[Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "1"] [White "Mamedyarov, Shakhriyar"] [Black "Shankland, Sam"] [Result "1-0"] [ECO "D46"] [WhiteElo "2782"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "139"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,139,0,0,0,0,-7,0,0,9,6,23,8,66,46,63,50,59,54,92,37,60,44,46,7,20,13, 24,14,41,2,2,4,54,15,95,93,157,77,93,50,125,118,296,296,688,150,175,167,303, 303,300,296,293,289,289,277,280,282,333,254,280,280,275,237,251,250,248,242, 581,351,339,116,275,261,254,249,237,223,294,283,297,294,334,334,350,349,349, 341,486,459,424,372,425,339,387,387,387,346,387,371,375,339,332,332,332,331, 323,323,322,304,304,306,329,322,322,325,12843,489,475,452]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bd6 9. O-O O-O 10. a3 Bb7 11. Qc2 Rc8 12. b4 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran.} a5 13. Rb1 {13.Qb3 is vanishing.} c5 {[#]} 14. Nxb5 $5 $146 {[%mdl 8] The position is equal. New and interesting.} ({Predecessor:} 14. bxc5 Bxf3 15. gxf3 Nxc5 16. dxc5 Rxc5 17. Rxb5 Nd5 18. Rxc5 Qg5+ 19. Kh1 Qh5 20. f4 Qf3+ 21. Kg1 Qg4+ 22. Kh1 Qf3+ 23. Kg1 {1/2-1/2 (23) Mamedyarov,S (2762)-Gelfand,B (2743) Tashkent 2016}) 14... cxb4 15. Qe2 Be7 16. e4 bxa3 ({Black should play} 16... Qb6 $11) 17. Bxa3 $14 Bxa3 18. Nxa3 Ba8 19. Nb5 Rb8 20. Rfd1 (20. Rfc1 $16) 20... Qe7 21. h3 g6 22. Qe1 a4 23. Rdc1 Rfc8 24. Nd2 Nb6 25. Rxc8+ (25. Nc3 $5 {[%CAl Rb1b6]}) 25... Rxc8 26. e5 Nfd5 27. Nd6 Rb8 (27... Rf8 $11 { keeps the balance.}) 28. N2e4 $36 {[%mdl 2048] White is in control.} Qa7 (28... Rf8 $142) 29. Nb5 (29. Qc1 $142 {aiming for Qh6.} Qe7 30. Bb5) 29... Qe7 30. Bf1 Bc6 (30... Rf8 $14) 31. Nbd6 Qa7 $2 (31... Ra8 $16) 32. Qc1 $18 Be8 (32... Qc7 33. Qh6 Qe7) 33. Ra1 $2 (33. Nf6+ $18 Nxf6 34. exf6) 33... Kg7 34. h4 Nd7 ( 34... h5 $142 35. g3 Ra8) 35. Bb5 Qxd4 {Strongly threatening ...Rxb5!} 36. Rxa4 Qxe5 37. Nxe8+ Rxe8 38. Bxd7 Rd8 39. Bc6 Rc8 40. Ng3 Nb6 41. Ra2 Nd5 42. Rc2 Nb4 43. Rc4 Nd3 44. Qd2 Qa1+ $2 (44... Qe1+ {is a better chance.} 45. Qxe1 Nxe1 ) 45. Nf1 Ne5 {[#]} 46. Rc1 (46. Ra4 $1 $18 {[%CAl Ra4a1] and the rest is easy. } Qb1 {[#]} 47. Qd4 $1) 46... Qa7 (46... Qa3 $16 {was called for.}) 47. Be4 Rxc1 48. Qxc1 Qd4 49. Qe3 Qa1 50. Bf3 h5 51. Be2 Nd7 52. g3 Nf6 53. Bf3 Nd7 54. Kg2 Ne5 (54... Qe5 {keeps fighting.