[Event "Chigorin Memorial 2019"]
[Site "Saint Petersburg"]
[Date "2019.10.09"]
[Round "5.1"]
[White "Kovalenko, Igor"]
[Black "Bocharov, Ivan"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "2674"]
[BlackElo "2550"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,114,14,15,46,32,34,20,48,14,41,30,66,61,65,60,57,61,91,75,91,85,104,97,137,115,121,101,149,150,167,112,102,97,112,112,97,92,134,74,74,84,77,80,81,81,81,81,58,42,93,88,98,64,92,92,83,13,19,8,44,44,160,160,150,147,292,290,288,137,156,43,47,43,47,17,22,-138,-152,-29978,-29979,-29979,-29980,-29980,-29981,-29981,-75,-29982,-29983,-29983,-265,-29984,-29985,-29985,-29986,-29986,-29980,-29998,-29999]} 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. Nf3 Be7 7. cxd5 Qxd5 8. Nc3 Qxd4 9. Nxd4 O-O 10. O-O Re8 $146 {A20: English Opening: 1...e5} ({Predecessor:} 10... Rd8 11. Rd1 Bg4 12. h3 Bh5 13. g4 Bg6 14. f4 Bc5 15. Be3 Re8 16. Bf2 Be4 17. g5 Bxg2 18. Kxg2 {½-½ (73) Zvjaginsev,V (2678)-Alavkin,A (2401) St Petersburg 2012}) 11. Rd1 Na6 12. a3 Nc7 {The position is equal.} 13. b4 (13. Nxc6 $5 bxc6 14. Bxc6 $11 {[%mdl 64] Double Attack}) 13... Bd7 14. Nb3 Rad8 15. Na5 $36 {[%mdl 2048] Black is under pressure.} Bc8 16. Be3 a6 17. Na4 Nfd5 18. Bd4 f5 19. e3 Kf7 20. Bb2 Rd7 21. Rac1 Red8 22. Re1 Nb5 23. Nc5 Rc7 24. Nc4 (24. Be5 $18 Bxc5 25. Bxc7 (25. Rxc5 Re7 $14) 25... Ndxc7 26. bxc5 (26. Rxc5 Nxa3 27. e4 Re8 $16) 26... Nxa3 27. e4) 24... Bf6 $16 25. Bxf6 Kxf6 26. Red1 Ke7 27. Rd3 Nd6 28. Bxd5 ({White should play} 28. Nxd6 Kxd6 29. Bxd5 cxd5 30. e4) 28... cxd5 29. Nb6 Be6 30. Rcd1 Ne4 31. Nxe4 fxe4 32. Nxd5+ Kf7 {Strongly threatening ...Rcd7.} 33. Rd4 (33. Nxc7 $5 {[%cal Rd3d8]} exd3 34. Nxe6 Kxe6 35. Kf1 $16) 33... Rc2 (33... Rc6 $1 $14) 34. h3 $1 g5 35. Kg2 Rd6 36. a4 b6 37. g4 (37. a5 $1 $16) 37... a5 $1 $11 38. Kg3 h6 39. Kg2 Rdc6 ({Better is} 39... Rcc6 $14) 40. bxa5 $16 ({Don't play} 40. Rxe4 $6 Rb2 $14) 40... bxa5 41. Rb1 R6c4 (41... Bxd5 $16 {was called for.} 42. Rxd5 Rf6) 42. Rb7+ $18 Kg6 {White should prevent ...Rxd4.} 43. Re7 (43. Ne7+ $1 $18 {is the precise move to win.} Kf7 44. Nf5+ Kf6 45. Rd6 $1 {[%mdl 512]} (45. Nxh6 Rxd4 46. exd4 e3 $17)) 43... Bf7 $16 {[#] Hoping for ...Rxd4.} 44. Rd1 ({Only move:} 44. h4 $1 $16) 44... Rc1 $1 $14 {[%cal Rc1d1]} 45. Rxc1 Rxc1 {[%mdl 4096] Endgame KRB-KRN} 46. Nb6 Bb3 47. Ra7 $2 {[#]} (47. Re8 $11) 47... Bd1 $1 $17 48. Rxa5 $2 (48. f3 $17 exf3+ 49. Kf2) 48... Bf3+ 49. Kh2 Rh1+ 50. Kg3 Rg1+ 51. Kh2 Rg2+ 52. Kh1 {intending Rf5.} Rxg4+ $1 {[%mdl 64] Discovered Attack} 53. Kh2 Rg2+ {[%mdl 64] Double Attack} 54. Kh1 Kh5 {Black mates.} 55. Nc4 Kh4 56. Ne5 Kxh3 57. Ra6 {[#]} Rh2+ $1 {[%mdl 512] Accuracy: White = 53%, Black = 55%.} 0-1

