[Event "Chess.com RCC Wk15 KO"] [Site "chess.com INT"] [Date "2022.05.22"] [Round "1.1"] [White "Andreikin, D"] [Black "Xiong, Jeffery"] [Result "1-0"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2729"] [BlackElo "2688"] [ECO "A34"] [Opening "English"] [Variation "symmetrical, three knights system"] [EventDate "2022.05.22"] [WhiteFideId "4158814"] [BlackFideId "2047640"] 1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. Bf4 Bg7 8. e3 Qa5 9. Qd2 O-O 10. Be2 Bf5 11. O-O Nc6 12. Qb2 cxd4 13. exd4 e5 14. dxe5 Nxe5 15. Rad1 Be4 16. Nd4 Rad8 17. Rfe1 Bd5 18. Nb3 Qb6 19. Bg5 Bf6 20. Be3 Qc7 21. Bd4 Rfe8 22. Bf1 Ng4 23. g3 Ne5 24. Nd2 b6 25. Re3 Re6 26. Rde1 Rde8 27. c4 Ba8 28. Qc3 Qc6 29. f3 Nxf3+ 30. Nxf3 Bxd4 31. Qxd4 Rxe3 32. Rxe3 Rxe3 33. Qxe3 Qxf3 34. Qxf3 Bxf3 35. Kf2 Bc6 36. Ke3 Kf8 37. Kd4 Ke7 38. c5 b5 39. a3 a5 40. h4 Ke6 41. Bd3 f5 42. Bb1 Bd5 43. h5 b4 44. axb4 axb4 45. h6 b3 46. Bd3 g5 47. g4 Be4 48. Bc4+ Kd7 49. Bxb3 Bb1 50. Bd1 f4 51. Bf3 Ke6 52. Bd5+ Kf6 53. c6 Ke7 54. Ke5 Bd3 55. Bf3 Bg6 56. Be2 Bc2 57. Ba6 Ba4 58. c7 Bd7 59. c8=Q Bxc8 60. Bxc8 f3 61. Ba6 f2 62. Bd3 1-0

[Event "Chess.com RCC Wk15 KO"] [Site "chess.com INT"] [Date "2022.05.22"] [Round "1.1"] [White "Martinez Alcantara, Jose Eduardo"] [Black "Grischuk, A"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2591"] [BlackElo "2742"] [ECO "C19"] [Opening "French"] [Variation "Winawer, advance, 6...Ne7"] [EventDate "2022.05.22"] [WhiteFideId "3805662"] [BlackFideId "4126025"] 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. h4 Qc7 8. h5 h6 9. Rh3 b6 10. a4 Ba6 11. Bb5+ Bxb5 12. axb5 a5 13. bxa6 Rxa6 14. Rxa6 Nxa6 15. Ne2 Nb8 16. Rf3 Nd7 17. Qd3 Qc6 18. Rg3 Nf5 19. Rg4 Qa4 20. f3 Qa1 21. Qd2 f6 22. Ng3 Nxg3 23. Rxg3 Kf7 24. f4 f5 25. c4 Qxd4 26. Qxd4 cxd4 27. cxd5 exd5 28. Rg6 Nc5 29. Rxb6 Rc8 30. Ba3 Ne6 31. g3 Rxc2 32. Rb7+ Rc7 33. Rb5 Rc3 34. Rb7+ Kg8 35. Rb6 Rxa3 36. Rxe6 Rxg3 37. Kf2 Re3 38. Rd6 Re4 39. Kf3 Re3+ 40. Kf2 Re4 41. Kf3 Re3+ 42. Kf2 1/2-1/2