} 55. Qd3 Nf6) 55. Nd2 Qb2 56. Be2 Nd7 57. Nc4 Qa1 58. Bf3 Kg8 59. Qd2 Nf6 60. Qd8+ Kg7 61. Nd6 Qa7 62. Qc8 Qe7 63. Qc5 { Hoping for Nf5+!} Kf8 64. Qe5 Kg8 65. Bc6 Ng4 66. Qd4 Qc7 67. Bf3 Nh6 68. Ne8 { [%csl Ge8][%CAl Rd4g7]} e5 $2 (68... Nf5 69. Nf6+ Kf8) 69. Nxc7 (69. Qd2 $142 Qe7 70. Qxh6 Qxe8 71. Bd5) 69... exd4 70. Be4 {Weighted Error Value: White=0. 40/Black=0.48} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "1"] [White "Rapport, Richard"] [Black "Nakamura, Hikaru"] [Result "1/2-1/2"] [ECO "E36"] [WhiteElo "2763"] [BlackElo "2736"] [Annotator "TA"] [PlyCount "44"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,44,8,17,13,16,11,4,4,0,0,0,0,0,8,0,0,0,10,15,8,16,8,17,17,14,14,18, 16,17,9,0,0,0,17]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d5 7. Bg5 {The position is equal.} dxc4 {E36: Nimzo-Indian: Classical: 4...d5 5 a3.} 8. Qxc4 b6 9. Rd1 Ba6 10. Qa4 h6 {10...h6 is better than 10...Qd7.} 11. Bh4 Qe7 12. Nf3 Rd8 13. e3 Bxf1 14. Rxf1 c5 15. dxc5 {Black should prevent Bxf6.} Rxd1+ 16. Qxd1 g5 {[#]} 17. Bg3 $146 ({Predecessor:} 17. Nxg5 hxg5 18. Bxg5 Nbd7 19. Qf3 Rc8 20. c6 Qc5 21. Bxf6 Qc1+ 22. Ke2 Qc2+ 23. Ke1 Qc1+ 24. Ke2 Qc2+ 25. Ke1 Qc1+ {1/2-1/2 (25) Wang,H (2763)-Wei,Y (2732) Chess.com INT 2020}) 17... Qxc5 18. Qd8+ {[%mdl 64] [#] Double Attack} Kg7 {aiming for ... Nc6.} 19. Be5 Qc1+ 20. Ke2 Qc4+ 21. Ke1 Qc1+ 22. Ke2 Qc4+ {Not much happened in this game. Weighted Error Value: White=0.02/Black=0.01} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "1"] [White "Dominguez Perez, Leinier"] [Black "So, Wesley"] [Result "1/2-1/2"] [ECO "C54"] [WhiteElo "2758"] [BlackElo "2772"] [Annotator "TA"] [PlyCount "93"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,93,15,31,9,14,3,14,5,11,15,7,11,10,8,21,10,11,13,18,16,27,11,6,0,0,0, 20,15,22,20,17,18,25,-49,-49,-49,-52,-68,-49,-83,-70,-135,-83,-88,-96,-256, -105,-121,0,-76,-48,-68,0,-129,-124,-116,-125,-133,-119,-216,-208,-174,18,0,0, 0,0,0,0,0,0,0,8,8,8,-253,-249,-602,0,0,0,-551,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. O-O h6 7. b4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Bb6 8. Nbd2 O-O 9. Re1 Ne7 10. Bb3 c6 11. a4 { [%CAl Ba2a4,Ba4a5][%mdl 32]} Ng6 12. a5 Bc7 {[#]} 13. d4 $146 ({Predecessor:} 13. Nf1 d5 14. Bd2 Be6 15. Ng3 