[Event "Chigorin Memorial 2019"]
[Site "Saint Petersburg"]
[Date "2019.10.09"]
[Round "5.2"]
[White "Vokhidov, Shamsiddin"]
[Black "Smirin, Ilia"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2519"]
[BlackElo "2599"]
[Annotator "TA"]
[PlyCount "199"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,199,31,27,15,26,32,42,29,31,20,16,9,8,18,12,0,0,0,19,12,20,20,23,20,19,27,27,23,25,16,9,15,18,12,15,15,15,15,22,11,21,0,39,42,34,32,51,51,51,40,45,40,52,53,74,66,100,0,52,52,91,75,66,0,20,28,29,10,44,25,45,16,22,26,22,5,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,3,4,4,4,4,4,5,50,50,67,67,67,67,67,50,50,50,67,50,67,67,67,67,67,67,67,67,67,67,67,50,67,67,67,43,43,43,43,43,43,43,67,67,67,43,43,43,67,43,67,67,67,0,68,0,67,67,67,67,67,67,67,67,67,67,67,67,67,67,67,67,67,67,67,0,0,0,0,0,0,0,0,0,0,0,29973,29974,29973,29973,29977,29978]} 1. e4 d6 2. d4 Nf6 3. Bd3 e5 4. c3 d5 5. dxe5 Nxe4 6. Nf3 Nc6 7. Nbd2 Nc5 8. Be2 {B07: Pirc Defence: Miscellaneous Systems} d4 9. cxd4 Nxd4 10. Nxd4 {White is slightly better.} Qxd4 11. O-O Be7 $146 ({Predecessor:} 11... Bf5 12. Nf3 Qxd1 13. Rxd1 Ne6 14. Be3 Be7 15. Ne1 h5 {½-½ (26) Popovic,P (2530)-Chernin,A (2615) Moscow 1994}) 12. Nf3 Qxd1 13. Rxd1 c6 14. Be3 Na4 15. Rd2 O-O 16. Bd1 Nb6 17. Bb3 Bf5 18. Nd4 Be4 19. f3 Bd5 20. Nf5 Bb4 {White must now prevent ...Bxb3.} 21. Rd4 Bc5 22. Rd3 Bxe3+ 23. Rxe3 Rfe8 24. f4 Rad8 25. Rg3 g6 26. Nd6 Re7 27. Rf1 Nc8 28. Bxd5 cxd5 29. Nb5 $36 {[%mdl 2048] White is pushing.} a6 30. Nd4 Rc7 31. Rd1 Ne7 32. Kf2 Kf8 33. Rb3 h5 34. Rb6 Nc8 35. Rb3 (35. Rf6 {is interesting.} Kg7 36. Rd3 Ne7 37. Rd6 Rcd7 38. Rb6) 35... Ne7 36. Rd2 Kg7 37. Kf3 Rdd7 38. Rc2 (38. Rb6 $14 Nc8 39. Rf6) 38... Rc4 39. Rd3 {[#] Threatens to win with Rxc4.} Rdc7 40. Rcd2 Rc1 41. Rd1 R1c4 42. b3 R4c5 43. Ke3 Nc6 44. Nxc6 bxc6 $11 {[%mdl 4096] Endgame KRR-KRR} 45. Kd4 Rc2 46. R3d2 c5+ 47. Kd3 Rxd2+ 48. Rxd2 {KR-KR} c4+ 49. Kd4 cxb3 $1 50. axb3 Rb7 51. Kc3 Rb5 52. b4 a5 53. bxa5 Rxa5 54. Kb4 Ra1 55. Kc5 Rf1 56. g3 h4 57. Kxd5 hxg3 58. hxg3 g5 59. Ke4 Re1+ 60. Kf5 gxf4 61. gxf4 Ra1 62. Rg2+ Kf8 63. Kg5 Ra5 64. Rd2 {Strongly threatening Kf6.} Kg7 65. Rd7 Rb5 66. Ra7 Rc5 67. Kf5 Rb5 68. Rd7 Ra5 69. Ke4 Ra1 70. Rd3 Re1+ 71. Re3 Ra1 72. Rg3+ Kf8 73. Rd3 Re1+ 74. Kf5 Ke7 75. Rb3 {Hoping for Rb7+.} Ra1 76. Rb7+ Kf8 77. Kg5 Rg1+ 78. Kf6 {[%cal Rb7b8]} Rg6+ 79. Kf5 Ra6 80. Rd7 Kg7 81. Ke4 Ra1 $1 82. f5 (82. Rd8 $14) 82... Kf8 (82... Re1+ $1 $11 83. Kd5 Kf8) 83. Kf4 $14 Rg1 84. Rb7 Ke8 $1 85. Rb8+ Kd7 86. Rb3 Ke8 87. Rg3 Rf1+ 88. Rf3 Rg1 89. Ra3 Ke7 90. f6+ Ke8 91. Ra8+ Kd7 92. Rf8 (92. Ra7+ $14 Ke8 93. Kf5) 92... Rf1+ $1 $11 93. Kg5 Rg1+ $1 94. Kh6 Ke6 95. Re8+ Kf5 $1 96. Kh7 Rg2 97. Rg8 Re2 $2 {[%mdl 8192] [#]} (97... Rb2 $11) 98. Kg7 {White mates.} Rxe5 99. Kxf7 Ra5 100. Kg7 {Accuracy: White = 62%, Black = 71%.} 1-0

