"]
[Black "Gabuzyan, Hovhannes"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2651"]
[BlackElo "2619"]
[ECO "A48"]
[Opening "King's Indian"]
[Variation "London system"]
[WhiteFideId "14117908"]
[BlackFideId "13303732"]
[EventDate "2019.06.18"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 O-O 6. c3 Nfd7 7. Bc4 Nc6 8. a4 e5
9. Bh2 a5 10. O-O Qe7 11. Na3 Nb6 12. Bb3 h6 13. Nb5 Na7 14. Nxa7 Rxa7 15. e4
Bd7 16. Re1 Raa8 17. Bg3 Bf6 18. Qd2 Kg7 19. Bc2 Rfe8 20. b3 c5 21. dxe5 dxe5
22. c4 Bc6 23. Qc3 Nd7 24. Rad1 Kg8 25. Re2 Bg7 26. Red2 Nf8 27. Qe3 f6 28. Nh4
Rad8 29. Rd5 Bxd5 30. cxd5 Qf7 31. Bd3 b6 32. Bb5 Re7 33. d6 Re6 34. Bc4 Kh7 35.
f4 exf4 36. Qxf4 Qe8 37. Bxe6 Qxe6 38. Qf3 Nd7 39. Qd3 c4 40. bxc4 Nc5 41. Qb1
Nxe4 42. Re1 f5 43. Qxb6 Rd7 44. Nf3 Qxc4 45. Be5 Qxa4 46. Bxg7 Kxg7 47. Qb2+
Nf6 48. Re6 Rf7 49. Nd4 Qb4 50. Qa1 Qc5 51. Kh1 Qd5 52. Qc3 a4 53. Qe3 a3 54.
Qc3 a2 55. Re2 Ra7 56. Qa1 Qxd4 0-1

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.21"]
[Round "4.1"]
[White "Ganguly, Surya Shekhar"]
[Black "Fridman, Daniel"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2642"]
[BlackElo "2644"]
[ECO "C42"]
[Opening "Petrov"]
[Variation "classical attack"]
[WhiteFideId "5002150"]
[BlackFideId "11600454"]
[EventDate "2019.06.18"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bf5 7. O-O Be7 8. Ne5
Nd7 9. Nc3 Nxe5 10. dxe5 Nxc3 11. bxc3 Qd7 12. Bxf5 Qxf5 13. Qxd5 O-O 14. Qxb7
Qxe5 15. Qc6 Rfe8 16. g3 Qc5 17. Qf3 Bf6 18. Bd2 Rad8 19. Rfe1 Rxe1+ 20. Rxe1 h5
21. Bf4 Bxc3 22. Re4 Bf6 23. Qe2 g6 24. Re8+ Rxe8 25. Qxe8+ Kg7 26. Qe4 Bd4 27.
Kg2 c6 28. c4 Qb6 29. Be5+ Bxe5 30. Qxe5+ Kg8 31. Qd6 Qa6 32. Qb8+ Kh7 33. Qb3
c5 34. h4 Kg7 35. Qc3+ 1/2-1/2

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.21"]
[Round "4.2"]
[White "Kovalenko, Igor"]
[Black "Oparin, Grigoriy"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2651"]
[BlackElo "2644"]
[ECO "A16"]
[Opening "English opening"]
[WhiteFideId "14117908"]
[BlackFideId "24125890"]
[EventDate "2019.06.18"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. e3 d5 5. d4 Nc6 6. a3 a6 7. dxc5 Bxc5 8. b4 Ba7
9. Bb2 O-O 10. Qc2 Qe7 11. Rd1 Rd8 12. Be2 d4 13. exd4 Nxd4 14. Nxd4 Bxd4 15.
O-O e5 16. Na4 Bd7 17. Bxd4 Bxa4 18. Qxa4 Rxd4 19. g3 Rad8 20. c5 g6 21. Qc2 Kg7
22. Rxd4 exd4 23. Bf3 h5 24. Rd1 h4 25. gxh4 Qe5 26. Qe2 Qf4 27. Rd3 Qxh4 28.
Bxb7 Nh5 29. Qd2 Nf4 30. Rg3 d3 31. Bf3 Qf6 32. h3 Re8 33. Kh2 Ne2 34. Qxd3 Nxg3
35. fxg3 Qb2+ 36. Bg2 Re2 37. Qf3 Rf2 38. Qe4 Re2 39. Qf3 Rc2 40. c6 Rc3 41. Qf4
Rxc6 42. Qe4 Re6 43. Qd3 Re2 44. Qd5 Re3 45. h4 Rxa3 46. h5 Qc3 47. Qg5 Qe3 48.
Qg4 Qh6 49. Qd4+ Kg8 50. g4 Qe3 51. Qd8+ Kg7 52. Qd6 Rd3 53. Qc7 Qg5 54. Qc2
Qe5+ 55. Kh1 Re3 56. Qf2 gxh5 57. gxh5 Re1+ 58. Bf1 Qxh5+ 59. Kg2 Qg5+ 60. Kh2
Re4 0-1