Qd7 16. exd5 Nxd5 17. Ne4 Bg4 18. h3 Bxh3 19. gxh3 Qxh3 {1-0 (40) Conquest,S (2549)-D'Amore,C (2483) Porto Mannu 2009}) 13... Re8 14. dxe5 dxe5 15. Qc2 Nh7 16. Bc4 Qf6 17. g3 Bh3 18. Be2 Nf4 19. Bf1 $1 Bxf1 20. Nxf1 Ne6 21. Kg2 Rad8 22. h4 (22. Ne3 $11) 22... Qg6 $15 23. Kh1 Nf6 24. N1h2 Rd7 25. Bb2 Red8 26. c4 (26. Qe2 $15) 26... Ng4 ({Better is} 26... c5 $1 27. bxc5 Nxc5 28. Bxe5 Nd3 29. Bxc7 Nxe1 30. Rxe1 Rxc7) 27. Nxg4 Qxg4 28. Ra3 (28. Re3 $17) 28... g5 (28... c5 $1 $19 {[%CAl Rc5b4] and Black stays clearly on top.} 29. Bxe5 cxb4 30. Bxc7 bxa3) 29. Bc1 $17 Kh7 (29... gxh4 $17 30. gxh4 Qh3+ 31. Nh2 Qxh4) 30. Nh2 (30. hxg5 $11 hxg5 31. Kg2) 30... Qh5 { White must now prevent ...Rd1.} 31. g4 Qxh4 ({Black should try} 31... Qg6 $15 32. h5 Qf6) 32. Kg2 (32. Rg3 $1 $11) 32... Nf4+ $1 33. Bxf4 gxf4 ({But not} 33... exf4 $2 34. e5+ Kg8 35. Qf5 $18) 34. Rh3 Qg5 35. Nf3 (35. c5 $17) 35... Qxg4+ $19 36. Kh2 {[#]} f6 $2 (36... Rd2 $1 $19 {[%CAl Rd2c2][%mdl 512]} 37. Qxd2 (37. Nxd2 {is a self mate.} Rg8 38. Rg3 fxg3+ 39. Kg2 gxf2+ 40. Kxf2 Qg2+ 41. Ke3 Rg3+ 42. Nf3 Rxf3#) 37... Rxd2 38. Nxd2 Bd8) 37. Rg1 $36 {[%mdl 2048] White fights for an advantage.} Qe6 38. Qe2 {Nh4 is the strong threat.} Rg8 39. Rxg8 Qxg8 40. Nh4 $1 Rg7 $1 41. Qf3 {Strongly threatening Nf5!} Qxc4 {aiming for ...Qf1.} 42. Nf5 Rg6 {Hoping for ...Qf1.} 43. Ne7 $2 {[%mdl 8192]} (43. Qd1 $11 {and White stays safe.} Qg8 44. Qd7+ {[%mdl 64] Double Attack} Kh8 45. Rh4 (45. Qxc7 $2 {gets mated.} Rg2+ {[%mdl 64] Double Attack} 46. Kh1 Rg1+ 47. Kh2 Qg2#)) 43... Rg5 $19 44. Nf5 $2 (44. Qb3 Qxb3 45. Rxb3) 44... Rg6 (44... Rxf5 45. exf5 e4 46. Qd1 (46. Qxe4 f3+ $19) 46... f3+ 47. Kh1 Qd5 48. Qxd5 cxd5 49. Rh4 a6 $19) 45. Ne7 Rg5 46. Nf5 {[#]} Rg6 (46... Rxf5 $1 $19 47. exf5 e4) 47. Ne7 {Weighted Error Value: White=0.42/Black=0.53} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "1"] [White "Svidler, Peter"] [Black "Caruana, Fabiano"] [Result "1-0"] [ECO "C54"] [WhiteElo "2714"] [BlackElo "2806"] [Annotator "TA"] [PlyCount "89"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,88,17,18,26,19,25,13,12,25,15,10,9,9,11,17,12,19,30,33,34,57,62,133, 115,141,135,134,138,129,124,132,119,133,158,152,116,109,104,285,310,339,333, 337,314,544,531,547,515,508,368,362,346,408,361,349,342,327,202,230,237,496, 500,485,493,459,386,608,607,595,566,678,669,795,780,1213,1190,29986,994,29999] } 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 Bc5 6. O-O d6 {6...d6 scores better than 6...0-0.