Шахматы. Кубок наций 2020 (день 1). Не лучший старт российской сборной

Сборная России представлена на Кубке наций следующим составом:

При отсутствии Алексанра Грищука, состав вряд ли можно назвать оптимальным. В последний момент Грищук был заменен Артемьевым.

В турнире принимают участие шесть сборных: России, США, Китая, Индии, Европы и сборная остального мира.

Против сборной Европы российская команда сыграла с приемлемым результатом (2:2), а вот против американцев результат не радует (1:3).

Кубок наций 2020. Первый день, первый тур

Кубок наций 2020. Первый день, тур 1

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[Event "FIDE Chesscom Online Nations Cup"] [White "Vachier-Lagrave, Maxime"] [Black "Nepomniachtchi, Ian"] [Site "Online"] [Round "1"] [Annotator "TA"] [Result "1/2-1/2"] [Date "2020.05.05"] [WhiteElo "2860"] [BlackElo "2778"] [PlyCount "98"]  1. e4 {} c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 Nbd7 {B90:  Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 7. 0-0 g6 8. f4 Bg7 9. Nf3 0-0 10. Kh1 Nc5 11. Be3 Nxd3 12. cxd3 b5 {[#]} 13. Qd2 $146 ({  Predecessor:} 13. Qe1 Bd7 14. Qh4 b4 15. Nd1 Rc8 16. f5 e6 17. Bg5 exf5 18. exf5 h6 19. Bxh6 Bxh6 20. Qxh6 {0-1 (45) Samsonkin,A (2428)-Petrosian,T (2601)  Moscow 2019} )Bg4 14. Nd4 Qd7 15. f5 e5 16. Nc2 d5 {Hoping for ...d4.} 17. Bg5 {Bxf6 is the strong threat.} d4 18. Ne2 h6 19. Bxf6 Bxf6 20. Ng3 Bg5 21. Qe1 Bh4 (21... Qd8 $11 )22. h3 $14 Rac8 {[#]} 23. Nb4 $1 gxf5 {aiming for .  ..f4.} 24. exf5 (24. hxg4 $16 f4 25. Nh5 Qxg4 26. Qd1 Qxd1 27. Raxd1 )a5 (24... f6 $1 $11 25. hxg4 a5 )25. hxg4 ({White should play} 25. Qxe5 $16 {  Strongly threatening Rf4!} Rce8 26. Qf4 { Double Attack, Pin} Bxg3 27. Qxg4+ Kh7 28. Qxg3 axb4 29. Rae1 )axb4 (25... f6 $11 {remains equal.} )26. Ne4 Bxe1 27. Nf6+ { Double Attack} Kg7 28. Nxd7 Rfd8 {White must  now prevent ...Bg3.} 29. f6+ ({Don't play} 29. Nxe5 $6 Bg3 $11 )Kh7 30. Raxe1 ({Much worse is} 30. Nxe5 Bg3 $11 )Rxd7 31. Rxe5 $16 {  Endgame KRR-KRR} Rc2 32. Re7 ({Much weaker is} 32. Rxb5 $6 Rxb2 33. Rf4 Kg6 $11 )Rdc7 {[#]} 33. Rf4 (33. Rf5 $1 $16 )Kg6 $11 {The position is  equal.} 34. Rxc7 Rxc7 35. Rxd4 {KR-KR} b3 36. axb3 Rc2 37. Rb4 Rxb2 38. Kh2 Rd2 39. d4 Rd3 40. Kg1 Rd2 41. Kh2 Rd3 42. Rxb5 Rxd4 43. Kh3 Kxf6 44. b4 {} Kg6 45. Rb8 Rd3+ 46. Kh2 Rb3 47. b5 Kg5 48. b6 Kxg4 49. b7 {And now Rg8+ would win.} Kf5 {Accuracy: White = 82%, Black =  79%.} 1/2-1/2  [Event "FIDE Chesscom Online Nations Cup"] [White "Duda, Jan-Krzysztof"] [Black "Andreikin, Dmitry"] [Site "Online"] [Round "1"] [Annotator "TA"] [Result "1-0"] [Date "2020.05.05"] [WhiteElo "2774"] [BlackElo "2740"] [PlyCount "77"]  1. e4 {} c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 Qc7 7. Qe2 d6 8. c4 g6 9. Nc3 Bg7 10. Be3 0-0 11. Rac1 Nbd7 12. b3 {B42: Sicilian: Kan Variation: 5 Bd3.} b6 13. Rfd1 Bb7 14. f3 {White is slightly better.} Rac8 15. Qf2 Qb8 16. Bf1 Rfd8 17. Kh1 {[#]} h5 $146 ({Predecessor:} 17... Ba8 18. Rc2 Re8 19. Qd2 {  1/2-1/2 (19) Malinovsky,K (2309)-Pisk,P (2319) Olomouc 2005} )18. h3 Ba8 19. b4 Ne5 20. Na4 Ned7 {[#]} (20... b5 $14 21. cxb5 d5 )21. Nb3 $1 $16 b5 (21... Rc6 $16 )22. Nb6 Nxb6 23. Bxb6 bxc4 24. Bxc4 Re8 (24... Rf8 $16 )25. Bxa6 $18 Rxc1 26. Rxc1 d5 {[#]} 27. b5 $1 { aiming for Bc7.} Qd6 28. Bc5 Qd8 29. b6 Qb8 30. e5 Nd7 31. f4 g5 (31... d4 {is a better defense.} 32. Bxd4 Nxb6 33. Bxb6 Bxg2+ 34. Kh2 Bd5 )32. Bd4 gxf4 33. Bb5 Nxe5 34. Bxe5 Bxe5 35. Bxe8 Qxe8 36. Qe2 Qb8 37. Nc5 {Nd7 is the strong threat.} Bd6 {[#]} 38. Nxe6 $1 {} Qxb6 (38... fxe6 39. Qxe6+ )39. Rc8+ {  Double Attack. Accuracy: White = 84%, Black = 42%.} 1-0  [Event "FIDE Chesscom Online Nations Cup"] [White "Caruana, Fabiano"] [Black "Vidit, Santosh Gujrathi"] [Site "Online"] [Round "1"] [Annotator "TA"] [Result "1-0"] [Date "2020.05.05"] [WhiteElo "2773"] [BlackElo "2636"] [PlyCount "237"]  1. e4 {} e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Ba4 0-0 6. 0-0 {C65: Ruy Lopez: Berlin  Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} d6 7. c3 Ne7 8. Re1 {The  position is equal.} Ng6 9. Nbd2 c6 10. Nf1 d5 11. exd5 Nxd5 12. Ng3 Re8 13. h3 {[#]} Bb6 $146 ({Predecessor:} 13... h6 14. Bb3 a5 15. d4 exd4 16. Rxe8+ Qxe8 17. Bxd5 cxd5 18. Nxd4 a4 19. Be3 Ne5 {1-0 (38) Shankland,S (2705)-Ding,L  (2811) chess.com INT 2019} )14. Bc2 h6 15. Bd2 Bc7 16. d4 exd4 17. Rxe8+ Qxe8 18. Nxd4 Bd7 19. Qf3 $36 { White has the initiative.} Qe5 20. Re1 Qd6 21. Kf1 Ne5 22. Qe2 Re8 23. Ndf5 Qf8 24. Qh5 Bxf5 (24... Nc4 $11 25. Bxh6 Rxe1+ 26. Kxe1 Qe8+ 27. Kf1 Bxg3 28. Nxg3 gxh6 29. Qxh6 Nce3+ 30. fxe3 Nxe3+ 31. Kg1 Nxc2 )25. Nxf5 $14 Ng6 26. Rxe8 Qxe8 27. g3 Nf6 28. Qf3 Qd8 29. Bc1 Qd5 30. Qxd5 Nxd5 31. Ke2 Kf8 32. h4 Ne5 33. Bb3 (33. Be4 {looks sharper.} Nf6 34. Bg2 h5 35. b3 g6 36. Ba3+ )Ne7 34. Nxe7 Kxe7 { Endgame KBB-KBN  } 35. h5 Nd7 36. Bd1 Nf6 37. Kd3 Bb6 38. f4 g6 39. hxg6 fxg6 40. Ke2 Nd5 41. Kf3 h5 42. Bd2 Kf6 43. c4 Ne7 44. Bc3+ Ke6 45. b4 Nf5 46. c5 Bc7 47. Bb3+ Ke7 48. Bc4 b6 49. a4 bxc5 50. bxc5 Ke8 51. a5 Bd8 52. Bd3 Be7 53. Bb4 Bf6 54. a6 {  aiming for Ba5.} Be7 55. g4 hxg4+ 56. Kxg4 Ne3+ 57. Kf3 Nd5 58. Bxg6+ Kf8 59. Ba3 Nc7 60. Bd3 Ne6 61. Bc4 Nxc5 62. Bc1 Nd7 63. Ke4 Bc5 64. Kf5 Ke7 65. Bb2 Be3 66. Be2 Nb6 67. Bf3 c5 68. Bf6+ Kf7 (68... Kd7 $16 {keeps fighting.