[Event "Chigorin Memorial 2019"]
[Site "Saint Petersburg"]
[Date "2019.10.09"]
[Round "5.3"]
[White "Burmakin, Vladimir"]
[Black "Khismatullin, Denis"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "2507"]
[BlackElo "2611"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,92,4,60,0,4,0,0,-20,-12,-19,-14,-17,-17,-47,-24,-30,-18,-22,-13,-19,-19,-22,-20,-29,-11,-12,0,0,-6,-37,8,9,63,60,184,79,73,66,77,52,43,34,68,62,66,71,112,87,109,21,15,27,41,18,133,0,0,0,37,0,68,68,68,69,105,103,103,103,112,103,136,43,43,50,47,41,51,8,42,42,42,42,43,42,50]} 1. d4 d6 2. g3 e5 3. Bg2 exd4 4. Qxd4 Nc6 5. Qa4 (5. Qd1 Nf6 6. Nf3 Be7 7. O-O d5 8. Nc3 h6 9. Bf4 Be6 10. Nb5 Rc8 11. Nfd4 Ra8 12. Nf3 {1-0 (93) Cori Tello,J (2549)-Palit,S (2411) Montcada 2014}) 5... g6 $146 ({Better is} 5... Bd7 $11) ({Predecessor:} 5... Nge7 6. Bd2 Be6 7. Nf3 h6 8. O-O Qd7 9. Qb5 O-O-O 10. Rd1 Nd5 11. c4 Nb6 12. Na3 {0-1 (24) Rogozenco,T (2027)-Tammert,I (2293) Germany 2017}) 6. Nf3 {A41: 1 d4 d6: Tartakower System and Modern Defence} (6. Bxc6+ $14 bxc6 7. Qxc6+ Bd7 8. Qe4+ Be7 9. Nc3) 6... Bg7 $11 7. O-O Bd7 8. c3 {The position is equal.} Nf6 9. Bg5 h6 10. Bxf6 Qxf6 11. Qe4+ Be6 12. Na3 {[%cal Bb1a3,Ba3b5,Bb5d4][%mdl 32]} O-O 13. Nb5 Rac8 14. Nbd4 Bd7 15. Qc2 Rfe8 16. Rfe1 Ne7 17. e4 c5 18. Nb3 b5 19. Qd2 Red8 20. Rad1 {e5 is the strong threat.} d5 (20... Bc6 $11) 21. exd5 $14 {Hoping for d6.} Be6 (21... Bg4 $14) 22. Qe2 (22. dxe6 $18 {is the precise move to win.} Rxd2 23. Nfxd2) 22... Nxd5 $16 {Threatening ...b4.} 23. Qxb5 Nb6 {[#] White must now prevent ...Rxd1.} 24. Rxd8+ ({Stronger than} 24. Nxc5 Rxd1 25. Rxd1 Qf5 $17) 24... Qxd8 25. Na5 Qc7 26. Nd2 Rd8 27. Ne4 Bxa2 28. Nxc5 Bf8 29. Qc6 (29. Ncb3 $16) 29... Qxc6 $1 $11 30. Nxc6 Rd2 31. b4 Nd5 (31... Rc2 $1 $11) 32. Nxa7 (32. Bxd5 $16 Rxd5 33. Ne4 (33. Nxa7 Bxc5 34. bxc5 Rxc5 $11)) 32... Nxc3 33. Nc6 Nd5 34. Nd7 Kg7 (34... Nxb4 $11 35. Nxf8 Nc2) 35. Nxf8 $14 Kxf8 36. Bf1 $1 Rb2 37. Re2 Rxe2 38. Bxe2 $16 {[%mdl 4096] Endgame KBN-KBN} Ke8 39. f4 f6 40. Bb5 (40. Kf2 $16) 40... g5 $1 $14 41. fxg5 fxg5 42. Kf2 Kd7 $1 43. Ne5+ {[%mdl 64] [#] Discovered Attack (Double check)} Kd6 44. Nf7+ {[%mdl 64] Double Attack. White is slightly better.} Ke6 45. Nxh6 Nxb4 46. Ng4 Nd5 {Accuracy: White = 50%, Black = 53%.} 1/2-1/2

[Event "Chigorin Memorial 2019"]