} 7. b4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Bb6 8. Nbd2 O-O 9. Re1 {The position is equal.} Ne7 10. Bb3 Ng6 {[#] } 11. a4 $146 {[%CAl Ba2a4,Ba4a5][%mdl 32] a5 is the strong threat.} ({ Predecessor:} 11. Nf1 Nh5 12. a4 a6 13. d4 Qf6 14. Ne3 Nhf4 15. Bb2 Re8 16. Bc2 Be6 17. c4 exd4 18. Nxd4 {1-0 (54) Natacheev,P (2246)-Abelguzin,D (2150) Samara 2014}) 11... c6 12. a5 Bc7 13. d4 Re8 14. dxe5 Nxe5 15. Nxe5 Rxe5 16. Bb2 d5 (16... Bg4 $14 17. f3 Bc8) 17. c4 $1 $16 Bg4 18. f3 Be6 19. cxd5 cxd5 20. f4 $1 {[%CAl Rf4e5]} Bg4 21. Qc2 Re8 {[#]} 22. e5 $1 {[%CAl Re5f6]} Nh5 23. Rf1 g6 24. Qd3 Ng7 $2 {This costs Black the game.} (24... b6 $16) (24... Be6) 25. Bxd5 $18 (25. Qxd5 Be6 $16) 25... Be6 {[#]} 26. Ne4 $1 Nh5 27. Rad1 Qh4 $2 (27... Bxd5 28. Qxd5 Qxd5 29. Rxd5 Rad8) 28. Bxe6 Rxe6 29. g3 Qe7 30. f5 gxf5 31. Nc5 ({Less strong is} 31. Rxf5 Bxe5 32. Bxe5 (32. Rxh5 Bxb2 33. Rh4 Be5 $14 ) 32... Rxe5 $18) 31... Rg6 32. Rxf5 Ng7 33. Rf6 Rd8 34. Qf3 {Black must now prevent Rf1.} Rxd1+ 35. Qxd1 Bxe5 $2 (35... b6 {was called for.}) 36. Rxg6 Bxb2 37. Rd6 Nf5 38. Rd7 Qe5 (38... Bd4+ $142 39. Kh1 (39. Rxd4 Qe3+ {[%mdl 64] Double Attack} 40. Kf1 Nxd4 $11) 39... Qe3) 39. Qg4+ Kf8 {And now ...Qe1+ would win.} 40. Qf4 Bd4+ 41. Kf1 Ne3+ 42. Ke2 {[%csl Gd7][%CAl Rf4f7]} Qh5+ 43. g4 Nxg4 44. Rd8+ (44. Ne6+ $142 Kg8 45. Rd8+ Kh7 46. Qe4+ {[%mdl 64] Double Attack} Qg6 47. Nf8+ {[%mdl 64] Double Attack, Pin} Kg7 48. Nxg6 Bf6 49. Ne7) 44... Ke7 (44... Kg7 45. Rxd4 $18) 45. Qd6# {Weighted Error Value: White=0.12/ Black=0.75} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "1"] [White "Le, Quang Liem"] [Black "Xiong, Jeffery"] [Result "1-0"] [ECO "C01"] [WhiteElo "2709"] [BlackElo "2710"] [Annotator "TA"] [PlyCount "93"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,93,1,12,-1,19,3,5,-4,0,0,0,-11,4,-26,1,-33,-24,-16,-15,-37,-35,-56, -65,-89,-94,-103,-101,-112,-70,-69,-61,-66,-57,-64,-52,-77,0,-20,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,14,11,111,113,117,96,88,88,88,88,891,898,899, 879,790,779,2368,2308,29986,29987]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nf6 6. Nge2 O-O 7. O-O c6 8. Bg5 {8.h3 gains popularity. C01: French: Exchange Variation.