} )69. Bh5+ $18 Kf8 70. Be5 c4 71. Ke4 Bc5 72. f5 ({White should play} 72. Be2 $18 )Nd7 $1 $11 73. Bc3 {[#] Threatens to win with Kd5.} Be7 74. Be2 Nc5+ 75. Ke5 Nxa6 76. Bxc4 Nc5 77. Bd2 Nd7+ 78. Ke6 Nc5+ 79. Kd5 Kg7 80. Be2 Kf6 81. Bg4 Nd7 82. Bc3+ Kg5 83. Bh3 {[#] Strongly threatening Ke6.} Bf6 84. Bd2+ Kh4 85. Bf1 {Black must now prevent Ke6.} Bg5 86. Bb4 Nf6+ 87. Ke6 Ne4 88. Bd3 Ng3 $2 {  White leaves nothing to chance now.} (88... Bd2 $14 89. Bxd2 (89. Bxe4 Bxb4 90. Bf3 Bc3 $11 )Nxd2 )89. f6 $18 Bxf6 90. Kxf6 Kg4 91. Ke5 Kf3 92. Ba6 (92. Bc5 $142 a5 93. Bb5 )Ne2 93. Bd2 Ng3 (93... Ng1 $142 94. Bg5 Kg4 )94. Bg5 Ne4 (94... Kf2 $142 95. Be7 Ne2 96. Bc5+ Kf3 97. Bxa7 Nc3 )95. Bb7 Kg4 96. Be3 Ng3 97. Bf2 (97. Ba6 $142 Kf3 98. Bxa7 )a5 (97... Nf5 $142 98. Bxa7 Ng3 )98. Bc6 a4 99. Bxa4 Kf3 100. Bd4 Kg4 101. Bd1+ Kg5 102. Be3+ Kg6 103. Bc2+ (103. Ke6 $142 Nh5 104. Bc2+ Kg7 105. Be4 Kf8 106. Bc5+ Kg7 107. Bd6 Kh6 108. Kf5 Ng7+ 109. Kg4 )Kf7 104. Bd1 Kg6 $1 105. Ke6 {White mates.} Nh5 106. Bc2+ Kg7 107. Ke7 Ng3 108. Bd3 Nh5 109. Bg5 Ng3 110. Ke6 Nh5 111. Kf5 Kf7 112. Bc4+ Kg7 113. Bh4 Kh6 114. Bf7 Ng7+ 115. Kg4 Kh7 116. Kg5 Kh8 117. Kg6 Ne6 118. Bf6+ Ng7 119. Bxg7# {Accuracy: White = 84%, Black = 79%.} 1-0  [Event "FIDE Chesscom Online Nations Cup"] [White "Artemiev, Vladislav"] [Black "Aronian, Levon"] [Site "Online"] [Round "1"] [Annotator "TA"] [Result "1-0"] [Date "2020.05.05"] [WhiteElo "2769"] [BlackElo "2778"] [PlyCount "95"]  1. d4 {  } Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 0-0 5. Nf3 c5 6. a3 {E11: Bogo-Indian.} Bxc3 7. Bxc3 Ne4 8. Rc1 {The position is equal.} b6 9. g3 Bb7 10. Bg2 Nxc3 11. Rxc3 cxd4 12. Qxd4 Nc6 {[#]} 13. Qd2 $146 ({Predecessor:} 13. Qf4 Qb8 14. Qe3 d6 15. 0-0 Rd8 16. Rd1 Qc7 17. Rcd3 Rd7 18. Qd2 Rad8 19. b4 {1-0 (31) Von  Herman,U (2395)-Janz,F (2337) Luebeck 2011} )Qe7 14. 0-0 Rfd8 15. e4 Rac8 16. Rd1 d6 17. b3 Ne5 18. Nd4 a6 19. Re3 Qc7 20. h3 h6 21. Qb2 Qc5 22. a4 Kf8 23. Kh2 a5 24. Qe2 Nc6 25. Red3 {And now Nb5 would win.} Nxd4 26. Rxd4 Rc7 27. Qd2 {} Rcd7 28. Rd3 Ke7 29. f4 Bc6 30. Rf1 g5 (30... Kf8 $14 )31. fxg5 $16 hxg5 $2 { [#] This move loses the game for Black.} (31... Qxg5 $16 32. Qf2 Rf8 )32. Rd5 $3 $18 { White is clearly winning.} Bxd5 33. Qxg5+ (33. cxd5 Rg8 $17 )Kf8 34. cxd5 ({Weaker is} 34. exd5 Re7 $18 )Re7 35. e5 Rc8 36. Rf4 dxe5 37. Rc4 {Black must now prevent d6.} exd5 38. Qh6+ Ke8 39. Rxc5 Rxc5 40. Qxb6 Rec7 {[#]} 41. Bxd5 $1 {} Rc2+ (41... Rxd5 42. Qxc7 )42. Bg2 e4 43. Qb5+ R7c6 44. h4 Kf8 45. Qb8+ Ke7 46. Kh3 f5 47. Qe5+ { Double Attack} Re6 48. Qxf5 {Accuracy: White = 98%,  Black = 70%.} 1-0  [Event "FIDE Chesscom Online Nations Cup"] [White "Anand, Viswanathan"] [Black "Nakamura, Hikaru"] [Site "Online"] [Round "1"] [Annotator "TA"] [Result "1/2-1/2"] [Date "2020.05.05"] [WhiteElo "2751"] [BlackElo "2829"] [PlyCount "82"]  1. d4 {  } Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 0-0 6. e3 Nbd7 7. a3 {7.Be2  is a critical line. D37: Queen's Gambit Declined: 5 Bf4.} c5 8. cxd5 Nxd5 9. Nxd5 exd5 10. dxc5 Nxc5 11. Be5 Bf5 {[#]} 12. Rc1 $5 $146 { An  interesting novelty.} ({Predecessor:} 12. Be2 Bf6 13. 0-0 Be4 14. Bxf6 Qxf6 15. Nd4 Ne6 16. Rc1 Nxd4 17. Qxd4 Qxd4 18. exd4 Rac8 {1/2-1/2 (18) So,W (2760)  -Nakamura,H (2741) Kolkata 2019} )Ne6 13. Bd3 Bxd3 14. Qxd3 Bf6 {next ...  Bxe5 is good for Black.} 15. 0-0 Bxe5 16. Nxe5 d4 17. Rfd1 Re8 18. exd4 Qxd4 {  Remove Defender} 19. Qxd4 Nxd4 20. Rxd4 {Threatens to win with Nc4.} Rxe5 $14 { Endgame KRR-KRR} 21. Rd7 Rb5 $1 22. Rc2 (22. Rcc7 {  is more complex.} Rxb2 23. g3 Rf8 24. Rxb7 Rxb7 25. Rxb7 Ra8 26. g4 )a5 23. g3 (23. Rcc7 $5 {} Rxb2 24. g3 $14 )g6 {[#]} (23... b6 $11 )24. Rcc7 $1 $16 Rf5 25. Rxb7 h5 26. h4 Rc8 {White should prevent ...Rc1+.} 27. Rd2 Kg7 28. Kg2 Rc1 29. a4 Rc4 {[#]} 30. b3 $1 {} Rc3 31. Re2 Rcf3 32. Ra2 Rc3 33. b4 axb4 34. Rxb4 Ra5 35. Rd2 Ra3 36. Rdd4 Ra7 37. Rf4 Kg8 38. Kf1 Ra2 39. Kg2 Ra3 40. Kf1 Ra2 41. Kg2 Ra3 {Accuracy: White = 90%, Black  = 94%.} 1/2-1/2  [Event "FIDE Chesscom Online Nations Cup"] [White "Wang, Hao"] [Black "Radjabov, Teimour"] [Site "Online"] [Round "1"] [Annotator "TA"] [Result "1/2-1/2"] [Date "2020.05.05"] [WhiteElo "2750"] [BlackElo "2758"] [PlyCount "73"]  1. d4 {} Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 d5 $1 { is more profitable than 6...b6 at the moment. Played by  Liren Ding in November 2019.} 7. Bg5 dxc4 {E36: Nimzo-Indian: Classical: 4...  d5 5 a3.} 8. Qxc4 h6 9. Bh4 b6 {White is slightly better.} 10. Rd1 Ba6 11. Qa4 Qd7 12. Qc2 Qc6 13. Qxc6 Nxc6 14. Bxf6 gxf6 {[#]} 15. e3 $146 ({Predecessor:} 15. Nf3 Rfd8 16. e3 Bxf1 17. Rxf1 Na5 18. Ke2 Rac8 19. b4 Nb7 20. Rb1 a5 21. b5 {1/2-1/2 (72) Morozevich,A (2675)-Navara,D (2737) Biel 2017} )Bxf1 16. Kxf1 Na5 17. Nf3 Rac8 18. Ke2 c5 19. dxc5 bxc5 20. Rd7 Nc4 21. Rc1 Nxb2 22. Rc2 Na4 23. Rxa7 Ra8 24. Rxa8 Rxa8 $11 { Endgame KRN-KRN} 25. Nd2 Nb6 26. Rb2 Ra6 27. Ne4 Nd5 28. Ra2 c4 {Threatening ...f5.} 29. Kd2 f5 30. Nc3 Nxc3 (30... Kf8 $11 )31. Kxc3 {KR-KR} Ra4 {[#]} 32. Kb2 (32. Kd4 $1 $16 )Kf8 33. Ra1 Ke7 34. Rd1 Ra6 35. Rd2 c3+ { [#] Decoy} 36. Kxc3 Rxa3+ 37. Kb2 {Accuracy: White = 81%, Black = 92%.