[Site "Saint Petersburg"]
[Date "2019.10.09"]
[Round "5.4"]
[White "Petrosyan, Manuel"]
[Black "Peng, Xiongjian"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2611"]
[BlackElo "2476"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,93,29,-6,28,17,38,25,27,33,58,17,23,-4,12,-4,-8,-9,66,83,198,175,297,308,302,289,282,279,280,289,328,245,240,236,241,256,406,421,1005,967,1974,1825,2131,2021,2353,2052,2350,2175,29971,29965,29971,29971,29968,29950,29954,29958,29958,29959,6985,6087,29980,29981,29981,29982,29982,29983,29981,29982,29981,29975,29978,29972]} 1. c4 d6 2. Nc3 e5 3. g3 f5 4. Bg2 Nf6 5. d3 g6 6. Nf3 Bg7 7. O-O O-O 8. Rb1 a5 9. a3 Nc6 10. b4 axb4 11. axb4 h6 12. b5 Ne7 13. c5 Kh7 {A26: English Opening vs King's Indian with ...Nc6 and d3} (13... Be6 14. b6 c6 15. Bb2 dxc5 16. Nxe5 Qxb6 17. Qc2 Qa5 18. Nd1 Nfd5 19. Nc4 Qa2 20. Qc1 b5 21. Nd2 Qa7 22. Bxg7 Kxg7 {½-½ (44) Maletin,P (2567)-Inarkiev,E (2693) Khanty-Mansiysk 2012}) 14. Qb3 Nd7 15. cxd6 cxd6 {White has an edge.} 16. Ba3 Nb6 $146 ({Predecessor:} 16... Nc5 17. Bxc5 dxc5 18. Ra1 Ra5 19. Qc2 Bd7 {½-½ (29) Tolnai,T (2490)-Petran,P (2440) Balatonbereny 1993}) 17. Nd2 f4 18. Qb4 Nf5 19. Nc4 Nxc4 20. dxc4 Nd4 (20... Be6 $11) 21. Qxd6 $14 Bf5 (21... f3 $16 {was worth a try.} 22. Bxf3 Nxf3+ 23. exf3 Bh3) 22. Bxb7 $18 {aiming for Qxd8.} Bxb1 {[#]} (22... Ra7 {was necessary.}) 23. Qxd8 $1 ({But not} 23. Rxb1 $6 Rb8 $18) (23. Bxa8 Qxa8 24. Rxb1 f3 $16) 23... Rfxd8 24. Bxa8 Rxa8 25. Nxb1 Nxe2+ 26. Kh1 f3 27. Bd6 Ra2 28. b6 {Threatens to win with b7.} Rb2 29. c5 e4 {[#]} (29... Nd4 $142 30. Na3 Nc6) 30. Nd2 $1 {[%mdl 576] Hoping for Nc4. Promotion} Rxd2 (30... Nd4 $142 31. Nxe4 g5) 31. b7 Nc3 32. b8=Q Nd1 33. Qb1 Nxf2+ {[#]} 34. Rxf2 $1 Rxf2 35. c6 Re2 36. Qd1 Re3 37. c7 Rc3 38. Kg1 h5 39. Bf4 g5 40. Bxg5 Rxc7 41. Qd5 Rc3 42. Qxe4+ {White mates.} Kg8 43. Qe8+ Kh7 44. Qxh5+ Kg8 45. Qe8+ Kh7 46. Qe4+ Kg8 47. Kf2 {Accuracy: White = 72%, Black = 18%.} 1-0

[Event "Chigorin Memorial 2019"]
[Site "Saint Petersburg"]
[Date "2019.10.09"]
[Round "5.5"]
[White "Nesterov, Arseniy"]
[Black "Kryakvin, Dmitry"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2484"]
[BlackElo "2608"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,22,0,0]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Bf4 Nh5 9. Bd2 Nhf6 10. Bf4 Nh5 11. Bd2 Nhf6 {Predecessor:} 12. Rc1 $146 a5 13. a3 h6 14. e3 Re8 15. b3 a4 16. b4 Ne4 17. c5 Bf6 18. Nc3 e5 19. Nxe4 dxe4 20. Nxe5 Nxe5 21. dxe5 Bxe5 {½-½ (70) Ding,L (2811)-Alekseenko,K (2671) Khanty-Mansiysk 2019} 1/2-1/2

[Event "Chigorin Memorial 2019"]
[Site "Saint Petersburg"]