} Bg4 9. f3 Bh5 10. a3 $5 {[%mdl 4] The position is equal. Exploring less charted territory.} Bd6 11. Qd2 Nbd7 {[%CAl Bb8d7,Bd7b6,Bb6c4, Bc4d2][%mdl 32] [#]} 12. Rae1 $146 ({Predecessor:} 12. Bf4 Qc7 13. Bxd6 Qxd6 14. Qf4 Qxf4 15. Nxf4 Rfe8 16. Nxh5 Nxh5 17. Rfe1 Nf4 18. Bf1 {1/2-1/2 (39) Frydendal,O (1774)-Marrocco,D ICCF email 2012}) 12... Bg6 13. Bf4 Nb6 14. g4 Re8 15. Bxd6 Qxd6 16. Ng3 Bxd3 17. Qxd3 Nc4 18. Nd1 (18. Nf5) 18... Qf4 19. Kg2 h5 20. h3 Nd2 21. Rxe8+ Rxe8 22. Rf2 Nc4 ({Don't blunder} 22... hxg4 $2 23. fxg4 Qg5 24. Rxd2 $18) 23. Re2 hxg4 24. hxg4 {[#]} g6 ({Better is} 24... Qc1 $1 $17 {White must now prevent ...Rxe2+.} 25. b3 Nxa3) 25. a4 Nb6 26. b3 Nbd7 27. Rxe8+ Nxe8 28. Qe3 Qxe3 29. Nxe3 $11 {[%mdl 4096] Endgame KNN-KNN} Nd6 30. Kf2 Kf8 31. Ke2 Ke7 32. Kd3 Nf8 33. c4 Ne6 34. Ne2 dxc4+ 35. bxc4 c5 36. d5 Ng5 37. Ng1 f5 38. f4 Ngf7 {[#]} (38... Nge4 $11 {remains equal.}) 39. g5 $1 $16 Ne4 40. Nf3 Nf2+ 41. Ke2 Ne4 42. Nh4 Nc3+ $2 {[%mdl 8192] A mistake that costs the game.} (42... Nh8 $16) 43. Kd3 $18 Nxa4 44. Nxg6+ Ke8 45. Nxf5 a5 46. Ne5 Nb6 47. g6 {Weighted Error Value: White=0.05/Black=0.27} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "2"] [White "Caruana, Fabiano"] [Black "Nakamura, Hikaru"] [Result "1/2-1/2"] [ECO "E48"] [WhiteElo "2806"] [BlackElo "2736"] [Annotator "TA"] [PlyCount "142"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 19,142,12,12,0,0,0,0,0,0,-9,0,-36,-25,-27,-3,-26,8,8,8,8,8,10,20,15,10, 8,11,14,12,5,8,0,8,0,0,0,18,18,18,18,29,25,47,41,116,24,27,12,18,18,54,19,22, 10,9,8,10,0,20,14,18,18,23,14,8,16,30,26,32,33,33,43,55,32,29,8,11,11,24,23,43, 24,20,0,4,4,4,4,4,3,6,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, 8,8,8,8,8,8]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nge2 d5 7. cxd5 cxd4 8. exd4 Nxd5 9. O-O Nc6 10. a3 {10.Nxd5 is becoming the main line.} Bd6 11. Re1 {E48: Nimzo-Indian: Rubinstein: 5 Bd3 d5 including 6 Ne2, but excluding 6 a3.} Re8 12. Bc2 {[#]} Qh4 $146 ({Predecessor:} 12... Bf8 13. Qd3 g6 14. Qg3 Bg7 15. Bg5 Qb6 16. Be4 Nce7 17. h4 Bd7 18. h5 Bc6 {0-1 (62) Ding,L (2791)-Gelfand,B (2676) chess24.com INT 2020}) 13. g3 Qh5 14. Ne4 (14. Be4 { feels hotter.