} 1/2-1/2  [Event "FIDE Chesscom Online Nations Cup"] [White "Yu, Yangyi"] [Black "Amin, Bassem"] [Site "Online"] [Round "1"] [Annotator "TA"] [Result "1-0"] [Date "2020.05.05"] [WhiteElo "2738"] [BlackElo "2608"] [PlyCount "79"]  1. d4 {} Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. Be3 Ng4 8. Bg5 f6 9. Bh4 g5 10. Bg3 Nh6 11. dxe5 dxe5 12. 0-0 {  E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System  without 7...Nbd7.} g4 {[#]} 13. Ne1 $146 ({Predecessor:} 13. Nh4 Nc6 14. c5 Be6 15. Qa4 Qd4 16. Qb5 a6 17. Qxb7 Qxc5 18. Na4 Qd6 19. Rfc1 Nd4 20. Bf1 Rfc8 21. Kh1 Nf7 22. Rc5 Nd8 23. Qb4 Nc2 {0-1 (23) Gruenberg,H (2377)-Cuenca Jimenez,J  (2476) Germany 2014} )Qxd1 14. Rxd1 {White is slightly better.} c6 15. c5 Nf7 16. Bc4 (16. Nc2 $14 )Na6 $11 17. Na4 Rb8 $2 {[#] Loses the game.} (17... Nc7 $1 $11 )18. f4 $1 $18 {} gxf3 19. Nxf3 Bg4 20. h3 $36 {  Keeping Black busy.} Bxf3 21. Rxf3 {Hoping for Rd7.} Nc7 $2 (21... Rbd8 22. Rxd8 Rxd8 )22. Rd7 Nb5 23. Bxe5 fxe5 24. Rfxf7 Rxf7 25. Rxf7 ({Not} 25. Bxf7+ Kh8 $16 )Kh8 {[#]} 26. Bxb5 $1 cxb5 { Endgame  KRB-KRN} 27. Nc3 b4 28. Nd5 a5 29. Kh2 h6 30. h4 h5 31. b3 Kh7 32. Kh3 Rc8 33. Ne7 Rc7 $2 (33... Rf8 34. Rxf8 Bxf8 )34. g4 hxg4+ 35. Kxg4 Rd7 36. h5 Rd2 37. Nf5 Rg2+ {[#]} 38. Kf3 $1 {White mates.} Rxa2 39. Rxg7+ Kh8 40. h6 {Accuracy:  White = 83%, Black = 35%.} 1-0  [Event "FIDE Chesscom Online Nations Cup"] [White "Firouzja, Alireza"] [Black "Wei, Yi"] [Site "Online"] [Round "1"] [Annotator "TA"] [Result "1/2-1/2"] [Date "2020.05.05"] [WhiteElo "2703"] [BlackElo "2752"] [PlyCount "77"]  1. d4 {} Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 g6 8. Be2 {D43: Semi-Slav: 5 Bg5 h6.} Bg7 9. 0-0 0-0 10. Rc1 {White is slightly better. Recently 10.Ne5 got a lot of attention.} Nd7 11. cxd5 exd5 12. b4 a6 13. a4 {} Qd6 14. b5 axb5 15. axb5 {[#]} Re8 $146 ({Predecessor:} 15... Nb6 16. Qb3 Rb8 17. bxc6 bxc6 18. Na4 Nxa4 19. Qxa4 Bd7 20. Ne1 Ra8 21. Qc2 Ra3 {1/2-1/2 (45) Wojtaszek,R (2749)  -Vitiugov,N (2709) Shenzhen 2018} )16. Ra1 Rxa1 17. Qxa1 c5 18. Qa3 b6 19. Qa8 cxd4 20. Nxd4 Bxd4 21. exd4 Qb4 22. Nxd5 Qxd4 23. Bf3 Kg7 $1 24. Qc6 $36 {  White has some pressure.} Qc5 25. Rc1 Re6 26. Qc7 Qxc7 27. Nxc7 Re5 28. Bg4 {Threatening f4.} h5 (28... Kf8 $11 {remains equal.} )29. f4 $16 Re3 {  [#]} 30. Bf3 (30. Bh3 $1 $16 )Nc5 $11 31. Nd5 Rb3 32. Nxb6 Nd3 {  Double Attack} 33. Rd1 Bf5 34. Bc6 Nxf4 35. Na4 Rb4 36. Nc3 Rb3 37. Na4 $1 Rb4 38. Nc3 Rb3 39. Na4 $1 {Accuracy: White = 88%, Black = 94%.} 1/2-1/2  [Event "FIDE Chesscom Online Nations Cup"] [White "Harikrishna, Pentala"] [Black "Dominguez Perez, Leinier"] [Site "Online"] [Round "1"] [Annotator "TA"] [Result "1/2-1/2"] [Date "2020.05.05"] [WhiteElo "2690"] [BlackElo "2786"] [PlyCount "63"]  1. e4 {} e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 0-0 9. d4 Bf6 10. Re1 {The position is equal.} Re8 {C67: Ruy Lopez: Berlin Defence: 4  0-0 Nxe4.} 11. Bf4 Rxe1 12. Qxe1 Ne8 13. Nc3 Bxd4 14. Nd5 {[#] Threatens to  win with Qe4.} d6 15. Bg5 f6 16. Be3 Be5 {[#]} 17. Bc4 $146 {Black must now  prevent Nxc7+.} ({Predecessor:} 17. f4 Bxb2 18. Rb1 Ba3 19. Qa5 Bc5 20. Bxc5 dxc5 21. Qxc5 Qd6 22. Qxd6 cxd6 23. Ne7+ Kf7 24. Nxc8 Rxc8 25. Rxb7+ Rc7 26. Rb2 f5 27. Bd3 {1/2-1/2 (27) Andreikin,D (2733)-Jakovenko,D (2712) Poikovsky  2016} )Kh8 18. f4 Bxb2 19. Rb1 c6 20. Rxb2 {And now Nc3 would win.} cxd5 21. Bxd5 Nc7 22. Bxb7 Rb8 23. Qb1 Nd5 24. Bxa7 Nc3 $1 {} 25. Qe1 Rxb7 26. Rxb7 Bxb7 27. Qxc3 Qa8 28. Bd4 Qxa2 ({Of course not} 28... Bxg2 $6 {  [#]} 29. Bxf6 $1 {} gxf6 30. Qxf6+ Kg8 31. Qg5+ Kf8 32. Qxg2 $16 )29. Qb3 Qxb3 30. cxb3 Kg8 31. Kf2 Kf7 32. f5 {A rather calm draw. Accuracy: White  = 100%, Black = 100%.} 1/2-1/2  [Event "FIDE Chesscom Online Nations Cup"] [White "Muzychuk, Mariya"] [Black "Hou, Yifan"] [Site "Online"] [Round "1"] [Annotator "TA"] [Result "0-1"] [Date "2020.05.05"] [WhiteElo "2506"] [BlackElo "2621"] [PlyCount "128"]  1. e4 {} c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 e5 6. Nc3 Nc6 7. d3 g6 8. a3 {B52:  Sicilian: Moscow Variation with 3...Bd7.} Bg7 9. b4 {is now more promising  than 9.Rb1.} Nge7 10. Rb1 {The position is equal.} 0-0 11. 0-0 h6 12. Nd5 f5 {  [#]} 13. b5 $146 ({Predecessor:} 13. Be3 b6 14. bxc5 dxc5 15. a4 g5 16. Ne1 Na5 17. Bd2 Nec6 18. exf5 Rxf5 19. Nc2 {1/2-1/2 (30) Mihalik,A (2206)-Farkas,T  (2317) Budapest 2019} )Nd8 14. Nh4 Nxd5 15. cxd5 Kh7 16. exf5 g5 17. Nf3 Qxf5 18. Qb3 Nf7 {} 19. Nd2 Nh8 20. Ne4 Qd7 21. Be3 Ng6 22. f3 Rad8 23. Qc4 Kh8 24. a4 Qf7 25. a5 Ne7 26. Nc3 Nf5 27. Bd2 Nd4 28. Be3 Nc2 29. Qe4 Nxe3 30. Qxe3 e4 31. Qd2 {[#]} (31. fxe4 $11 Qc7 32. Rxf8+ Rxf8 33. b6 )e3 $1 $36 { Black  has strong initiative.} 32. Qc2 (32. Qxe3 Bd4 )Be5 33. g3 Rde8 34. Kg2 $2 (34. Ne2 $17 {was necessary.} )Kg8 $2 (34... Bxc3 $1 $19 35. Qxc3+ Kg8 )35. Rbe1 $2 (35. Ne2 $17 {is a better defense.} )Bxc3 $1 $19 36. Qxc3 Qxd5 37. Qc4 Rf5 38. Re2 Kf8 (38... Kg7 $19 39. g4 Rfe5 )39. Qc3 (39. g4 $17 {  keeps fighting.} Rfe5 40. a6 )Kf7 40. Qc2 (40. Qc4 $142 )g4 (40... h5 $19 41. Qc4 Kg6 )41. Qc4 $17 Qxc4 ({Much worse is} 41... gxf3+ $6 42. Rxf3 $1 {} Kg6 43. Qg4+ Rg5 44. Qf4 $11 )42. dxc4 { Endgame  KRR-KRR} h5 43. f4 $2 (43. b6 $17 )d5 $19 44. cxd5 Rxd5 45. Rc1 Re4 46. Rc3 (46. h4 $142 )c4 47. Rcxe3 Rxe3 48. Rxe3 Rxb5 {KR-KR} 49. Rc3 Rxa5 50. Rxc4 {intending Rc7+.