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.21"]
[Round "4.3"]
[White "Gabuzyan, Hovhannes"]
[Black "Sevian, Samuel"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2619"]
[BlackElo "2677"]
[ECO "A20"]
[Opening "English opening"]
[WhiteFideId "13303732"]
[BlackFideId "2040506"]
[EventDate "2019.06.18"]

1. c4 e5 2. a3 Nf6 3. d3 c6 4. Nf3 Bd6 5. Nc3 Bc7 6. Bg5 h6 7. Bxf6 Qxf6 8. g3
O-O 9. Bg2 d6 10. O-O Qd8 11. b4 a6 12. Qb3 Be6 13. d4 Nd7 14. d5 cxd5 15. cxd5
Bg4 16. Nd2 f5 17. a4 Bb6 18. Nc4 Nf6 19. Nxb6 Qxb6 20. a5 Qd8 21. f3 Bh5 22.
Bh3 Nh7 23. Na4 Ng5 24. Bg2 Qe7 25. Nb6 Rae8 26. e4 fxe4 27. fxe4 Be2 28. Rxf8+
Rxf8 29. Qe3 Bg4 30. Rf1 Rxf1+ 31. Kxf1 Qf7+ 32. Qf2 Qg6 33. Qe3 Qf7+ 34. Qf2
Qe8 35. Qc2 Qf8+ 36. Qf2 Qe8 37. Qc2 Kh7 38. Nc4 Qg6 39. Nd2 Qf7+ 40. Ke1 Bf3
41. Nxf3 Nxf3+ 42. Bxf3 Qxf3 43. Qe2 Qc3+ 44. Kf2 Qxb4 45. Qf3 Qd2+ 46. Kg1 Qg5
47. h4 Qf6 48. Qxf6 gxf6 49. h5 Kg7 50. Kg2 f5 51. exf5 Kf6 52. g4 Kf7 53. Kf3
Kg7 54. Kg3 Kf7 55. Kh4 Kf6 56. Kg3 1/2-1/2

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.22"]
[Round "5.1"]
[White "Fridman, Daniel"]
[Black "Gabuzyan, Hovhannes"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2644"]
[BlackElo "2619"]
[ECO "E62"]
[Opening "King's Indian"]
[Variation "fianchetto, Larsen system"]
[WhiteFideId "11600454"]
[BlackFideId "13303732"]
[EventDate "2019.06.18"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 d6 6. Nc3 c6 7. O-O Bf5 8. b3 Ne4
9. Bb2 Nxc3 10. Bxc3 Be4 11. Rc1 Nd7 12. e3 b5 13. cxb5 cxb5 14. Ne1 Nf6 15.
Bxe4 Nxe4 16. Qd3 Nxc3 17. Rxc3 Qa5 18. Qc2 e5 19. Nf3 exd4 20. Nxd4 Bxd4 21.
exd4 Rae8 22. Rc6 Qb4 23. Qd3 Re7 24. Kg2 Rfe8 25. Rfc1 Kg7 26. Ra6 Re2 27. Rc3
R8e3 28. Qxe3 Rxe3 29. Rxe3 Qxd4 30. Re7 Qd5+ 31. Kg1 Qd1+ 32. Kg2 1/2-1/2

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.22"]
[Round "5.2"]
[White "Sevian, Samuel"]
[Black "Kovalenko, Igor"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2677"]
[BlackElo "2651"]
[ECO "C18"]
[Opening "French"]
[Variation "Winawer, advance variation"]
[WhiteFideId "2040506"]
[BlackFideId "14117908"]
[EventDate "2019.06.18"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qg4
g6 9. h4 Nc6 10. h5 Qxc2 11. Nf3 c4 12. hxg6 Qxg6 13. Qf4 Bd7 14. Rh3 h6 15. Be2
O-O-O 16. Rg3 Qh7 17. Bd1 Rf8 18. Nh4 Nge7 19. Rc1 Nf5 20. Nxf5 exf5 21. Bf3 Be6
22. Qh4 Rfg8 23. Qxh6 Rxg3 24. Qxh7 Rxh7 25. fxg3 Na5 26. Be3 Nb3 27. Rd1 b5 28.
Kf2 a5 29. Rf1 Kd7 30. Bd1 Kc6 31. Bc2 Rh5 32. Rb1 a4 33. Rd1 Kb6 34. Bf4 Kb7
35. Kf3 Kc6 36. Ke3 Kb6 37. Ke2 Kb7 38. Kf2 Kc6 39. Be3 Kb7 40. Kf3 Kc7 41. Kf4
Kd7 42. Rf1 Kc6 43. Kf3 Kb7 44. Kf2 Kc7 45. Kg1 Kc6 46. Rf4 Rg5 47. Kf2 b4 48.
cxb4 Kb5 49. Rh4 Rg8 50. Rh1 Rc8 51. Rd1 Rh8 52. Bf4 Rc8 53. Be3 1/2-1/2