} Bd7 15. Nxd5 exd5 16. Bg2 Bg4 17. Be3) 14... Bf8 15. N2c3 Qxd1 16. Rxd1 Rd8 17. Bg5 Be7 (17... Nxc3 {looks sharper.} 18. bxc3 f6 19. Bc1 Na5 20. Nd2 Bd7) 18. Nxd5 exd5 19. Bxe7 Nxe7 20. Nc3 Be6 21. f3 Rac8 22. Rac1 g6 23. Kf2 Kg7 24. Bb3 h5 25. h4 Rc6 {Hoping for ...Rb6.} 26. Ne2 Rb6 27. Rc3 Nc6 28. Rd2 Rd6 29. Nf4 Ne7 30. Ba4 Ra6 {[#]} 31. Rc7 $1 Kf6 (31... Rxa4 $14 32. Rxe7 b5) 32. Be8 ({White should play} 32. Nxe6 $16 Rxe6 33. Be8) 32... Rd8 $11 33. Bb5 Rb6 34. Ba4 Ra6 35. Bb3 Rb6 36. Ba2 Rdd6 37. Rc5 Rbc6 38. Rdc2 b6 39. R5c3 Rxc3 40. Rxc3 Rd7 41. Bb3 Nf5 42. Ne2 Ne7 43. Ba4 Rb7 44. Bb5 a5 45. Bd3 Rb8 46. Nf4 Rc8 47. Rxc8 (47. Rb3 {is more complex.} Rb8 48. Rb5 Rb7 49. Ke2 Rb8 50. Ke3) 47... Bxc8 {[%mdl 4096] Endgame KBN-KBN} 48. Bb5 Bb7 49. Bd7 Ng8 50. Ba4 Ne7 51. g4 {The position is equal.} hxg4 52. fxg4 g5 53. hxg5+ Kxg5 { [%mdl 64] [#] Double Attack} 54. Kg3 Bc8 55. Bd1 f5 {[%CAl Rf5g4]} 56. Nh3+ Kg6 $1 57. Nf4+ Kf6 58. Bf3 fxg4 59. Bxg4 Bxg4 60. Kxg4 {KN-KN} a4 61. Kf3 Kf5 62. Ke3 b5 $1 63. Ne2 Nc8 64. Nc3 Nd6 65. Nxd5 Nc4+ 66. Kd3 {And now Ne3+ would win.} Nxb2+ 67. Kc3 Nc4 68. Kb4 {Strongly threatening Nc3.} Ke4 69. Nc3+ Kxd4 70. Nxb5+ Kd3 71. Kxa4 Nxa3 {Weighted Error Value: White=0.08/Black=0.08} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "2"] [White "So, Wesley"] [Black "Mamedyarov, Shakhriyar"] [Result "1-0"] [ECO "C54"] [WhiteElo "2772"] [BlackElo "2782"] [Annotator "TA"] [PlyCount "106"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,106,0,0,10,15,-13,75,44,59,0,74,83,174,177,158,184,164,163,178,179, 170,170,164,163,186,190,179,159,160,154,153,105,191,166,324,300,317,289,372, 349,417,337,375,316,307,305,340,370,407,382,351,216,377,379,347,382,383,380, 382,382,375,373,372,361,341,322,644,642,647,637,638,630,621,585,558,552,546, 508,630,613,607,586,6079,6056,5762,5547,1832,1355,1035,999,824]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 O-O 10. Be3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Bd7 11. Bd3 {[#]} Ba5 $146 (11... Bg4 $11) ({Predecessor:} 11... Bg4 12. Nxe4 dxe4 13. Bxe4 Nxd4 14. O-O Bxf3 15. Bxf3 c6 16. Be4 Qh4 17. f4 Rad8 {1/2-1/2 (25) Kryvoruchko,Y (2678)-Adams,M (2740) Tromsoe 2013}) 12. Rc1 {White is better.