[Event "Chess.com RCC Wk15 KO"] [Site "chess.com INT"] [Date "2022.05.22"] [Round "1.2"] [White "Grischuk, A"] [Black "Martinez Alcantara, Jose Eduardo"] [Result "0-1"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2742"] [BlackElo "2591"] [ECO "E11"] [Opening "Bogo-Indian defence, Nimzovich variation"] [EventDate "2022.05.22"] [WhiteFideId "4126025"] [BlackFideId "3805662"] 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Bxd2+ 6. Qxd2 Nc6 7. b3 a5 8. Nc3 d5 9. Bg2 O-O 10. O-O Rd8 11. Rfd1 Bd7 12. e3 Be8 13. Qb2 h6 14. Rac1 Nb4 15. a3 Na6 16. Ne5 Rac8 17. c5 Nd7 18. Nxd7 Bxd7 19. b4 axb4 20. axb4 c6 21. e4 Nc7 22. h4 Ra8 23. Re1 Qf6 24. Rcd1 Be8 25. Re3 Rab8 26. e5 Qe7 27. Bf1 b6 28. Qd2 bxc5 29. bxc5 f5 30. exf6 Qxf6 31. Rde1 Rb4 32. Re5 Rdb8 33. Bd3 Rb2 34. Qe3 R8b3 35. Ne2 Bg6 36. Nf4 Bxd3 37. Nxd3 Rxd3 0-1

[Event "Chess.com RCC Wk15 KO"] [Site "chess.com INT"] [Date "2022.05.22"] [Round "1.1"] [White "Paravyan, D"] [Black "Kobo, Ori"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2617"] [BlackElo "2534"] [ECO "B60"] [Opening "Sicilian"] [Variation "Richter-Rauzer, Bondarevsky variation"] [EventDate "2022.05.22"] [WhiteFideId "4194985"] [BlackFideId "2812320"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 g6 7. Bxf6 exf6 8. Bb5 Bd7 9. Nde2 Be6 10. Nd4 Bd7 11. Nde2 Be6 12. Nd4 Bd7 1/2-1/2

[Event "Chess.com RCC Wk15 KO"] [Site "chess.com INT"] [Date "2022.05.22"] [Round "1.2"] [White "Kobo, Ori"] [Black "Paravyan, D"] [Result "0-1"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2534"] [BlackElo "2617"] [ECO "D85"] [Opening "Gruenfeld"] [Variation "modern exchange variation"] [EventDate "2022.05.22"] [WhiteFideId "2812320"] [BlackFideId "4194985"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Bb5+ Bd7 9. Be2 O-O 10. O-O Bg4 11. Rb1 cxd4 12. cxd4 Bxf3 13. Bxf3 Bxd4 14. Rxb7 Nc6 15. Ba3 Qc8 16. Rb3 Rd8 17. Qc1 Qa6 18. e5 Rac8 19. Bxc6 Rxc6 20. Qh6 Bxf2+ 21. Kxf2 Rc2+ 22. Kg1 Qxf1+ 23. Kxf1 Rd1# 0-1

[Event "Chess.com RCC Wk15 KO"] [Site "chess.com INT"] [Date "2022.05.22"] [Round "1.1"] [White "Nakamura, Hikaru"] [Black "Xu, Yi"] [Result "1-0"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2766"] [BlackElo "2507"] [ECO "A05"] [Opening "Reti opening"] [EventDate "2022.05.22"] [WhiteFideId "2016192"] [BlackFideId "8605564"] 1. Nf3 Nf6 2. b3 d5 3. Bb2 e6 4. c4 b6 5. g3 Bb7 6. Bg2 Bd6 7. O-O O-O 8. cxd5 exd5 9. d4 Nbd7 10. Ne5 Re8 11. Nxd7 Qxd7 12. Nc3 Ne4 13. Nxe4 dxe4 14. Qc2 Bd5 15. e3 h5 16. Qe2 Qf5 17. f4 exf3 18. Bxf3 h4 19. e4 Qg6 20. e5 Bxf3 21. Rxf3 c5 22. Qc4 Bc7 23. Raf1 Re7 24. dxc5 bxc5 25. Qxh4 Rae8 26. Qc4 a5 27. Rf4 Qe6 28. Qxe6 Rxe6 29. Rxf7 Bxe5 30. Bxe5 Rxe5 31. Ra7 c4 32. bxc4 Rc8 33. Rff7 Rxc4 34. Rxg7+ Kh8 35. Rgd7 Rc8 36. Rd2 Kg8 37. Kg2 Rec5 38. a4 Re5 39. h4 Rb8 40. Kh3 Rf8 41. Rdd7 Rb8 42. Rd3 Kh8 43. g4 Rf8 44. h5 Rg8 45. Rdd7 Rb8 46. Kh4 Rc5 47. h6 Rc6 48. Rh7+ Kg8 49. Rag7+ 1-0