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.22"]
[Round "5.3"]
[White "Oparin, Grigoriy"]
[Black "Ganguly, Surya Shekhar"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2644"]
[BlackElo "2642"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack"]
[WhiteFideId "24125890"]
[BlackFideId "5002150"]
[EventDate "2019.06.18"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 c6 5. O-O Nf6 6. b3 O-O 7. Bb2 a5 8. c4 a4
9. e3 axb3 10. axb3 Rxa1 11. Bxa1 Bf5 12. Nc3 Nbd7 13. h3 Ne4 14. Ne2 Qa5 15.
cxd5 cxd5 16. g4 Be6 17. Nf4 Qa2 18. Ne5 Nxe5 19. Nxe6 fxe6 20. Bxe4 Nc6 21. Bd3
Rc8 22. Bc3 Ne5 23. Bb1 Qa3 24. Bd2 Nf7 25. h4 e5 26. dxe5 Nxe5 27. h5 gxh5 28.
g5 Ng6 29. Qxh5 Qxb3 30. Bxg6 hxg6 31. Qxg6 d4 32. exd4 Qh3 33. Qe4 Rf8 34. Rb1
Qf5 35. Qxf5 Rxf5 36. Be3 Rd5 37. Kg2 Bxd4 38. Rd1 e5 39. Bxd4 exd4 40. f4 b5
41. Kf3 b4 42. Ke4 Rb5 43. Kxd4 b3 44. Kc3 b2 45. Kc2 Rb4 46. f5 Rb5 47. Rd8+
Kf7 48. g6+ Kg7 49. Rd7+ Kg8 50. Rd8+ 1/2-1/2

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.24"]
[Round "6.1"]
[White "Fridman, Daniel"]
[Black "Sevian, Samuel"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2644"]
[BlackElo "2677"]
[ECO "E68"]
[Opening "King's Indian"]
[Variation "fianchetto, classical variation, 8.e4"]
[WhiteFideId "11600454"]
[BlackFideId "2040506"]
[EventDate "2019.06.18"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 d6 6. Nc3 Nbd7 7. O-O e5 8. e4
exd4 9. Nxd4 Nc5 10. f3 Nfd7 11. Be3 a5 12. b3 a4 13. Qc2 axb3 14. axb3 Rxa1 15.
Rxa1 Re8 16. Bf2 c6 17. b4 Na6 18. Rb1 Ne5 19. Na2 c5 20. Nb5 cxb4 21. Nxb4 Nxb4
22. Rxb4 Be6 23. Nd4 Nc6 24. Nxc6 bxc6 25. f4 c5 26. Rb1 Qa5 27. Qb3 Rd8 28. Bf1
Ra8 29. h3 Bd7 30. Qb6 Qd2 31. Re1 Bd4 32. Re2 Qd3 33. Re3 Qd1 34. Qb3 Qc1 35.
Rf3 Bxh3 36. Bxd4 cxd4 37. e5 dxe5 38. fxe5 Be6 39. Qb6 Qa1 40. c5 Bd5 41. Rf2
Qc3 42. Kh2 Qe3 43. Qf6 Re8 44. c6 Qxe5 45. Bh3 Qxf6 46. Rxf6 Re2+ 47. Kg1 Rc2
48. Bd7 d3 49. Rd6 Bf3 50. Rxd3 Bxc6 0-1