} Ra2+ 51. Kg1 Rb2 $2 (51... b5 $19 52. Rb4 a6 )52. Rc5 $15 Kg6 {White must now prevent ...b6.} 53. Rg5+ (53. Ra5 $1 $15 )Kh6 $1 $19 54. Rg8 $2 (54. Rc5 )a5 {} 55. f5 (55. Rh8+ $142 Kg6 56. Ra8 )Rb5 $2 (55... Rb6 {Strongly  threatening ...a4.} 56. Ra8 Ra6 )56. Rg6+ $2 (56. f6 Rf5 57. Rb8 )Kh7 57. Rg5 {[#]} a4 $1 { Black mates.} 58. Rxh5+ Kg8 59. Rg5+ Kf7 60. Rxg4 Ra5 61. Rd4 a3 62. Rd1 a2 63. Ra1 {[#]} b5 $1 {} 64. g4 b4 {Accuracy: White = 50%, Black = 69%.} 0-1  [Event "FIDE Chesscom Online Nations Cup"] [White "Goryachkina, Aleksandra"] [Black "Muzychuk, Anna"] [Site "Online"] [Round "1"] [Annotator "TA"] [Result "1/2-1/2"] [Date "2020.05.05"] [WhiteElo "2502"] [BlackElo "2533"] [PlyCount "72"]  1. d4 {} d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 0-0 8. Be2 b6 9. 0-0 Bb7 10. Bb2 Qe7 11. Rfe1 Rfe8 12. e4 {D45: Semi-Slav: 5  e3.} Nxe4 13. Nxe4 dxe4 14. Qxe4 f5 15. Qc2 c5 16. d5 $1 {aiming for Bd3.} exd5 {[#]} (16... Qf7 $14 )17. cxd5 $146 ({Predecessor:} 17. Bd3 Qf7 18. Bxf5 Nf8 19. cxd5 Bxd5 20. Be4 Bxe4 21. Rxe4 Rxe4 22. Qxe4 Re8 23. Qd3 {1/2-1/2 (29)  Adler,J (2340)-Pelletier,Y (2245) Switzerland 1993} )Qf7 (17... Nf6 $16 )18. Bc4 Rxe1+ ({Don't blunder} 18... Bxd5 $2 19. Ng5 $18 )(18... Qh5 $142 19. Bb5 Red8 )19. Rxe1 b5 20. Bxb5 {Black must now prevent Re6.} Bxd5 21. Rd1 {  Strongly threatening Rxd5!} Nb6 22. Ne5 $2 ({White must play} 22. Ng5 $1 $18 {  } Qh5 23. Nf3 $1 {} )Qe6 {[#]} (22... Bxe5 $1 $14 23. Bxe5 Rc8 )23. f4 (23. Nd7 $1 $18 {} Kh8 24. Qc3 (24. Nxc5 Qh6 $16 ))Rd8 24. Bd3 Rf8 {[#]} 25. Qc3 (25. g4 $1 $16 {} )Qh6 (25... Bxe5 $11 26. Qxe5 (26. fxe5 f4 $14 )Qxe5 27. fxe5 (27. Bxe5 c4 $14 )c4 28. bxc4 Bxc4 )26. Qd2 Be7 27. Bc4 (27. Qf2 $16 )Bxc4 $11 {  The position is equal.} 28. Nxc4 Rd8 29. Qe2 {Rxd8+ would kill now.} Rxd1+ 30. Qxd1 Qxf4 31. Nxb6 axb6 32. Qd5+ Kf8 33. Qa8+ Kf7 {And now ...Qe3+ would win.} 34. Qd5+ Kf8 35. Qa8+ Kf7 {...Qe3+ is the strong threat.} 36. Qd5+ Kf8 {  Black defended with fortune. Accuracy: White = 56%, Black = 30%.} 1/2-1/2  [Event "FIDE Chesscom Online Nations Cup"] [White "Zatonskih, Anna"] [Black "Koneru, Humpy"] [Site "Online"] [Round "1"] [Annotator "RC"] [Result "0-1"] [Date "2020.05.05"] [WhiteElo "2327"] [BlackElo "2483"] [PlyCount "84"] [TimeControl "1500+10"]  1. e4 {[%emt 0:0:7]} e5 {[%emt 0:0:4]} 2. Nf3 {[%emt 0:0:5]} Nc6 {[%emt 0:0:2] } 3. Nc3 {[%emt 0:0:4]} Nf6 {[%emt 0:0:4]} 4. d4 {[%emt 0:0:0]} exd4 {[%emt 0:0:7]} 5. Nxd4 {[%emt 0:0:3]} Bb4 {[%emt 0:0:6]} 6. Nxc6 {[%emt 0:0:6]} bxc6 {[%emt 0:0:2]} 7. Bd3 {[%emt 0:0:3]} 0-0 {[%emt 0:0:11] } 8. 0-0 {[%emt 0:0:5]} d5 {[%emt 0:0:6]} 9. Bd2 {[%emt 0:0:0]} Rb8 {[%emt 0:1:15]} 10. Re1 {[%emt 0:0:16]} Re8 {[%emt 0:0:49]} 11. a3 {[%emt 0:1:5]} Bd6 {[%emt 0:2:13]} 12. Bg5 {[%emt 0:3:48]} d4 {[%emt 0:0:0]} 13. Na4 {[%emt 0:2:7]} h6 {[%emt 0:0:9]} 14. Bh4 {[%emt 0:0:7]} c5 {[%emt 0:0:10] } 15. b3 {[%emt 0:3:49]} Bb7 {[%emt 0:3:21]} 16. Qf3 {[%emt 0:0:0]} g5 {[%emt 0:1:53]} 17. Bg3 {[%emt 0:0:9]} c4 {[%emt 0:2:54]} 18. Bxc4 {[%emt 0:1:42]} Bxe4 {[%emt 0:0:23]} 19. Qd1 {[%emt 0:0:56]} Bxg3 {[%emt 0:0:25] } 20. hxg3 {[%emt 0:0:6]} Qd6 {[%emt 0:0:5]} 21. Qd2 {[%emt 0:2:41] } Kg7 {[%emt 0:1:28]} 22. Nb2 {[%emt 0:2:18]} Ba8 {[%emt 0:0:0]} 23. Bd3 {[%emt 0:3:42]} Rxe1+ {[%emt 0:1:27]} 24. Qxe1 {[%emt 0:0:53]} Re8 {[%emt 0:0:22]} 25. Qd2 {[%emt 0:0:14]} Qd5 {[%emt 0:0:33]} 26. f3 {[%emt 0:0:40] } g4 {[%emt 0:1:12]} 27. Rf1 {[%emt 0:1:19]} gxf3 {[%emt 0:0:0]} 28. Rxf3 {[%emt 0:0:16]} Qh5 {[%emt 0:0:10]} 29. Rf5 {[%emt 0:0:27]} Qg4 {[%emt 0:0:56]} 30. Qf2 {[%emt 0:0:8]} Re6 {[%emt 0:0:31]} 31. Rf4 {[%emt 0:0:39] } Qg5 {[%emt 0:0:29]} 32. Nc4 {[%emt 0:0:14]} Kg8 {[%emt 0:0:0]} 33. Bf5 {[%emt 0:0:48]} Re7 {[%emt 0:0:28]} 34. Rxd4 {[%emt 0:0:8]} Qc1+ {[%emt 0:0:16]} 35. Kh2 {[%emt 0:0:3]} Re1 {[%emt 0:0:15]} 36. g4 {[%emt 0:0:4] } Rh1+ {[%emt 0:0:26]} 37. Kg3 {[%emt 0:0:3]} Kg7 {[%emt 0:0:0]} 38. Ne3 {[%emt 0:0:27]} Re1 {[%emt 0:0:10]} 39. Rd3 {[%emt 0:0:15]} Be4 {[%emt 0:0:13]} 40. Rc3 {[%emt 0:0:8]} Qa1 {[%emt 0:0:1]} 41. Rxc7 {[%emt 0:0:12] } Qe5+ {[%emt 0:0:4]} 42. Qf4 {[%emt 0:0:20]} Rxe3+ {[%emt 0:0:0]} 0-1

Кубок наций 2020. Первый день, тур 2

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[Event "FIDE Chesscom Online Nations Cup"] [White "Vachier-Lagrave, Maxime"] [Black "Ding, Liren"] [Site "Online"] [Round "2"] [Annotator "TA"] [Result "1/2-1/2"] [Date "2020.05.05"] [WhiteElo "2860"] [BlackElo "2836"] [PlyCount "79"]  1. d4 {} Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. e4 d5 6. e5 Ne4 $1 7. Nf3 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} c5 $1 8. Bd3 cxd4 9. Nxd4 Nd7 10. Bf4 Qh4 11. g3 Qh5 12. 0-0 g5 13. cxd5 gxf4 14. dxe6 Nxc3 15. exd7 fxg3 16. hxg3 Bxd7 {[#] Hoping for ...Ba4.} 17. bxc3 Rac8 18. Bf5 Bxc3 19. Bxd7 Bxa1 {The position is equal.} 20. Bxc8 Bxd4 21. Kg2 Qxe5 22. Bxb7 Rb8 {[#]} 23. Rh1 $146 ({Predecessor:} 23. Rb1 Kg7 24. Qd3 Qf6 25. Qe2 Re8 26. Qg4+ Kf8 27. Bf3 Qg6 28. Qxd4 Qxb1 29. Qh8+ Ke7 30. Qe5+ Kf8 31. Qh8+ Ke7 32. Qe5+ {1/2-1/2 (32) Leko,P (2732)-Dominguez Perez,L (2726) Tashkent 2012} )h5 24. Rh4 Kg7 $132 { Black is fighting back} 25. Re4 Qf5 26. Qd2 {  [#]} Qxf2+ $1 {} 27. Qxf2 Bxf2 28. Kxf2 {And now Bd5 would win.