[Date "2019.10.09"]
[Round "5.6"]
[White "Kokarev, Dmitry"]
[Black "Zhao, Yuanhe"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2593"]
[BlackElo "2473"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,127,18,24,33,35,37,28,17,22,33,18,0,28,28,35,27,49,49,31,42,51,18,14,20,31,0,1,-10,-10,-9,0,0,20,19,26,12,22,4,14,0,14,8,22,25,73,66,97,101,133,132,134,131,176,176,164,172,185,172,239,130,178,162,231,205,228,219,326,255,342,324,306,313,405,399,464,273,490,479,479,492,492,490,486,486,518,477,595,547,575,546,1008,999,4952,4943,5808,6083,29976,29977,29976,29977,5620,814,791,771,761,709,697,691,684,669,630,588,588,587,579,572,572,572,549,529]} 1. c4 c6 2. g3 d5 3. Nf3 g6 4. Qa4 Nd7 5. cxd5 cxd5 6. Bg2 {A11: English Opening: 1...c6} Bg7 7. Nc3 Ngf6 8. O-O {White has an edge.} O-O 9. d3 Nc5 10. Qh4 Ne6 $146 ({Predecessor:} 10... h5 11. h3 b6 12. Be3 {1-0 (42) Movsesian,S (2677)-Bures,J (2384) Czech Republic 2017}) 11. Bh6 Bxh6 12. Qxh6 d4 13. Ne4 Nxe4 14. dxe4 Qb6 $1 15. Rad1 Qxb2 16. Rd2 Qb6 {[#]} 17. h4 {Played: Rd2xd4} 1-0

[Event "Chigorin Memorial 2019"]
[Site "Saint Petersburg"]
[Date "2019.10.09"]
[Round "5.7"]
[White "Yuffa, Daniil"]
[Black "Yanchenko, Roman"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2577"]
[BlackElo "2454"]
[Annotator "RC"]
[PlyCount "133"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:01:31]} Nf6 {[%emt 0:03:18]} 2. c4 {[%emt 0:00:08]} e6 {[%emt 0:00:03]} 3. g3 {[%emt 0:00:07]} d5 {[%emt 0:00:06]} 4. Bg2 {[%emt 0:00:03]} Bb4+ {[%emt 0:00:03]} 5. Nd2 {[%emt 0:00:05]} O-O {[%emt 0:00:15]} 6. Ngf3 {[%emt 0:00:04]} c6 {[%emt 0:05:19]} 7. O-O {[%emt 0:00:35]} Nbd7 {[%emt 0:00:03]} 8. Qc2 {[%emt 0:02:25]} b5 {[%emt 0:11:39]} 9. c5 {[%emt 0:06:06]} Bxd2 {[%emt 0:00:37]} 10. Bxd2 {[%emt 0:01:27]} Re8 {[%emt 0:00:36]} 11. Bf4 {[%emt 0:02:59]} a5 {[%emt 0:03:29]} 12. Rac1 {[%emt 0:10:16]} Ba6 {[%emt 0:03:05]} 13. Bd6 {[%emt 0:02:49]} b4 {[%emt 0:01:33]} 14. Ne5 {[%emt 0:03:14]} Nxe5 {[%emt 0:02:31]} 15. dxe5 {[%emt 0:00:43]} Nd7 {[%emt 0:00:09]} 16. Rfe1 {[%emt 0:03:31]} f5 {[%emt 0:01:04]} 17. exf6 {[%emt 0:00:34]} Qxf6 {[%emt 0:00:11]} 18. e4 {[%emt 0:00:14]} Qg6 {[%emt 0:01:49]} 19. Qd2 {[%emt 0:06:41]} Nf6 {[%emt 0:00:44]} 20. e5 {[%emt 0:04:41]} Ne4 {[%emt 0:06:45]} 21. Qd4 {[%emt 0:00:53]} Ng5 {[%emt 0:00:10]} 22. Re3 {[%emt 0:02:20]} Ra7 {[%emt 0:01:15]} 23. h3 {[%emt 0:09:45]} Bb5 {[%emt 0:09:49]} 24. f3 {[%emt 0:05:02]} h5 {[%emt 0:01:59]} 25. Kh2 {[%emt 0:01:51]} Nf7 {[%emt 0:00:39]} 26. a3 {[%emt 0:01:28]} Nh6 {[%emt 0:01:51]} 27. g4 {[%emt 0:00:18]} Rf7 {[%emt 0:02:11]} 28. axb4 {[%emt 0:04:08]} axb4 {[%emt 