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.24"]
[Round "6.2"]
[White "Gabuzyan, Hovhannes"]
[Black "Oparin, Grigoriy"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2619"]
[BlackElo "2644"]
[ECO "C45"]
[Opening "Scotch"]
[Variation "Potter variation"]
[WhiteFideId "13303732"]
[BlackFideId "24125890"]
[EventDate "2019.06.18"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nf6 7. Qe2 O-O 8.
Bg5 h6 9. Bh4 a5 10. a4 Nd4 11. Qd3 Nxb3 12. cxb3 c6 13. O-O-O d5 14. exd5 cxd5
15. Qc2 Be6 16. Nxd5 Bxd5 17. Bxf6 Qxf6 18. Rxd5 Qxf2 19. Bc4 Be3+ 20. Kb1 Qxc2+
21. Kxc2 b6 22. b4 axb4 23. Kb3 Rfd8 24. Rhd1 Rxd5 25. Rxd5 Ra7 26. Kxb4 g6 27.
g4 Kg7 28. b3 Bf2 29. h3 Kf6 30. Rd3 Ke5 31. Kb5 Ra5+ 32. Kc6 f5 33. Bb5 fxg4
34. hxg4 Ra8 35. Rd5+ Kf4 36. Rd6 Kg5 37. Be2 Rf8 38. Rd5+ Kf4 39. b4 Re8 40.
Bd1 Re4 41. Rd2 Be3 42. Rb2 Re6+ 43. Kb7 Re5 44. b5 h5 45. gxh5 gxh5 46. Rh2 Kg3
47. Rxh5 1/2-1/2

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.24"]
[Round "6.3"]
[White "Kovalenko, Igor"]
[Black "Ganguly, Surya Shekhar"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2651"]
[BlackElo "2642"]
[ECO "D44"]
[Opening "QGD semi-Slav"]
[Variation "Botvinnik system (anti-Meran)"]
[WhiteFideId "14117908"]
[BlackFideId "5002150"]
[EventDate "2019.06.18"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 dxc4 6. e4 b5 7. a4 b4 8. Nb1 Be7
9. Bxf6 Bxf6 10. Bxc4 O-O 11. a5 Qc7 12. e5 Be7 13. Nbd2 c5 14. d5 exd5 15. Bxd5
Nc6 16. O-O Rb8 17. Re1 b3 18. Qb1 Be6 19. Bxe6 fxe6 20. Qd3 Nxa5 21. Ra4 Rb4
22. Rxb4 cxb4 23. Ra1 Qb6 24. Qd7 Bd8 25. h3 Qc6 26. Qxa7 h6 27. Qd4 Qc2 28. Ne1
Qf5 29. Ndf3 Qf4 30. Qd6 Qc4 31. Rd1 Nc6 32. Qd2 Be7 33. Rc1 Qe4 34. Qd7 Nxe5
35. Qxe6+ Kh7 36. Qxe5 1-0

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.25"]
[Round "7.1"]
[White "Kovalenko, Igor"]
[Black "Fridman, Daniel"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2651"]
[BlackElo "2644"]
[ECO "D31"]
[Opening "QGD"]
[Variation "Charousek (Petrosian) variation"]
[WhiteFideId "14117908"]
[BlackFideId "11600454"]
[EventDate "2019.06.18"]

1. c4 e6 2. Nc3 d5 3. d4 Be7 4. Nf3 Nf6 5. e3 O-O 6. b3 c5 7. Bd3 cxd4 8. exd4
Nc6 9. O-O b6 10. Re1 Bb7 11. Bb2 Rc8 12. Rc1 Re8 13. a3 Bf8 14. cxd5 Nxd5 15.
Nxd5 Qxd5 16. Be4 Qh5 17. b4 a5 18. bxa5 Qxa5 19. d5 exd5 20. Bc3 Qxa3 21. Bxh7+
Kxh7 22. Qd3+ Re4 23. Ng5+ Kh6 24. Nxe4 dxe4 25. Qxe4 Rd8 26. Qf5 Ne7 27. Qxf7
Kh7 28. Bf6 Bd5 29. Qh5+ Kg8 30. Qg5 Kf7 31. Be5 Rd7 32. Rc3 Qb4 33. h4 Kg8 34.
Rce3 Bf7 35. h5 Rd5 36. Re4 Qd2 37. Qh4 Nf5 38. Qh3 Qg5 39. g4 Nh6 40. Bd4 Bc5
41. Bxc5 bxc5 42. Qg3 Rd4 43. f3 Rxe4 44. Rxe4 Bxh5 45. Re5 Qc1+ 46. Re1 Qg5 47.
Qb8+ Kh7 48. Qe5 Qxe5 49. Rxe5 Bf7 50. Rxc5 Be6 51. g5 Nf7 52. Kf2 g6 53. f4 Kg7
54. Ke3 Bh3 1/2-1/2