[Event "Chess.com RCC Wk15 KO"] [Site "chess.com INT"] [Date "2022.05.22"] [Round "2.1"] [White "Andreikin, D"] [Black "Martinez Alcantara, Jose Eduardo"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2729"] [BlackElo "2591"] [ECO "A34"] [Opening "English"] [Variation "symmetrical, three knights system"] [EventDate "2022.05.22"] [WhiteFideId "4158814"] [BlackFideId "3805662"] 1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7 7. a3 e5 8. b4 f6 9. bxc5 Bxc5 10. O-O O-O 11. d3 Be6 12. Ne4 Bb6 13. a4 a5 14. Nfd2 Bd4 15. Rb1 f5 16. e3 Ba7 17. Ba3 Nb4 18. Bxb4 axb4 19. Rxb4 fxe4 20. Bxe4 Nd5 21. Qh5 g6 22. Bxg6 Qe7 23. Rh4 Nf6 24. Bxh7+ Qxh7 25. Qxe5 Qf5 26. Qb2 Qxd3 27. Ne4 Qxe4 28. Rxe4 Nxe4 29. Qxb7 Nxf2 30. Qe7 Nh3+ 31. Kg2 Rfe8 32. Qf6 Bxe3 33. Qg6+ Kh8 34. Qh5+ Kg7 35. Qe5+ Kg8 36. Rf6 Nf4+ 37. gxf4 Bh3+ 38. Kxh3 Rxe5 39. fxe5 Rxa4 40. e6 Re4 41. Kg3 Bd4 42. Kf3 Re1 43. Rg6+ Kf8 44. h4 Ke7 45. h5 Bf6 46. h6 Rh1 47. Rg4 Kxe6 48. Re4+ Kf7 49. Ra4 Kg6 50. Ra6 Rxh6 51. Ke4 Rh4+ 52. Kd3 Kf5 53. Ra5+ Be5 54. Ra8 Rd4+ 55. Ke3 Rd7 56. Rf8+ Bf6 57. Re8 Rc7 58. Kd3 Rc3+ 59. Kd2 Ra3 60. Ke2 Be5 61. Kd2 Ke4 62. Ke2 Ra2+ 63. Ke1 Kd4 64. Kf1 Bf4 65. Re2 Ra3 66. Re8 Be3 67. Ke2 Ra2+ 68. Kf3 Rf2+ 69. Kg4 Rf7 70. Ra8 Kd3 71. Ra2 Ke4 72. Ra4+ Bd4 73. Kh4 Rg7 74. Rb4 Rg1 75. Ra4 Ke5 76. Kh3 Rg8 77. Rb4 Ke4 78. Kh4 Ke3 79. Kh5 Be5 80. Rg4 Rf8 81. Ra4 Bd4 82. Kg4 Ke4 83. Kh4 Rf1 84. Rb4 Rd1 85. Kg5 Rd2 86. Ra4 Rd1 87. Kg4 Rg1+ 88. Kh4 Rg7 89. Rb4 Ke5 90. Kh3 Rg8 91. Ra4 Be3 92. Rg4 Rh8+ 93. Rh4 Rf8 94. Ra4 Rf1 95. Kg2 Rf7 96. Kg3 Bd4 97. Kg4 Rf4+ 98. Kh3 Ke4 99. Ra3 Be3 100. Kg3 Rf8 1/2-1/2