0:00:06]} 29. Rb3 {[%emt 0:01:52]} Qg5 {[%emt 0:00:28]} 30. Qe3 {[%emt 0:00:37]} Qxe3 {[%emt 0:02:36]} 31. Rxe3 {[%emt 0:01:32]} Ra8 {[%emt 0:00:03]} 32. Rb3 {[%emt 0:05:42]} Rf4 {[%emt 0:00:55]} 33. Kg3 {[%emt 0:03:39]} Rd4 {[%emt 0:00:06]} 34. Be7 {[%emt 0:02:09]} Ra2 {[%emt 0:01:08]} 35. Bf1 {[%emt 0:02:50]} Ba4 {[%emt 0:03:52]} 36. Rd3 {[%emt 0:00:12]} Rxd3 {[%emt 0:00:07]} 37. Bxd3 {[%emt 0:00:03]} Rxb2 {[%emt 0:01:09]} 38. Ra1 {[%emt 0:00:04]} Bc2 {[%emt 0:00:05]} 39. Bxc2 {[%emt 0:00:59]} Rxc2 {[%emt 0:00:03]} 40. Ra8+ {[%emt 0:06:31]} Kh7 {[%emt 0:02:09]} 41. Ra7 {[%emt 0:01:56]} hxg4 {[%emt 0:01:02]} 42. hxg4 {[%emt 0:00:25]} Kg8 {[%emt 0:13:00]} 43. Rb7 {[%emt 0:00:49]} Rc3 {[%emt 0:04:44]} 44. Rxb4 {[%emt 0:04:02]} Nf7 {[%emt 0:00:04]} 45. Kf4 {[%emt 0:01:26]} Rc4+ {[%emt 0:02:50]} 46. Rxc4 {[%emt 0:00:02]} dxc4 {[%emt 0:00:02]} 47. Ke3 {[%emt 0:02:11]} c3 {[%emt 0:02:23]} 48. f4 {[%emt 0:01:06]} Nh6 {[%emt 0:00:02]} 49. Kd3 {[%emt 0:00:31]} Nxg4 {[%emt 0:00:11]} 50. Kxc3 {[%emt 0:00:04]} Ne3 {[%emt 0:00:50]} 51. Bg5 {[%emt 0:00:56]} Kf7 {[%emt 0:00:14]} 52. Kb4 {[%emt 0:00:40]} Ke8 {[%emt 0:00:15]} 53. Ka5 {[%emt 0:00:22]} Kd7 {[%emt 0:00:36]} 54. Kb6 {[%emt 0:00:36]} Nc4+ {[%emt 0:00:21]} 55. Kb7 {[%emt 0:00:37]} Nb2 {[%emt 0:00:05]} 56. f5 {[%emt 0:00:24]} exf5 {[%emt 0:00:19]} 57. e6+ {[%emt 0:00:25]} Kxe6 {[%emt 0:00:04]} 58. Kxc6 {[%emt 0:00:01]} Nc4 {[%emt 0:06:50]} 59. Bf4 {[%emt 0:00:06]} Na5+ {[%emt 0:01:40]} 60. Kb6 {[%emt 0:01:23]} Kd5 {[%emt 0:00:09]} 61. Kxa5 {[%emt 0:00:20]} Kxc5 {[%emt 0:00:02]} 62. Bg5 {[%emt 0:00:19]} Kd4 {[%emt 0:00:17]} 63. Kb4 {[%emt 0:00:08]} g6 {[%emt 0:01:14]} 64. Bh6 {[%emt 0:00:48]} Ke4 {[%emt 0:00:10]} 65. Kc3 {[%emt 0:00:04]} f4 {[%emt 0:00:11]} 66. Kd2 {[%emt 0:00:16]} Kf3 {[%emt 0:00:06]} 67. Ke1 {[%emt 0:00:08]} 1/2-1/2

[Event "Chigorin Memorial 2019"]
[Site "Saint Petersburg"]
[Date "2019.10.09"]
[Round "5.8"]
[White "Sivuk, Vitaly"]
[Black "Korchmar, Vasiliy"]
[Result "1-0"]
[ECO "E52"]
[WhiteElo "2559"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,121,18,8,17,16,24,17,19,0,0,0,9,0,3,0,5,0,0,0,0,0,0,11,14,0,33,0,0,0,0,0,0,-16,0,-42,-25,-37,-12,-72,-59,-58,-31,-155,-3,0,0,0,4,2,54,61,54,57,67,80,68,20,51,70,69,18,19,21,18,18,21,18,18,18,18,18,21,20,21,21,22,0,62,63,81,89,233,233,233,233,233,233,241,239,234,230,216,176,190,187,189,185,177,176,169,150,559,559,545,544,2598,497,465,458,369,356]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 $146 ({Predecessor:} 4... O-O 5. Bd3 d5 {1-0 (42) Werle,J (2514)-Agdestein,S (2620) Fagernes 2015}) 5. Nf3 O-O 6. Bd3 b6 7. O-O Ba6 {E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6} 8. cxd5 exd5 9. Bxa6 Nxa6 {The position is equal.