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.25"]
[Round "7.2"]
[White "Ganguly, Surya Shekhar"]
[Black "Gabuzyan, Hovhannes"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2642"]
[BlackElo "2619"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Byrne (English) attack"]
[WhiteFideId "5002150"]
[BlackFideId "13303732"]
[EventDate "2019.06.18"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Qc7 8. a4
Be7 9. Be2 O-O 10. O-O Nbd7 11. Nd2 b6 12. Bc4 Bb7 13. Qe2 h6 14. Rfd1 Rfc8 15.
f3 Nc5 16. Kh1 Qd8 17. Ba2 Ncd7 18. Nc4 Rc6 19. Bb3 Rb8 20. Rd2 Bc8 21. Rad1 Qf8
22. Qf2 Nc5 23. Bxc5 bxc5 24. Na5 Rcb6 25. Nc4 Rc6 26. a5 Be6 27. Ba4 Rc7 28.
Qf1 Rb4 29. Nxd6 c4 30. f4 Ng4 31. f5 Ne3 32. Qf3 Nxd1 33. Qxd1 Bg5 34. fxe6
Bxd2 35. Qxd2 fxe6 36. h3 Rxa4 37. Nxa4 Rd7 38. Qe2 Rxd6 39. Nb6 Qf4 40. Nxc4
Rd4 0-1

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.25"]
[Round "7.3"]
[White "Oparin, Grigoriy"]
[Black "Sevian, Samuel"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2644"]
[BlackElo "2677"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack (Barcza system)"]
[WhiteFideId "24125890"]
[BlackFideId "2040506"]
[EventDate "2019.06.18"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O Nc6 5. d4 e6 6. b3 cxd4 7. Nxd4 Be7 8. Bb2
O-O 9. c4 Bd7 10. cxd5 Nxd5 11. Na3 Nxd4 12. Qxd4 Bf6 13. Qd2 Bc6 14. Nc4 Bxb2
15. Qxb2 Nb6 16. Bxc6 Nxc4 17. Qc3 Nd6 18. Bf3 Qb6 19. Rfd1 Rfd8 20. Qe5 Rac8
21. Rd3 Ne8 22. Rad1 Rxd3 23. Rxd3 Qc7 24. Qb5 Nd6 25. Qb4 Rd8 26. Bxb7 a5 27.
Qf4 Qb6 28. Bf3 Nb5 29. Rxd8+ Qxd8 30. Qc4 Nd6 31. Qc5 g6 32. a4 Nf5 33. b4 axb4
34. Qxb4 Qd1+ 35. Kg2 Nd4 36. Qb8+ Kg7 37. Qe5+ Kg8 38. a5 Nc2 39. h4 Ne1+ 40.
Kh2 Nxf3+ 41. exf3 Qxf3 42. Qb8+ Kg7 43. Qb2+ Kh6 44. a6 e5 45. a7 f5 46. Qa2
Qa8 47. Qa5 f4 48. gxf4 exf4 49. Qg5+ Kg7 50. Qe5+ Kh6 51. Qb8 Qf3 52. a8=Q
Qxf2+ 53. Qg2 Qxh4+ 54. Qh3 1-0

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.26"]
[Round "8.1"]
[White "Fridman, Daniel"]
[Black "Oparin, Grigoriy"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2644"]
[BlackElo "2644"]
[ECO "D31"]
[Opening "QGD"]
[Variation "Charousek (Petrosian) variation"]
[WhiteFideId "11600454"]
[BlackFideId "24125890"]
[EventDate "2019.06.18"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. g3 Nbd7 6. Bg2 dxc4 7. Nd2 Nb6 8.
Nxc4 O-O 9. Ne5 c5 10. dxc5 Qxd1+ 11. Nxd1 Bxc5 12. Nd3 Be7 13. Nc3 Rd8 14. O-O
Nbd5 15. Bd2 b6 16. Nf4 Bb7 17. Nfxd5 Nxd5 18. Nxd5 Bxd5 19. Bc3 f6 20. Rfd1
Bxg2 21. Kxg2 Kf7 22. f4 Rxd1 23. Rxd1 Rd8 24. Rxd8 Bxd8 25. Kf3 Ke7 26. Ke4 g6
27. a4 Kd6 28. Kd4 a6 29. e4 b5 30. axb5 axb5 1/2-1/2

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.26"]
[Round "8.2"]
[White "Sevian, Samuel"]
[Black "Ganguly, Surya Shekhar"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2677"]
[BlackElo "2642"]
[ECO "C17"]
[Opening "French"]
[Variation "Winawer, advance, Russian variation"]
[WhiteFideId "2040506"]
[BlackFideId "5002150"]
[EventDate "2019.06.18"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Qg4 Ne7 6. dxc5 Bxc5 7. Bd3 Qb6 8. Nh3
Nd7 9. f4 g6 10. Bd2 Be3 11. O-O-O Bxd2+ 12. Rxd2 Nc5 13. Qh4 h6 14. g4 Bd7 15.
Ng5 Qb4 16. Nxf7 Nxd3+ 17. cxd3 Kxf7 18. Qf6+ Kg8 19. a3 Qd4 20. Qxe7 Rh7 21.
Qb4 Qe3 22. Nd1 Qf3 23. Rg1 Rf7 24. f5 exf5 25. Qd4 Be6 26. Rf2 Qh3 27. gxf5
Bxf5 28. Ne3 Rc8+ 29. Kd2 Rcf8 30. Nxf5 Rxf5 31. Rxg6+ Kh7 32. Rfg2 Rf4 33. Rg7+
Kh8 34. Qxf4 Qxg2+ 35. Rxg2 Rxf4 36. Ke3 Rh4 37. e6 d4+ 38. Kd2 1-0