} Rxb7 $11 { Endgame KR-KR} 29. Ra4 $1 Kg6 30. Kf3 Kg5 31. Ra5+ f5 32. Ra4 Rc7 33. Kg2 Rd7 34. Kf3 Rf7 35. Ra5 Rc7 36. Ra4 Rc3+ 37. Kg2 Rc7 38. Kf3 Rc3+ 39. Kg2 Rc7 40. Kf3 {Not much happened in this game. Accuracy: White = 100%,  Black = 100%.} 1/2-1/2  [Event "FIDE Chesscom Online Nations Cup"] [White "Nepomniachtchi, Ian"] [Black "Nakamura, Hikaru"] [Site "Online"] [Round "2"] [Annotator "RC"] [Result "0-1"] [Date "2020.05.05"] [WhiteElo "2778"] [BlackElo "2829"] [PlyCount "276"] [TimeControl "1500+10"]  1. d4 {[%emt 0:0:13]} Nf6 {[%emt 0:0:3]} 2. c4 {[%emt 0:0:2]} e6 {[%emt 0:0:0]} 3. Nf3 {[%emt 0:0:2]} d5 {[%emt 0:0:1]} 4. Nc3 {[%emt 0:0:2]} Be7 {[%emt 0:0:1]} 5. Bf4 {[%emt 0:0:1]} 0-0 {[%emt 0:0:1]} 6. e3 {[%emt 0:0:0]} Nbd7 {[%emt 0:0:1]} 7. c5 {[%emt 0:0:12]} c6 {[%emt 0:0:3]} 8. h3 {[%emt 0:0:11]} b6 {[%emt 0:0:2]} 9. b4 {[%emt 0:0:3]} a5 {[%emt 0:0:0]} 10. a3 {[%emt 0:0:2]} h6 {[%emt 0:0:1]} 11. Qc1 {[%emt 0:0:3]} Bb7 {[%emt 0:0:2] } 12. Bd3 {[%emt 0:0:4]} Qc8 {[%emt 0:0:1]} 13. 0-0 {[%emt 0:0:0]} Ba6 {[%emt 0:0:1]} 14. Bxa6 {[%emt 0:0:2]} Rxa6 {[%emt 0:0:28]} 15. Qb2 {[%emt 0:0:2]} Qb7 {[%emt 0:0:43]} 16. Rfb1 {[%emt 0:0:3]} axb4 {[%emt 0:0:17] } 17. axb4 {[%emt 0:0:3]} Rxa1 {[%emt 0:0:4]} 18. Qxa1 {[%emt 0:0:4] } Ra8 {[%emt 0:0:2]} 19. Qb2 {[%emt 0:0:5]} Nh5 {[%emt 0:0:0]} 20. Bh2 {[%emt 0:2:52]} Bd8 {[%emt 0:0:15]} 21. Ra1 {[%emt 0:0:41]} Nhf6 {[%emt 0:0:20]} 22. g4 {[%emt 0:0:58]} Ne8 {[%emt 0:0:37]} 23. Rxa8 {[%emt 0:1:53] } Qxa8 {[%emt 0:0:3]} 24. Qa2 {[%emt 0:0:3]} Qb7 {[%emt 0:0:0]} 25. Qa4 {[%emt 0:2:17]} b5 {[%emt 0:0:15]} 26. Qa1 {[%emt 0:0:50]} Bc7 {[%emt 0:0:9]} 27. Bxc7 {[%emt 0:0:2]} Nxc7 {[%emt 0:0:0]} 28. Qa5 {[%emt 0:0:4] } f6 {[%emt 0:0:13]} 29. Ne2 {[%emt 0:0:47]} Kf7 {[%emt 0:0:0]} 30. Nc1 {[%emt 0:0:26]} g5 {[%emt 0:0:26]} 31. Nd3 {[%emt 0:0:36]} Ke7 {[%emt 0:0:9]} 32. Nd2 {[%emt 0:0:23]} Kd8 {[%emt 0:1:29]} 33. Nb3 {[%emt 0:0:12] } Qa6 {[%emt 0:0:26]} 34. f4 {[%emt 0:0:24]} Qxa5 {[%emt 0:0:0]} 35. Nxa5 {[%emt 0:0:3]} Nb8 {[%emt 0:0:2]} 36. Kf2 {[%emt 0:0:3]} Ne8 {[%emt 0:0:43]} 37. Kg3 {[%emt 0:0:49]} Kc7 {[%emt 0:1:21]} 38. h4 {[%emt 0:0:16] } Nd7 {[%emt 0:2:25]} 39. Nb3 {[%emt 0:0:10]} gxh4+ {[%emt 0:0:0]} 40. Kxh4 {[%emt 0:0:4]} Ng7 {[%emt 0:0:1]} 41. Nd2 {[%emt 0:1:52]} Nf8 {[%emt 0:0:8]} 42. Nf3 {[%emt 0:1:7]} Ng6+ {[%emt 0:2:53]} 43. Kg3 {[%emt 0:0:3] } Kd8 {[%emt 0:0:7]} 44. Nh4 {[%emt 0:0:10]} Ne7 {[%emt 0:0:0]} 45. Kf3 {[%emt 0:0:54]} Ke8 {[%emt 0:0:9]} 46. Nc1 {[%emt 0:0:24]} Kf7 {[%emt 0:0:8]} 47. Nb3 {[%emt 0:0:8]} h5 {[%emt 0:1:0]} 48. Na5 {[%emt 0:0:0]} hxg4+ {[%emt 0:0:46]} 49. Kxg4 {[%emt 0:0:0]} Ne8 {[%emt 0:0:2]} 50. f5 {[%emt 0:4:45]} Nc7 {[%emt 0:1:2]} 51. fxe6+ {[%emt 0:0:3]} Kxe6 {[%emt 0:0:9] } 52. Ng2 {[%emt 0:0:1]} Ne8 {[%emt 0:1:30]} 53. Nf4+ {[%emt 0:0:12] } Kd7 {[%emt 0:0:3]} 54. Nh5 {[%emt 0:0:16]} Kc7 {[%emt 0:0:0]} 55. Nb3 {[%emt 0:0:7]} Kd7 {[%emt 0:0:1]} 56. Nc1 {[%emt 0:0:35]} Ke6 {[%emt 0:0:6]} 57. Nf4+ {[%emt 0:0:38]} Kf7 {[%emt 0:0:14]} 58. Nb3 {[%emt 0:0:4] } Ng7 {[%emt 0:2:57]} 59. Na5 {[%emt 0:0:14]} Ngf5 {[%emt 0:0:0]} 60. Kf3 {[%emt 0:0:22]} Nh4+ {[%emt 0:0:33]} 61. Kg3 {[%emt 0:0:11]} Nhf5+ {[%emt 0:0:10]} 62. Kf2 {[%emt 0:0:3]} Ng7 {[%emt 0:0:10]} 63. Nb7 {[%emt 0:0:6] } Ke8 {[%emt 0:0:5]} 64. Kf3 {[%emt 0:0:12]} Kd7 {[%emt 0:0:0]} 65. Na5 {[%emt 0:1:6]} Nef5 {[%emt 0:0:39]} 66. Kf2 {[%emt 0:0:45]} Ne7 {[%emt 0:0:22]} 67. Kf3 {[%emt 0:0:48]} Nef5 {[%emt 0:0:8]} 68. Nb3 {[%emt 0:0:3] } Nh4+ {[%emt 0:0:12]} 69. Kf2 {[%emt 0:0:3]} Nhf5 {[%emt 0:0:0]} 70. Nd2 {[%emt 0:0:10]} Ke7 {[%emt 0:0:23]} 71. Nf3 {[%emt 0:0:13]} Kf7 {[%emt 0:0:9]} 72. Nh2 {[%emt 0:0:24]} Ke7 {[%emt 0:0:43]} 73. Ng4 {[%emt 0:0:5] } Kf7 {[%emt 0:0:1]} 74. Kf3 {[%emt 0:0:43]} Nh4+ {[%emt 0:0:0]} 75. Ke2 {[%emt 0:0:2]} Nhf5 {[%emt 0:0:0]} 76. Nf2 {[%emt 0:0:3]} Ng3+ {[%emt 0:0:22]} 77. Kf3 {[%emt 0:0:3]} N3f5 {[%emt 0:0:1]} 78. Nd1 {[%emt 0:0:7] } Nh4+ {[%emt 0:0:24]} 79. Kf2 {[%emt 0:0:24]} Nhf5 {[%emt 0:0:0]} 80. Nc3 {[%emt 0:0:3]} Ne8 {[%emt 0:0:5]} 81. Kf3 {[%emt 0:0:12]} Nc7 {[%emt 0:0:6]} 82. Nce2 {[%emt 0:0:2]} Na6 {[%emt 0:0:22]} 83. Nd3 {[%emt 0:0:3] } Nc7 {[%emt 0:0:8]} 84. Nec1 {[%emt 0:0:5]} Ne6 {[%emt 0:0:0]} 85. Nb3 {[%emt 0:0:3]} Ke8 {[%emt 0:0:9]} 86. Nf2 {[%emt 0:0:13]} Kf7 {[%emt 0:0:54]} 87. Na5 {[%emt 0:0:4]} Nd8 {[%emt 0:0:1]} 88. Ng4 {[%emt 0:0:6] } Kg6 {[%emt 0:0:12]} 89. Nf2 {[%emt 0:0:4]} Kf7 {[%emt 0:0:0]} 90. Nd3 {[%emt 0:0:4]} Kg6 {[%emt 0:0:10]} 91. Nf4+ {[%emt 0:0:20]} Kf7 {[%emt 0:0:2]} 92. Ng2 {[%emt 0:0:2]} Kg6 {[%emt 0:0:14]} 93. Kf4 {[%emt 0:0:7] } Ne6+ {[%emt 0:0:5]} 94. Kg4 {[%emt 0:0:2]} Nh6+ {[%emt 0:0:0]} 95. Kf3 {[%emt 0:0:2]} Nd8 {[%emt 0:0:0]} 96. Nf4+ {[%emt 0:0:10]} Kf5 {[%emt 0:0:12]} 97. Nh5 {[%emt 0:0:27]} Kg6 {[%emt 0:0:14]} 98. Ng3 {[%emt 0:0:2] } Nhf7 {[%emt 0:0:12]} 99. e4 {[%emt 0:0:15]} Ng5+ {[%emt 0:0:0]} 100. Ke3 {[%emt 0:0:2]} dxe4 {[%emt 0:0:0]} 101. Nxe4 {[%emt 0:0:1]} Nge6 {[%emt 0:0:1]} 102. Nc3 {[%emt 0:2:9]} Nc7 {[%emt 0:0:2]} 103. Kf4 {[%emt 0:0:3] } Na6 {[%emt 0:0:15]} 104. Na2 {[%emt 0:0:43]} Nc7 {[%emt 0:0:0]} 105. Ke4 {[%emt 0:0:16]} f5+ {[%emt 0:0:55]} 106. Ke5 {[%emt 0:0:15]} Nf7+ {[%emt 