} 10. Qa4 Qc8 11. Bd2 Re8 12. Rac1 Bf8 13. Rfd1 c5 14. Be1 Nc7 {[%cal Ba6c7,Bc7e6,Be6c5,Bc5b3][%mdl 32]} 15. dxc5 bxc5 16. Qc2 Qb7 17. Ne2 {[%cal Bc3e2,Be2g3,Bg3f5,Bf5d6][%mdl 32]} Ne6 18. Ng3 Rac8 19. Qb1 c4 20. Qf5 Bb4 21. Bxb4 Qxb4 22. Qc2 Nc5 23. Nf5 {White wants to play Nd6.} Rb8 24. b3 {[%cal Rb3c4]} cxb3 25. axb3 (25. Qb2 $1 $11 {remains equal.}) 25... Nxb3 $17 26. Rb1 Qe4 27. Qxe4 ({Better is} 27. Qa2 $15 Qxf5 28. Rxb3) 27... dxe4 $2 (27... Nxe4 $17 28. Rf1 a5) 28. Nd6 $11 Rf8 29. Ne5 {Threatens to win with Nc6.} Nc5 30. Ra1 a6 (30... Ne8 $11) 31. Nc6 $14 {[%mdl 1024] White has compensation.} Ra8 32. Ra5 Ne6 33. Rda1 Nc7 34. h3 g6 35. g4 h6 36. Rb1 (36. R1a4 $14) 36... Nb5 $11 37. Nxb5 axb5 38. Raxb5 Ra6 39. Nd4 Rfa8 40. Kg2 Kg7 41. Rb7 R6a7 42. Kg3 Rxb7 43. Rxb7 {[%mdl 4096] Endgame KRN-KRN} Ra6 44. h4 Ra1 ({Black should play} 44... h5 $11) 45. g5 $14 Nh5+ 46. Kg2 hxg5 (46... Ra5 $16) 47. Ne6+ $1 $18 ({Weaker is} 47. hxg5 Ra5 $11) 47... Kf6 48. Nxg5 {[%mdl 64] Double Attack} Kf5 49. Rxf7+ Kg4 50. Nxe4 Kxh4 51. Rb7 Ra4 52. Kf3 {Black must now prevent Rb1.} g5 {[#] ...g4+ would now be nice for Black.} 53. Re7 $1 g4+ {[#]} 54. Kg2 $1 Rb4 55. Re5 {And now Ng3 would win.} Rb2 56. Rd5 {Strongly threatening Rd1.} g3 $2 {[#]} (56... Rb4 $16 {is a better chance.}) 57. Nxg3 $1 {[%mdl 512]} Nf6 (57... Nxg3 58. Rd4+) 58. Rf5 Rb6 59. Kf3 (59. f4 $142 Nh7 60. Kf3) 59... Ra6 60. Rf4+ Kg5 61. Ne4+ {Accuracy: White = 56%, Black = 49%.} 1-0

[Event "Chigorin Memorial 2019"]
[Site "Saint Petersburg"]
[Date "2019.10.09"]
[Round "5.9"]
[White "Gagare, Shardul"]
[Black "Vorobiov, Evgeny E."]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "2474"]
[BlackElo "2555"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,90,31,36,48,93,25,30,16,72,70,64,66,102,105,102,94,89,49,47,48,39,22,22,17,78,61,292,0,85,58,113,37,83,51,51,56,55,55,47,0,0,0,0,0,0,0,0,0,0,-854,-836,-12833,-12834,-12834,-12835,-12835,-12836,-12832,-12833,-12838,-12839,-12839,-12839,-29985,-29986,-29986,-29987,-29997,-29998]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Qb6 10. c4 Ne3 11. Qd3 Nf5 12. g4 Nd4 13. Bg2 {B45: Sicilian Four Knights} Bb7 {[#]} (13... h5 14. g5 h4 15. Nc3 Bb7 16. Bd2 c5 17. Bxb7 Qxb7 18. O-O-O Rb8 19. b3 d5 20. cxd5 exd5 {1-0 (37) Bartel,M (2609)-Pavlov,S (2485) Batumi 2018}) 14. Bd2 (14. b4 $1 $16 {[%mdl 512]}) 14... c5 $11 15. O-O-O {White has an edge.