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.26"]
[Round "8.3"]
[White "Gabuzyan, Hovhannes"]
[Black "Kovalenko, Igor"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2619"]
[BlackElo "2651"]
[ECO "A20"]
[Opening "English opening"]
[WhiteFideId "13303732"]
[BlackFideId "14117908"]
[EventDate "2019.06.18"]

1. c4 e5 2. a3 c6 3. Nf3 e4 4. Nd4 Bc5 5. Nb3 Bb6 6. c5 Bc7 7. Nc3 Nf6 8. Qc2
Qe7 9. g4 h6 10. Bg2 O-O 11. h4 Nxg4 12. Qxe4 Qxe4 13. Nxe4 b6 14. d4 bxc5 15.
Nbxc5 d5 16. Nc3 Nd7 17. Nxd7 Bxd7 18. Na4 Nf6 19. Bd2 Rfe8 20. Rc1 Bb6 21. Nxb6
axb6 22. f3 Ra4 23. Bb4 Nh5 24. Kf2 f5 25. e3 Re6 26. Bh3 g6 27. Rc3 Kf7 28. Rb3
Ra6 29. Ra1 Ra4 30. Bc3 b5 31. Bb4 Nf6 32. Rc3 Ra8 33. Bc5 Ree8 34. b3 g5 35. a4
g4 36. Bg2 Kg6 37. a5 Re6 38. Bb6 Kh5 39. Bc7 b4 40. Rcc1 gxf3 41. Bxf3+ Ng4+
42. Bxg4+ fxg4 43. a6 Rf6+ 44. Ke2 Rg6 45. Bg3 Ra7 46. Bb8 Ra8 47. a7 g3 48. e4
Kxh4 49. exd5 cxd5 50. Rc5 Bg4+ 51. Ke3 g2 52. Rg1 Kh3 53. Rxd5 Rf6 54. Rc5 Rf3+
55. Kd2 Rf8 56. Rcc1 Rfxb8 57. axb8=Q Rxb8 58. Rh1+ gxh1=Q 59. Rxh1+ Kg3 60.
Rxh6 Bf5 61. Rh5 Kf4 62. Rh4+ Kg5 63. Rh1 Rc8 64. Rg1+ Kf4 65. Rf1+ Ke4 66. d5
Rd8 67. Kc2 Rxd5 68. Re1+ Kd4+ 69. Kb2 Re5 70. Rf1 Re2+ 71. Ka1 Bc2 72. Rf3 Re3
73. Rf8 Bxb3 74. Kb2 Bd5 75. Rf4+ Re4 76. Rf2 Bc4 77. Rd2+ Kc5 78. Rd8 Re2+ 79.
Ka1 b3 0-1

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.27"]
[Round "9.1"]
[White "Gabuzyan, Hovhannes"]
[Black "Fridman, Daniel"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2619"]
[BlackElo "2644"]
[ECO "D45"]
[Opening "QGD semi-Slav"]
[Variation "accelerated Meran (Alekhine variation)"]
[WhiteFideId "13303732"]
[BlackFideId "11600454"]
[EventDate "2019.06.18"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Nf3 c6 5. e3 a6 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 c5
9. a4 b4 10. Ne4 Nbd7 11. b3 cxd4 12. Nxd4 Bb7 13. Nxf6+ Qxf6 14. Bb2 Bxg2 15.
Rg1 Bb7 16. Qe2 Nc5 17. Bb5+ axb5 18. Qxb5+ Nd7 19. Qxb7 Rb8 20. Qc7 Qd8 21. Qc6
Rc8 22. Qb5 Rc5 23. Qb7 Rc7 24. Qb5 Rc5 25. Qa6 Ra5 26. Qe2 Rc5 27. Rd1 Qc8 28.
Nb5 Rc2 29. Rd2 Rxb2 30. Rxb2 Qc1+ 31. Qd1 Qxb2 32. Rg4 Bc5 33. Rc4 Qe5 34. Nd6+
Bxd6 35. Rc8+ Ke7 36. Rxh8 Qxh2 37. Qg4 Qh1+ 38. Ke2 Qd5 39. Qxg7 Qh5+ 40. Ke1
Qh1+ 41. Ke2 Qh5+ 42. Ke1 Be5 43. Rxh7 Qf5 44. Qh6 Qd3 45. Qh4+ Ke8 46. f4 Qxe3+
47. Kf1 Qf3+ 48. Kg1 Bd4+ 49. Kh2 Qe2+ 50. Kh3 Qf1+ 0-1