[Event "Chess.com RCC Wk15 KO"] [Site "chess.com INT"] [Date "2022.05.22"] [Round "2.2"] [White "Martinez Alcantara, Jose Eduardo"] [Black "Andreikin, D"] [Result "0-1"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2591"] [BlackElo "2729"] [ECO "B40"] [Opening "Sicilian defence"] [EventDate "2022.05.22"] [WhiteFideId "3805662"] [BlackFideId "4158814"] 1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Be3 Nbd7 7. c4 Qd6 8. Nc3 cxd4 9. Nxd4 a6 10. Be2 Be7 11. O-O O-O 12. a3 Qc7 13. Rc1 Rd8 14. b4 b6 15. Qb3 Bb7 16. Rfd1 Rac8 17. h3 Qb8 18. c5 bxc5 19. Nxe6 c4 20. Bxc4 fxe6 21. Bxe6+ Kh8 22. Rd4 Qe5 23. Ne2 Rxc1+ 24. Nxc1 Nf8 25. Rxd8 Bxd8 26. Bc4 Bc7 27. Kf1 Ng6 28. Ne2 Nh4 29. f3 Qh2 0-1

[Event "Chess.com RCC Wk15 KO"] [Site "chess.com INT"] [Date "2022.05.22"] [Round "2.1"] [White "Paravyan, D"] [Black "Nakamura, Hikaru"] [Result "0-1"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2617"] [BlackElo "2766"] [ECO "B12"] [Opening "Caro-Kann"] [Variation "advance variation"] [EventDate "2022.05.22"] [WhiteFideId "4194985"] [BlackFideId "2016192"] 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. O-O Ne7 7. a4 c5 8. c4 dxc4 9. Bxc4 Bg4 10. dxc5 Nc6 11. Bb5 Bxc5 12. Bf4 Nd4 13. Nbd2 Nxb5 14. axb5 O-O 15. Ne4 Be7 16. Qe2 Nb6 17. Ng3 Qd5 18. Rfd1 Bxf3 19. gxf3 Qb3 20. Ne4 Nd5 21. Bg3 Rfc8 22. Rd2 Qc4 23. Qxc4 Rxc4 24. Nc3 Nb6 25. Kg2 h5 26. h3 Bb4 27. Rd3 h4 28. Bh2 Kh7 29. Na4 Nd5 30. Rxd5 exd5 31. Nb6 axb6 32. Rxa8 Bc5 33. Rd8 Rc2 34. Bg1 Rxb2 35. Rxd5 Rxb5 36. Rd7 Kg6 37. Rxb7 Rb4 38. Bh2 Rb2 39. Bg1 b5 40. f4 b4 41. Kf3 b3 42. Ke4 f5+ 43. exf6 Kxf6 44. Rb5 Rb1 45. Bh2 b2 46. Kf3 Bd4 47. Ke4 Rd1 48. f5 Bc3 49. Rb6+ Kf7 50. Rb7+ Kg8 0-1