0:0:5]} 107. Kf4 {[%emt 0:0:2]} Nd5+ {[%emt 0:0:1]} 108. Kf3 {[%emt 0:0:0]} Nd8 {[%emt 0:0:2]} 109. Kg3 {[%emt 0:0:30]} Kh5 {[%emt 0:0:0]} 110. Kf3 {[%emt 0:0:3]} Kg5 {[%emt 0:0:1]} 111. Kg3 {[%emt 0:0:6] } f4+ {[%emt 0:0:12]} 112. Kf3 {[%emt 0:0:1]} Kf5 {[%emt 0:0:0]} 113. Nc1 {[%emt 0:0:33]} Nxb4 {[%emt 0:0:3]} 114. Ne2 {[%emt 0:0:12]} Nd5 {[%emt 0:0:0]} 115. Nc1 {[%emt 0:0:2]} Nc7 {[%emt 0:0:8]} 116. Nd3 {[%emt 0:0:16] } Nce6 {[%emt 0:0:2]} 117. Nb3 {[%emt 0:0:26]} Ng5+ {[%emt 0:0:23]} 118. Kf2 {[%emt 0:0:1]} Ke4 {[%emt 0:0:17]} 119. Nb4 {[%emt 0:0:4]} Nge6 {[%emt 0:0:7] } 120. d5 {[%emt 0:0:1]} cxd5 {[%emt 0:0:4]} 121. c6 {[%emt 0:0:3] } Ke5 {[%emt 0:0:13]} 122. Na5 {[%emt 0:0:26]} Nc7 {[%emt 0:0:0]} 123. Kf3 {[%emt 0:0:14]} Nde6 {[%emt 0:0:7]} 124. Nd3+ {[%emt 0:0:1]} Kd4 {[%emt 0:1:45]} 125. Nxf4 {[%emt 0:0:7]} Nxf4 {[%emt 0:0:3]} 126. Kxf4 {[%emt 0:0:0]} Kc3 {[%emt 0:0:14]} 127. Nb7 {[%emt 0:0:29]} b4 {[%emt 0:0:0]} 128. Nc5 {[%emt 0:0:21]} Kc4 {[%emt 0:0:13]} 129. Na4 {[%emt 0:0:22]} Kb5 {[%emt 0:0:1]} 130. Nb2 {[%emt 0:0:1]} Kxc6 {[%emt 0:0:1]} 131. Ke5 {[%emt 0:0:12] } Kc5 {[%emt 0:0:4]} 132. Na4+ {[%emt 0:0:14]} Kc4 {[%emt 0:0:0]} 133. Kd6 {[%emt 0:0:8]} d4 {[%emt 0:0:9]} 134. Kxc7 {[%emt 0:0:7] } d3 {[%emt 0:0:2]} 135. Kb6 {[%emt 0:0:7]} d2 {[%emt 0:0:8]} 136. Nb2+ {[%emt 0:0:1] } Kb3 {[%emt 0:0:2]} 137. Nd1 {[%emt 0:0:2]} Kc2 {[%emt 0:0:0]} 138. Ne3+ {[%emt 0:0:0]} Kc1 {[%emt 0:0:1]} 0-1  [Event "FIDE Chesscom Online Nations Cup"] [White "Caruana, Fabiano"] [Black "Artemiev, Vladislav"] [Site "Online"] [Round "2"] [Annotator "TA"] [Result "1-0"] [Date "2020.05.05"] [WhiteElo "2773"] [BlackElo "2769"] [PlyCount "111"]  1. c4 {} e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Nf3 Nf6 6. d4 exd4 7. Nxd4 0-0 8. 0-0 Re8 9. Nc2 d6 {A29:  English Opening: Four Knights Variation with 4 g3.} 10. Qd2 $5 { A  promising side line.} a5 11. b3 {[#]} Bf5 $146 {The position is equal.} ({  Predecessor:} 11... Nb4 12. Bb2 Nxc2 13. Qxc2 Bf5 14. Qc1 c6 15. Qd2 Ne4 16. Nxe4 Bxb2 17. Qxb2 Bxe4 {1/2-1/2 (36) Matlakov,M (2700)-Artemiev,V (2709) St  Petersburg 2018} )12. Ne3 Be4 {Black wants to play ...Bxg2.} 13. Bb2 Bxg2 14. Nxg2 Nd7 15. Nd5 Bxb2 16. Qxb2 Nb4 (16... Nce5 {looks sharper.} 17. Qd4 a4 18. b4 f5 19. Rfd1 c6 )17. Ngf4 Nxd5 18. cxd5 (18. Nxd5 {keeps more tension.} a4 19. Rfd1 c6 20. Nc3 axb3 21. axb3 Rxa1 22. Qxa1 Qf6 23. Qb2 )Qf6 19. Qd2 Nc5 20. f3 Qe5 21. e4 b5 22. Rac1 f5 23. exf5 Qxf5 24. Rfe1 (24. Ne6 $5 Nxe6 25. dxe6 $14 )b4 25. Qd4 Qf7 26. Ne6 Nxe6 (26... Rac8 $11 )27. dxe6 $16 Rxe6 28. Rxe6 Qxe6 29. Rxc7 {} Qe5 (29... Qe1+ $16 {  keeps fighting.} 30. Kg2 Qe2+ 31. Kh3 Qe5 32. Qxe5 dxe5 )30. Qxe5 $2 ({Only  move:} 30. Qh4 $18 Qe1+ 31. Kg2 Qe2+ 32. Kh3 Qf1+ 33. Kg4 h5+ 34. Kg5 Qxf3 35. Kxg6 Qd3+ 36. Kxh5 Qe2+ 37. Qg4+ Qxg4+ 38. Kxg4 )dxe5 $18 {  Endgame KR-KR} 31. Rc5 a4 32. Rxe5 axb3 33. axb3 Ra1+ 34. Kg2 Rb1 35. Re3 Rb2+ 36. Kh3 h5 {[#] White stays focused until the end.} 37. g4 $1 hxg4+ 38. fxg4 g5 (38... Kg7 $16 )39. Kg3 Rb1 40. h3 Kf7 41. Kf3 Rf1+ $2 {[#]} (41... Rc1 42. Rd3 Ke6 )42. Ke4 $1 Ke6 43. Kd4+ Kd6 44. Kc4 Rf4+ 45. Kb5 Rd4 46. Re8 Rf4 47. Rg8 Rf3 48. Kxb4 Rxh3 49. Rxg5 Rh1 50. Kb5 Rg1 51. b4 Rb1 52. Rg8 Rb2 53. g5 {  White mates.} Ke6 54. g6 Kf6 55. Kc5 Rc2+ 56. Kb6 {Accuracy: White = 82%,  Black = 56%.} 1-0  [Event "FIDE Chesscom Online Nations Cup"] [White "Radjabov, Teimour"] [Black "Anand, Viswanathan"] [Site "Online"] [Round "2"] [Annotator "TA"] [Result "1/2-1/2"] [Date "2020.05.05"] [WhiteElo "2758"] [BlackElo "2751"] [PlyCount "53"]  1. d4 {} Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 0-0 8. Rc1 dxc4 9. Bxc4 c5 {D38: Queen's Gambit  Declined: Ragozin Defence (4 Nf3 Bb4).} 10. dxc5 Nd7 11. 0-0 Nxc5 12. Nb5 Rd8 {  [#]} 13. Qe2 $146 ({Predecessor:} 13. Qc2 a6 14. Nbd4 e5 15. a3 Bxa3 16. Nc6 bxc6 17. bxa3 Be6 18. Bxe6 Nxe6 19. Qxc6 {1/2-1/2 (50) Kolpak,S (2328)-Van der  Plas,R (2324) ICCF email 2016} )Ba5 14. a3 {b4 is the strong threat.} Ne4 15. Bd3 Nd6 {[#]} (15... Ng5 $1 $11 {remains equal.} )16. Nxd6 $1 $16 Rxd6 17. Rfd1 Rd8 18. Be4 a6 19. b4 Bb6 20. Rxd8+ Qxd8 21. Ne5 f5 22. Qh5 (22. Bf3 $16 )fxe4 $11 {The position is equal.} 23. Qf7+ Kh7 {[#] White must now  prevent ...Qg5.} 24. Qg6+ Kg8 {Strongly threatening ...Qe7.} 25. Qf7+ Kh7 {  And now ...Qg5 would win.} 26. Qg6+ Kg8 {aiming for ...Qe7.} 27. Qf7+ {  Accuracy: White = 86%, Black = 76%.} 1/2-1/2  [Event "FIDE Chesscom Online Nations Cup"] [White "Wei, Yi"] [Black "Aronian, Levon"] [Site "Online"] [Round "2"] [Annotator "TA"] [Result "1/2-1/2"] [Date "2020.05.05"] [WhiteElo "2752"] [BlackElo "2778"] [PlyCount "61"]  1. e4 {} e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 0-0 8. Qd2 {  C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Nd7 9. 0-0-0 c6 {  9...Nf6 is the modern continuation.} 10. h4 Re8 11. Bd3 d5 12. h5 Nc5 {[#]} 13. Kb1 $146 ({Predecessor:} 13. h6 Nxd3+ 14. Qxd3 g6 15. c4 Bf8 16. cxd5 Qxd5 17. Qxd5 cxd5 18. Rxd5 f6 19. Nd4 {1/2-1/2 (36) Greig,S (2186)-Slyusar,V (2194)  ICCF email 2018} )Bg4 {[#]} (13... h6 $11 )14. Bxc5 ({White should try} 14. Bxh7+ $1 $16 {} Kxh7 15. h6 )Bxc5 $11 15. Qf4 Bxf3 16. Qxf3 Qf6 17. Qxf6 gxf6 18. Rh4 Bxf2 19. Rf4 Be3 20. Rxf6 Re5 21. Rdf1 Rf8 22. R6f5 Rxf5 23. Rxf5 { Endgame KRB-KRB} h6 24. c4 Rd8 25. cxd5 Rxd5 26. Rxd5 cxd5 {KB-KB} 27. g4 Kf8 {The position is equal.