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.27"]
[Round "9.2"]
[White "Kovalenko, Igor"]
[Black "Sevian, Samuel"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2651"]
[BlackElo "2677"]
[ECO "D38"]
[Opening "QGD"]
[Variation "Ragozin variation"]
[WhiteFideId "14117908"]
[BlackFideId "2040506"]
[EventDate "2019.06.18"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 O-O 7. e3 Bf5 8. Be2
Nbd7 9. O-O c6 10. Qb3 Qa5 11. Nd2 c5 12. a3 Bxc3 13. bxc3 Rac8 14. Ra2 Be6 15.
Rd1 b6 16. a4 h6 17. Bf4 Rfd8 18. f3 cxd4 19. cxd4 Qc3 20. Ba6 Qxb3 21. Nxb3 Rc3
22. Nc1 Bf5 23. Ne2 Rb3 24. g4 Bb1 25. Ra1 Bh7 26. h4 Nf8 27. Nc1 Rc3 28. Kf2
Ne6 29. Bg3 h5 30. g5 Ne8 31. Ne2 Rc2 32. Rdc1 Nd6 33. Rxc2 Bxc2 34. Nc3 Nf5 35.
Ra3 Nxg3 36. Kxg3 Nc7 37. Bb7 a5 38. Ne2 Ne6 39. Bc6 Kf8 40. Nf4 Nxf4 41. Kxf4
Ke7 42. Rc3 Rc8 43. Rxc2 Kd6 44. e4 Rxc6 45. e5+ Kd7 46. Rxc6 Kxc6 47. g6 fxg6
48. Kg5 Kd7 49. Kxg6 Ke7 50. Kxg7 b5 51. axb5 a4 52. b6 a3 53. b7 a2 54. b8=Q
a1=Q 55. Qd6+ Ke8 56. Qe6+ Kd8 57. Qxd5+ Ke7 58. e6 Qg1+ 59. Kh6 Kf6 60. Qe5+ 1-0

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.27"]
[Round "9.3"]
[White "Ganguly, Surya Shekhar"]
[Black "Oparin, Grigoriy"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2642"]
[BlackElo "2644"]
[ECO "C55"]
[Opening "Two knights defence (Modern bishop's opening)"]
[WhiteFideId "5002150"]
[BlackFideId "24125890"]
[EventDate "2019.06.18"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. a4 d6 7. a5 a6 8. Re1 Be6
9. Nbd2 Nd7 10. c3 Bg5 11. Bxe6 fxe6 12. Nc4 Bf4 13. d4 Qf6 14. Bxf4 Qxf4 15.
Qe2 Rae8 16. Rad1 exd4 17. Nxd4 Nce5 18. f3 g5 19. Rf1 Qf6 20. Kh1 Re7 21. Ne3
Qg6 22. b4 Ref7 23. Qa2 Rf6 24. Kg1 Kh8 25. h3 h5 26. Qf2 R8f7 27. Qg3 Qh6 28.
c4 Ng6 29. c5 Nde5 30. cxd6 cxd6 31. Rc1 Nf4 32. Kh1 g4 33. fxg4 hxg4 34. Ndf5
exf5 35. Rxf4 fxe4 36. Rc8+ Kh7 37. Rxe4 Rf1+ 38. Kh2 R1f4 39. Rxf4 Qxf4 40.
Qxf4 Rxf4 41. Rc7+ Kg6 42. Rxb7 gxh3 43. Kxh3 Rd4 44. g3 Nc6 45. b5 axb5 46.
Rxb5 Ra4 47. Rb6 Nxa5 48. Rxd6+ Kf7 49. Nf5 Nb7 50. Rd5 Ra5 51. Rd7+ Ke6 52.
Rxb7 Kxf5 1/2-1/2