[Event "Chess.com RCC Wk15 KO"] [Site "chess.com INT"] [Date "2022.05.22"] [Round "3.1"] [White "Andreikin, D"] [Black "Nakamura, Hikaru"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2729"] [BlackElo "2766"] [ECO "E06"] [Opening "Catalan"] [Variation "closed, 5.Nf3"] [EventDate "2022.05.22"] [WhiteFideId "4158814"] [BlackFideId "2016192"] 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 b5 8. a4 Bb7 9. axb5 a6 10. bxa6 Nxa6 11. Qxc4 Bd5 12. Qc3 c5 13. Be3 Ne4 14. Qe1 Nb4 15. Rxa8 Qxa8 16. Nc3 Nxc3 17. bxc3 Nc2 18. Qd2 Nxe3 19. Qxe3 cxd4 20. cxd4 Bf6 21. Qf4 Qb8 22. Qxb8 Rxb8 23. e3 Bxf3 24. Bxf3 g6 25. Rc1 Re8 26. Rc7 Re7 27. Rc6 Kg7 28. Kg2 Rd7 29. Bg4 Ra7 30. h4 h5 31. Be2 Bd8 32. Kf3 Rc7 33. Ra6 Bf6 34. Bd3 Be7 35. Be4 Rd7 36. Bc6 Rd6 37. Ra7 Kf8 38. Rc7 Rd8 39. Ke4 Bd6 40. Ra7 Rc8 41. Ba4 Rc7 42. Ra8+ Kg7 43. Kd3 Bb4 44. Ke2 Rc3 45. Rb8 Bd6 46. Rb6 Bc7 47. Rb7 Ba5 48. Ra7 Bb6 49. Rb7 Ba5 50. Rb5 Bd8 51. Bb3 Rc7 52. e4 Rd7 53. Ke3 Rd6 54. e5 Rb6 55. Rxb6 Bxb6 56. f3 Ba5 57. f4 Be1 58. Kf3 Bc3 59. Ke4 Be1 60. Kf3 Bc3 61. d5 exd5 62. Bxd5 Be1 63. Bc4 Bd2 64. Bd3 Be1 65. Bf1 f6 66. Bd3 fxe5 67. fxe5 Bc3 68. Kf4 Bd2+ 69. Ke4 Be1 70. Kf3 Bc3 71. e6 Kf6 72. e7 Kxe7 73. Bxg6 Be5 74. Bxh5 Bxg3 75. Kxg3 Kf6 76. Kg4 Kg7 77. Kg5 Kh8 78. Kh6 Kg8 79. Bg6 Kh8 80. Bh7 1/2-1/2

[Event "Chess.com RCC Wk15 KO"] [Site "chess.com INT"] [Date "2022.05.22"] [Round "3.2"] [White "Nakamura, Hikaru"] [Black "Andreikin, D"] [Result "1-0"] [WhiteTitle "GM"] [BlackTitle "GM"] [WhiteElo "2766"] [BlackElo "2729"] [ECO "C42"] [Opening "Petrov's defence"] [EventDate "2022.05.22"] [WhiteFideId "2016192"] [BlackFideId "4158814"] 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nd3 Nxe4 5. Qe2 Qe7 6. Nf4 Nc6 7. Nd5 Nd4 8. Nxe7 Nxe2 9. Nd5 Nd4 10. d3 Nf6 11. Nxf6+ gxf6 12. Kd1 Bg4+ 13. f3 Be6 14. Nc3 f5 15. Ne2 Bg7 16. Nf4 Rg8 17. c3 Nc6 18. d4 Ne7 19. Bd3 Kd7 20. Ke2 c6 21. Kf2 a5 22. a4 Bf6 23. Bd2 Bg5 24. Be3 Bxf4 25. Bxf4 Nd5 26. Bd2 Rgb8 27. c4 Nb4 28. Bxb4 axb4 29. d5 cxd5 30. cxd5 Bxd5 31. Bxf5+ Be6 32. Bxh7 f5 33. h4 Rc8 34. g4 fxg4 35. fxg4 Bxg4 36. h5 Ra5 37. Bg6 Rf8+ 38. Kg3 Bf3 39. Rh4 Rg5+ 40. Kh2 Bc6 41. Rxb4 Rf2+ 42. Kh3 Rfg2 43. Rb3 Bd5 44. Re3 Be6+ 45. Rxe6 Kxe6 46. Re1+ Kf6 47. Rf1+ Ke5 48. Re1+ Kf4 49. Rf1+ Ke3 50. Rf6 d5 51. Be8 Rxb2 52. h6 Rg1 53. Bf7 d4 54. Bd5 Rg5 55. Bf3 Rf2 56. h7 Rxf3+ 57. Rxf3+ Kxf3 58. h8=Q Rg3+ 59. Kh4 Rg4+ 60. Kh5 Re4 61. Kg5 d3 62. Qh1+ Ke3 63. Qe1+ Kd4 64. Qd2 Re2 65. Qb4+ Ke3 66. Qf4# 1-0