} Rb8 (15... d6 $11) 16. Bc3 $16 {[%cal Rc3d4]} Bxe4 $146 ({Predecessor:} 16... d5 17. exd6 Bxe4 18. Qxe4 Bxd6 19. f5 Bf4+ 20. Kb1 e5 {½-½ (34) Majcher,M (2163)-Dinckel,J (2066) Rewal 2007}) 17. Bxe4 Rd8 18. f5 h5 19. Bxd4 cxd4 20. g5 (20. Qxd4 Qxd4 21. Rxd4 Bc5 $15) 20... exf5 21. Bxf5 g6 22. Be4 {Rhf1 is the strong threat.} Bg7 23. Bd5 {Strongly threatening Rhf1.} Rb8 {[#]} (23... O-O $1 $11) 24. Rd2 $1 Bxe5 $2 ({Better is} 24... O-O $14) 25. Re2 $2 ({White has to play} 25. Re1 $18 d6 26. Rf1) 25... Kd8 (25... O-O $1 $11 {keeps the balance.}) 26. Rf1 f6 {[#]} (26... Rf8 $14) 27. Rff2 ({Don't play} 27. Qxg6 $6 d3 $14) ({White should play} 27. Kb1 $1 $16) 27... h4 28. gxf6 Bxf6 29. Qxg6 d3 30. Qxd3 Bd4 31. Rg2 (31. Rf7 $5 {[%cal Rc1d1]} Bxb2+ 32. Kd1 $16) 31... h3 32. Rg6 Bxb2+ 33. Kd1 Qb4 34. Bc6 {[%csl Gc6][%cal Rd3d7]} Bd4 $1 {aiming for ...Rf8.} 35. Bb5 Rf8 $40 {[%mdl 128] ( -> ...Rf1+). Black has some attack.} 36. Qb3 $2 {[%mdl 8192] [#]} (36. Qxd4 Rf1+ 37. Kc2 Qb1+ 38. Kc3 Rc1+ 39. Kd2 Rd1+ 40. Kc3 Qa1+ 41. Kb4 Qxd4 $19) (36. Rd2 $11 Rf1+ 37. Qxf1 Qb1+ {[%mdl 64] Double Attack} 38. Ke2 Qe4+ 39. Kd1 Qb1+ 40. Ke2 Qe4+ 41. Kd1 Qb1+) 36... Rxb5 $1 $19 {[%mdl 512]} 37. cxb5 Rf1+ 38. Kc2 Qc5+ 39. Kd2 {[#]} Bc3+ $1 {[%mdl 576] Deflection} 40. Qxc3 Qd5+ {[%mdl 64] Double Attack} 41. Kc2 Qd1+ {[%mdl 64] Double Attack} 42. Kb2 Qxe2+ {[%mdl 64] Double Attack} 43. Qc2 Qxb5+ {Black mates.} 44. Qb3 Rf2+ {[%mdl 64] Double Attack} 45. Ka1 Qe5+ {[%mdl 64] Double Attack. Accuracy: White = 29%, Black = 49%.} 0-1

[Event "Chigorin Memorial 2019"]
[Site "Saint Petersburg"]
[Date "2019.10.09"]
[Round "5.10"]
[White "Iljiushenok, Ilia"]
[Black "Vlasenko, Miroslav"]
[Result "1/2-1/2"]
[ECO "B04"]
[WhiteElo "2540"]
[BlackElo "2423"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.10.05"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,53,66,52,98,84,72,83,106,105,119,114,93,68,52,13,36,23,43,29,35,-16,-16,-16,-10,-41,-16,-117,0,-16,0,-129]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Qe2 Nc6 8. a4 a5 9. h3 O-O 10. O-O dxe5 11. dxe5 Nd4 12. Nxd4 Qxd4 13. Re1 Be6 {B04: Alekhine's Defence: 4 Nf3} 14. Bxe6 fxe6 {[#]} 15. Nd2 $1 Nd5 {White is better.} 16. Nf3 Qb6 17. Ra3 $146 {[%cal Ba1a3,Ba3e3,Be3e4][%mdl 32]} ({Predecessor:} 17. c4 Nb4 18. Be3 c5 19. Ng5 Qc6 20. Rad1 Bh6 21. Rd2 {0-1 (46) Banawa,J (2363)-Durarbayli,V (2608) Saint Louis 2016}) 17... c5 18. c4 Nb4 $1 19. Re3 Nc6 20. Re4 Rad8 21. Be3 Rf5 22. g4 (22. h4 $14) 22... Rff8 $11 23. Kg2 Nb4 24. Bg5 Rf7 25. Be3 (25. Ra1 $11 {keeps the balance.}) 25... Rff8 (25... Qc6 $17 26. Bd2 Rdf8 27. Bxb4 cxb4) 26. Bg5 Rf7 ({Black should play} 26... Rd3 $11 27. Rf4 Re8) 27. Be3 {Accuracy: White = 47%, Black = 46%.} 1/2-1/2