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.28"]
[Round "10.1"]
[White "Fridman, Daniel"]
[Black "Ganguly, Surya Shekhar"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2644"]
[BlackElo "2642"]
[ECO "E06"]
[Opening "Catalan"]
[Variation "closed, 5.Nf3"]
[WhiteFideId "11600454"]
[BlackFideId "5002150"]
[EventDate "2019.06.18"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 Be7 5. Bg2 O-O 6. Nc3 dxc4 7. Ne5 Qd6 8. Nxc4
Qa6 9. Qb3 Nc6 10. e3 Rb8 11. Qb5 Qxb5 12. Nxb5 a6 13. Nc3 b5 14. Nd2 Bb7 15.
O-O Nb4 16. Nb3 Bxg2 17. Kxg2 c5 18. Nxc5 Bxc5 19. dxc5 Nd3 20. Rb1 Nxc5 21. Rd1
Rfd8 22. Bd2 Rd7 23. Be1 Nd3 24. Ne2 e5 25. Kf1 Rc8 26. Nc1 Nxb2 27. Rxd7 Nxd7
28. Rxb2 Rxc1 29. Rd2 Rc7 30. Rd6 Ra7 31. Ba5 f5 32. Bb6 Rb7 33. Ba5 Nb8 34. a3
Kf7 35. Ke2 e4 36. h3 h5 37. f3 exf3+ 38. Kxf3 Re7 39. Kf4 g6 40. Kg5 Rxe3 41.
Rf6+ Ke8 42. Bb4 Nd7 43. Rxg6 a5 44. Bd6 Kf7 45. Rh6 Rf3 46. Bf4 b4 47. axb4
axb4 48. Rh7+ Ke6 49. Rh6+ Kf7 50. Rh7+ 1/2-1/2

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.28"]
[Round "10.2"]
[White "Oparin, Grigoriy"]
[Black "Kovalenko, Igor"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2644"]
[BlackElo "2651"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack (Barcza system)"]
[WhiteFideId "24125890"]
[BlackFideId "14117908"]
[EventDate "2019.06.18"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. O-O Nd7 5. d3 e6 6. c4 Bc5 7. cxd5 cxd5 8. Nc3
Ne7 9. Qa4 Bxf3 10. Bxf3 Nc6 11. Bd2 O-O 12. Bg2 a6 13. Rfc1 Qe7 14. Rab1 Rfc8
15. Qd1 Nde5 16. Be1 Ba7 17. b4 h5 18. b5 axb5 19. Nxb5 h4 20. d4 Nd7 21. e3
hxg3 22. hxg3 Bb6 23. a4 Ba5 24. Nc3 Nf6 25. Qb3 b6 26. Qd1 Qd8 27. Bf1 Ne7 28.
Bd3 g6 29. Kg2 Kg7 30. Bd2 Nf5 31. Ne2 Bxd2 32. Rxc8 Qxc8 33. Qxd2 Ng4 34. Bxf5
exf5 35. f3 Qc2 36. Qxc2 Nxe3+ 37. Kf2 Nxc2 38. Rb2 Na3 39. Nc3 Rh8 40. Rb3 Nc2
41. Nxd5 Nxd4 42. Rd3 Ne6 43. Nxb6 Rh2+ 44. Ke3 Ra2 45. Rc3 1/2-1/2

[Event "St Louis Summer B"]
[Site "Saint Louis USA"]
[Date "2019.06.28"]
[Round "10.3"]
[White "Sevian, Samuel"]
[Black "Gabuzyan, Hovhannes"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2677"]
[BlackElo "2619"]
[ECO "B96"]
[Opening "Sicilian"]
[Variation "Najdorf, 7.f4"]
[WhiteFideId "2040506"]
[BlackFideId "13303732"]
[EventDate "2019.06.18"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qc7 8. Bxf6
gxf6 9. Qf3 Nc6 10. O-O-O Nxd4 11. Rxd4 b5 12. Be2 Bb7 13. f5 Qc5 14. Rhd1 e5
15. R4d3 Rc8 16. a3 h5 17. Kb1 h4 18. Bf1 Be7 19. Qe2 Kd7 20. Rh3 Bd8 21. Nd5
Qa7 22. Qd2 Ke8 23. Qe1 Rc5 24. Nc3 Ke7 25. Rxh4 Rxh4 26. Qxh4 Ba5 27. Na2 Rc8
28. c3 Qe3 29. Bd3 Rg8 30. g3 Qf3 31. Bc2 Rg4 32. Qh6 Rxe4 33. Nc1 Rc4 34. Nb3
Bb6 35. Qd2 d5 36. Re1 Qg4 37. Qh6 Bf2 38. Rf1 Qe2 39. Qh3 d4 40. Na5 Bd5 41. g4
Be3 42. Bd1 Qd2 43. Nb3 Be4+ 44. Ka2 Qd3 45. Bf3 Rxc3 46. Bxe4 Qxe4 47. g5 Qc2
48. gxf6+ Kd7 49. Na1 Rxa3+ 50. Kxa3 Qa4# 0-1