} 28. Bf5 Ke7 29. Bd3 a5 30. a4 b6 31. Bf5 {Accuracy: White = 88%, Black = 85%.} 1/2-1/2  [Event "FIDE Chesscom Online Nations Cup"] [White "Andreikin, Dmitry"] [Black "So, Wesley"] [Site "Online"] [Round "2"] [Annotator "TA"] [Result "1/2-1/2"] [Date "2020.05.05"] [WhiteElo "2740"] [BlackElo "2741"] [PlyCount "67"]  1. d4 {} Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Be2 Nc6 9. d5 Bxc3+ 10. Bd2 Bxa1 11. Qxa1 Nd4 12. Nxd4 cxd4 13. Qxd4 0-0 14. 0-0 {D85:  Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} Qb6 15. Qa1 Bd7 ({Better is} 15... Rd8 $15 )16. Rb1 Qc7 17. Bh6 {} f6 18. Bxf8 Kxf8 19. Qb2 {[#]} b6 $146 ({Predecessor:} 19... b5 20. g3 a6 21. Rc1 Qd6 22. Bd1 Rc8 23. Rxc8+ {1/2-1/2 (23) Thew,B (2136)-Devine,G (2141) ICCF  email 2016} )20. Rc1 Qf4 21. Qa3 (21. Rc4 $11 {remains equal.} )Qxe4 $17 { Double Attack} 22. Bf3 {[#]} Qe5 $1 23. Qa6 Qf4 24. Rc4 {[#]} Qf5 (24... Qd2 $1 $17 {} 25. h3 Qe1+ 26. Kh2 Bf5 )25. h3 $11 {The  position is equal.} Qb1+ 26. Kh2 Bb5 27. Qb7 $1 {} Bxc4 28. Qxa8+ Kf7 29. Qh8 Qf5 30. Qxh7+ Kf8 31. Qh8+ Kf7 32. Qh7+ Kf8 33. Qh8+ Kf7 34. Qh7+ {  Accuracy: White = 84%, Black = 78%.} 1/2-1/2  [Event "FIDE Chesscom Online Nations Cup"] [White "Giri, Anish"] [Black "Yu, Yangyi"] [Site "Online"] [Round "2"] [Annotator "TA"] [Result "0-1"] [Date "2020.05.05"] [WhiteElo "2731"] [BlackElo "2738"] [PlyCount "86"]  1. e4 {} e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 Be7 6. Bd3 Bf5 7. 0-0 0-0 8. Re1 d5 9. Nbd2 { is currently scoring better than 9.c4. Played by Peter  Svidler in April 2020. C42: Petroff Defence: 3 Nxe5 and unusual White 3rd  moves.} Nd6 $1 10. Nf1 Nd7 11. Bxf5 {White has an edge.} Nxf5 12. Qd3 g6 {[#]} 13. Bf4 $146 ({Predecessor:} 13. Ne3 Nxe3 14. Bxe3 Re8 15. Bf4 c6 16. Re2 Bf6 17. Rxe8+ Qxe8 18. Re1 Qd8 19. Ne5 Nxe5 20. Bxe5 {1/2-1/2 (59) Antolak,J (2249)  -Zatonskih,A (2420) Wroclaw 2019} )Re8 14. Re2 Bd6 15. Rxe8+ Qxe8 16. Re1 Qf8 17. Bxd6 Nxd6 18. Ne5 Rd8 {} 19. Ne3 c6 20. N3g4 {Nxd7 is the strong threat.} f6 21. Nxd7 Rxd7 22. Re6 Ne4 {Hoping for  ...Kf7.} 23. f3 {[#]} (23. Qh3 $11 )Kf7 $1 $17 24. fxe4 Kxe6 {  Endgame KQR-KQN} 25. Qh3 f5 ({But not} 25... dxe4 $6 26. Ne5+ f5 27. Nxd7 $11 )26. Ne5 Re7 ({Reject} 26... dxe4 $6 27. Nxd7 Kxd7 28. Qxh7+ Kd8 29. Qxg6 $11 (29. Qxb7 Qh6 $11 ))27. exd5+ cxd5 28. Qa3 (28. Qc3 $17 )Qb8 (28... Qh6 $19 {And now ...Qc1+ would win.} 29. Qc3 Qc1+ 30. Kf2 Kf6 )29. Qe3 $15 {  [#] aiming for Nc6+.} Kf6 $1 30. Qh6 Rxe5 31. dxe5+ Qxe5 { KQ-KQ} 32. h4 Qe7 33. c3 b6 34. a4 Ke6 (34... Ke5 $17 {Threatening ...Ke4.} 35. Kf2 d4 36. cxd4+ Kxd4 37. Qd2+ Kc5 38. Qc3+ Kd5 39. Qb3+ Ke5 40. Qc3+ Ke6 41. Qc4+ Ke5 42. Qc3+ Ke6 43. Qc4+ Kf6 )35. h5 $11 Kf6 36. hxg6 hxg6 37. Qh8+ (37. Kf2 $11 )Kg5 $17 38. Kh2 (38. Kf2 $17 )Qe4 $19 39. Qd8+ $2 (39. Qg7 )Kg4 {( -> ...Qf4+). Black is clearly winning.} 40. Qf6 g5 41. Qh6 Qe5+ 42. Kg1 Qe1+ 43. Kh2 Qh4+ {Accuracy: White = 58%, Black = 76%.} 0-1  [Event "FIDE Chesscom Online Nations Cup"] [White "Harikrishna, Pentala"] [Black "Firouzja, Alireza"] [Site "Online"] [Round "2"] [Annotator "TA"] [Result "1/2-1/2"] [Date "2020.05.05"] [WhiteElo "2690"] [BlackElo "2703"] [PlyCount "133"]  1. e4 {} c6 2. Nf3 d5 3. d3 dxe4 4. dxe4 Qxd1+ 5. Kxd1 Nf6 6. Nfd2 {B10: Caro-Kann: 2 d3 and 2 c4.} h5 7. h4 Ng4 8. Ke1 {[#]} e5 $146 ({  Predecessor:} 8... g6 9. Nc4 Nd7 10. a4 Bg7 11. f3 Nge5 12. a5 Rb8 13. Nc3 b5 14. axb6 axb6 {1-0 (75) Antipov,M (2549)-Wojtaszek,R (2725) Moscow 2019} )9. Nb3 a5 {Hoping for ...a4.} 10. a4 Na6 ({Black should try} 10... f5 $11 )11. f3 $14 Nf6 12. Be3 Nb4 (12... Nd7 $14 )13. Na3 (13. Kd1 $142 $1 )Be6 $16 14. Nc5 Bxc5 $1 15. Bxc5 Nd7 16. Be3 f6 17. Kf2 ({White should play} 17. Rd1 $16 )Ke7 (17... f5 $1 $11 {remains equal.} )18. Be2 Rhd8 19. Rhd1 b6 20. Rd2 Nc5 21. Bxc5+ bxc5 22. Rad1 (22. Rxd8 $1 $16 Rxd8 23. Rd1 )Rxd2 23. Rxd2 Na6 24. Bc4 Bd7 25. Rd3 Nc7 26. Rb3 Ne8 27. Rc3 Nd6 28. Bb3 Nb7 29. Nc4 Be6 30. Ne3 Bd7 31. g3 Rb8 32. Ke2 Rh8 33. Bc4 Ra8 34. f4 Nd6 35. Bd3 $1 Nb7 36. fxe5 fxe5 37. Nc4 Bg4+ 38. Ke1 Ke6 39. Ne3 Bh3 40. Bc4+ Ke7 (40... Kf6 $16 )41. Be2 $18 g6 42. Nc4 $1 Ke6 43. Rb3 $1 {} Nd6 44. Rb6 Nxc4 (44... Rc8 $142 45. Nxa5 Bg2 )45. Bxc4+ Kd6 {[#]} 46. Rxc6+ $1 { Remove Defender  } Kxc6 { Endgame} 47. Bd5+ Kd6 48. Bxa8 {KB-KB} Bd7 49. Bd5 $2 (49. b3 $18 )Bxa4 $16 {[#]} 50. Bf7 $1 g5 51. Kd2 gxh4 52. gxh4 Bc6 53. Ke3 Ke7 (53... Ba4 $16 )54. Bxh5 $18 Kf6 55. Kf3 ({Better is} 55. Kd3 $16 )Ba4 $1 $11 {The position is equal.} 56. b3 Bc6 57. Ke3 c4 $1 58. Bd1 cxb3 59. cxb3 Kg6 60. Kd3 Kh6 61. Bf3 Bb5+ 62. Kc3 Ba6 63. Bg4 Bb7 64. Bf3 Ba6 65. Bd1 Bb5 66. Bg4 Bc6 67. Bf3 {White really could win this. Accuracy: White = 81%,  Black = 79%.} 1/2-1/2  [Event "FIDE Chesscom Online Nations Cup"] [White "Ju, Wenjun"] [Black "Dzagnidze, Nana"] [Site "Online"] [Round "2"] [Annotator "TA"] [Result "1-0"] [Date "2020.05.05"] [WhiteElo "2610"] [BlackElo "2447"] [PlyCount "77"]  1. d4 {} Nf6 2. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Bd5 11. Qc2 Be4 12. Qc1 $1 {12.Qc1 is better than 12.Qd1.} h6 13. Bxf6 {E05: Open Catalan: 5 Nf3 Be7.} Bxf6 14. Rd1 Nc6 15. Nbd2 {The  position is equal.} Bh7 16. Nb3 {[#]} Nb4 $146 ({Predecessor:} 16... Qe7 17. e3 Nb4 18. Ne1 Rab8 19. e4 g5 20. Qc4 Rfd8 21. e5 Bg7 22. Rdc1 Bf5 23. Qxc7 Qxc7 24. Rxc7 {1/2-1/2 (30) Tienhoven,R (2403)-Smirnovs,A (2375) ICCF email 2017} )17. Ne1 c6 18. a5 Qe7 {[#]} ({Black should try} 18... b6 $14 )19. f4 ({Better  is} 19. e4 $1 $18 )g5 20. e4 gxf4 21. gxf4 Rad8 {[#] Black cannot hold  the game after this.} (21... Rfd8 $16 )22. Qc3 $1 $18 Kh8 23. Nc5 Rg8 24. Kh1 ({Much less strong is} 24. Qxb4 $6 Bxe4 25. Kh1 Bxg2+ 26. Nxg2 Qd6 $18 )Nd5 25. exd5 exd5 26. Nf3 Rxg2 $2 (26... Rg7 {was worth a try.} 27. Re1 Qc7 )27. Kxg2 Qe2+ 28. Kh1 Be4 29. Nxe4 dxe4 30. Ng1 Qf2 31. Rf1 Qh4 32. Rad1 Qh5 33. Qe3 Re8 34. Ne2 Qxa5 35. Nc3 Qb4 36. Nxe4 c5 37. f5 Bg7 38. f6 Bf8 39. Rg1 {Accuracy: White = 88%, Black = 25%.} 1-0  [Event "FIDE Chesscom Online Nations Cup"] [White "Cori, Jorge"] [Black "Adhiban, B.."] [Site "Online"] [Round "2"] [Annotator "TA"] [Result "1-0"] [Date "2020.05.05"] [WhiteElo "2599"] [BlackElo "2624"] [PlyCount "109"]  1. d4 {} d5 2. Nf3 e6 3. c4 c6 4. e3 Nf6 5. Nc3 Nbd7 6. Qc2 Bd6 7. b3 0-0 8. Bb2 e5 9. cxd5 {D45: Semi-Slav: 5 e3.} cxd5 10. Be2 (10. Nb5 $11 Bb4+ 11. Bc3 Bxc3+ 12. Nxc3 )e4 $1 $15 {} 11. Nd2 {Black is slightly better.} Nb8 12. Nb5 Nc6 13. Nxd6 Qxd6 14. Qc5 {[#]} Qd8 $146 ({Predecessor:} 14... Qe6 15. Ba3 Re8 16. Qd6 Qf5 17. h3 Rd8 18. Qc7 Ne8 19. Qg3 a5 20. 0-0 Nb4 {1/2-1/2 (55)  Postny,E (2575)-Buhmann,R (2589) Berlin 2018} )15. h3 Be6 16. 0-0 Rc8 17. Rfc1 Qd7 18. Qb5 Rfd8 19. Bf1 Ne8 20. Rc5 Nd6 21. Qa4 b6 (21... a6 $15 )22. Rc3 Na5 23. Qxd7 Bxd7 24. a4 Rxc3 25. Bxc3 Rc8 26. Bb4 Rc2 27. Bxd6 {[#] b4 is the  strong threat.} Rxd2 28. Rc1 Nxb3 29. Rc7 Be6 {White should prevent ...Rd1.} 30. Rxa7 {Ra8+ would kill now.} h5 {Threatening ...Rd1.} 31. Bb5 h4 (31... Rd1+ $11 {remains equal.} 32. Kh2 Nd2 )32. Be7 $16 f6 33. Bd8 (33. Rb7 $14 )Nc1 $11 34. Bxb6 {Strongly threatening Re7.} Nd3 35. Re7 Bf5 36. Bc6 Kf8 (36... Rd1+ $11 37. Kh2 Nxf2 )37. Rc7 ({White should try} 37. Bc5 $1 $14 )Rd1+ 38. Kh2 {Black must now prevent Bc5+.} Nxf2 {} 39. g4 Be6 40. Ba5 Nd3 41. Bb5 Rb1 42. Rc2 g5 43. Bc3 Kf7 44. Ra2 f5 45. gxf5 Bxf5 46. Bc6 {aiming for a5.} Ke6 $2 {} (46... Rc1 $11 {and Black has nothing to  worry.} 47. Bxd5+ Be6 48. Bxe6+ Kxe6 )47. a5 $18 g4 48. hxg4 Bxg4 49. a6 Nb4 50. a7 Nxa2 {[#]} 51. Bxd5+ $1 { Double Attack} Kf6 (51... Kxd5 52. a8=Q+ )52. a8=Q {White mates.} Bf3 53. Qf8+ Kg6 54. Bf7+ Kg5 55. Qg7+ {  Accuracy: White = 87%, Black = 68%.} 1-0  [Event "FIDE Chesscom Online Nations Cup"] [White "Koneru, Humpy"] [Black "Muzychuk, Mariya"] [Site "Online"] [Round "2"] [Annotator "TA"] [Result "1/2-1/2"] [Date "2020.05.05"] [WhiteElo "2483"] [BlackElo "2506"] [PlyCount "53"]  1. d4 {} d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4 5. h3 Bxf3 6. Qxf3 e6 7. Bd3 Nbd7 8. 0-0 Bd6 9. Nd2 {is the legacy move  (9.Nc3).} 0-0 10. e4 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} e5 11. exd5 cxd5 12. cxd5 exd4 13. Ne4 Be5 (13... Qe7 $11 )14. Bg5 $14 {[#]} h6 $146 ({Black should play} 14... Qb6 $14 )({Predecessor:} 14... Qb6 15. d6 Nxe4 16. Qxe4 g6 17. Be7 Rfc8 18. Qg4 Nf6 19. Qg5 Nd7 20. Bf5 Rc5 {1/2-1/2 (66)  Demianjuk,A (2312)-Baraeva,M (2170) Voronezh 2011} )15. Bxf6 $1 $16 Nxf6 16. Qf5 {White wants to mate with Nxf6+.} Re8 17. Nxf6+ (17. f4 $1 $18 {} g6 18. fxe5 gxf5 19. Nxf6+ Kg7 20. Nxe8+ Qxe8 21. Rxf5 )Qxf6 (17... Bxf6 $16 18. Qh7+ Kf8 )18. Qh7+ $18 Kf8 19. f4 Bxf4 20. Rxf4 Qxf4 {[#]} 21. Qh8+ $2 (21. d6 $1 $18 {} Qxd6 22. Qh8+ Ke7 23. Re1+ Kd7 24. Rxe8 Rxe8 25. Bb5+ { Skewer} Kc7 26. Qxe8 )Ke7 $11 {The position is  equal.} 22. Re1+ {[#]} Kf6 $1 23. Rxe8 {Hoping for Bf1.} Qc1+ 24. Kh2 Qf4+ 25. Kg1 {Bf1 is the strong threat.} Qc1+ 26. Kh2 {Strongly threatening d6.} Qf4+ 27. Kg1 {Black escapes into a draw. Accuracy: White = 86%, Black = 58%.} 1/2-1/2  [Event "FIDE Chesscom Online Nations Cup"] [White "Krush, Irina"] [Black "Goryachkina, Aleksandra"] [Site "Online"] [Round "2"] [Annotator "TA"] [Result "1/2-1/2"] [Date "2020.05.05"] [WhiteElo "2392"] [BlackElo "2502"] [PlyCount "87"]  1. d4 {} d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 {D35: Queen's Gambit Declined: Exchange Variation.} 7. Bf4 Bf5 8. h3 Bd6 9. Nge2 0-0 {[#]} 10. Bxd6 $146 ({Predecessor:} 10. g4 Bxf4 11. Nxf4 Bh7 12. Bd3 Bxd3 13. Nxd3 Ne4 14. Nxe4 dxe4 15. Nf4 Na6 16. Qb3 {  1-0 (55) Marusenko,P (2154)-Wilson,M (1817) Cardiff 2019} )Qxd6 11. Nf4 Re8 {Threatens to win with ...Qxf4.} 12. Be2 Nbd7 13. 0-0 Ne4 14. Nxe4 Bxe4 15. Qd2 a5 16. Rac1 Qb4 17. Rc3 a4 18. a3 Qb6 19. Rfc1 Nf6 20. Nd3 Bxd3 21. Bxd3 Ne4 22. Bxe4 $1 Rxe4 23. b4 axb3 24. Qb2 Ra7 25. Rxb3 Qc7 26. a4 Re7 27. Rb4 h5 28. Rb1 g6 29. h4 Rd7 30. g3 Qd8 31. Qe2 Qe7 32. Qf3 Qd6 33. Kg2 Kg7 34. Qe2 Qe6 35. Qc2 Qe7 36. Qe2 {[#]} (36. R1b2 $11 {remains equal.} )Qe4+ ({  Better is} 36... Rxa4 $1 $17 {} 37. Rxa4 Qe4+ { Double  Attack} 38. Qf3 Qxb1 )37. Qf3 $11 {The position is equal.} Qxf3+ 38. Kxf3 {  Endgame KRR-KRR} Re7 39. Rb6 Kf6 40. a5 Rxa5 41. Rxb7 Rxb7 42. Rxb7 Ra2 43. Rc7 Rc2 44. Rb7 {Accuracy: White = 93%, Black = 97%.} 1/2-1/2

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