} f6 13. Qb3 ({Better is} 13. exf6 $14 Qxf6 14. Qb3 Nxc3 15. bxc3) 13... Nxc3 ( 13... Bf5 $11 14. Be2 fxe5 15. dxe5 Bxc3+ 16. bxc3 Na5) 14. bxc3 $16 fxe5 $2 ( 14... Bg4 $16) 15. Qxd5+ $18 {[%mdl 64] Double Attack} Kh8 16. Nxe5 Bf5 17. Qxd8 Raxd8 18. Nxc6 bxc6 19. Bxf5 Rxf5 20. Ke2 Kg8 21. c4 {[%CAl Bc3c4,Bc4c5] [%mdl 32]} c5 22. dxc5 Re8 23. Rhd1 Rxc5 24. Rd5 Bb6 (24... Rxd5 $16 25. cxd5 Rd8) 25. Kd3 $1 Rc6 {[#]} (25... Rxd5+ 26. cxd5 Re5) 26. c5 $1 Ba5 27. Rc4 Rf6 28. Rd7 Be1 29. f3 Rf7 30. Rxf7 Kxf7 {[%mdl 4096] Endgame KRB-KRB} 31. Ra4 a5 32. Rf4+ Kg6 33. Rg4+ Kf7 34. Rd4 Bb4 $2 (34... c6 35. a3 Rb8 36. Rd7+ Kf8) 35. Rd7+ Re7 36. Rxe7+ Kxe7 {KB-KB} 37. Bd4 g6 38. Bc3 Bxc5 39. Bxa5 Kd6 40. Kc4 Bg1 41. h3 h5 $2 (41... Be3 42. Kb5 c6+ 43. Kc4 Bf4) 42. Bc3 {White is clearly winning.} Kc6 43. Bd4 Bh2 44. a4 Bd6 45. Bc3 Bg3 46. Bd2 h4 47. Bg5 Kb6 48. Kd5 Ka5 49. Ke6 Kxa4 50. Kf7 c5 51. Kxg6 c4 {[#]} 52. f4 $1 {[%CAl Rf4f5]} c3 53. f5 c2 {Weighted Error Value: White=0.14/Black=0.45} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "2"] [White "Svidler, Peter"] [Black "Dominguez Perez, Leinier"] [Result "1/2-1/2"] [ECO "C83"] [WhiteElo "2714"] [BlackElo "2758"] [Annotator "TA"] [PlyCount "69"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,69,7,10,0,0,0,0,0,0,0,0,0,0,0,6,-14,7,6,7,3,10,10,10,5,8,8,20,13,20, 20,20,18,21,9,17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Be3 Be7 10. c3 O-O 11. Nbd2 Bg4 {The position is equal.} 12. Re1 {C83: Open Ruy Lopez: 9 c3 Be7.} Nxe5 {And now ...Nd3 would win.} 13. Nxe4 Bxf3 14. Qxd5 Qxd5 15. Bxd5 Rad8 16. Bb7 { [#]} Bxe4 $146 ({Predecessor:} 16... f5 17. Nc5 Bxb7 18. Nxb7 Rd5 19. Bd4 Nc6 20. Na5 Nxa5 21. Rxe7 Rf7 22. Re8+ Rf8 23. Re7 Rf7 24. Re8+ Rf8 25. Re7 { 1/2-1/2 (25) Motylev,A (2668)-Matlakov,M (2710) Izhevsk 2019}) 17. Bxe4 Nc4 18. a4 Nxe3 19. Rxe3 {Threatening axb5.} Bc5 20. Re2 b4 21. cxb4 Bxb4 22. g3 a5 23. Rc1 Rd7 (23... f5 {with more complications.} 24. Bc2 Kh8 25. Bb3 Bd6 26. Rd2 f4 ) 24. Bc6 Re7 25. Rxe7 (25. Bf3 {is more complex.} Rxe2 26. Bxe2 Bd6 27. Kf1 g6 28. Bb5) 25... Bxe7 $11 {[%mdl 4096] Endgame KRB-KRB} 26. Bb5 Bd6 27. Re1 g6 28. Re8 (28. Rc1 {feels hotter.} Rd8 29. Kg2 h5 30. b3 h4 31. g4) 28... Rxe8 29. Bxe8 {KB-KB} Kg7 30. Bb5 Kg8 31. b3 Kg7 32. Bc4 Kf8 33. Bb5 Kg7 34. Bc4 Kf8 35. Bb5 {An uneventful encounter. Weighted Error Value: White=0.03/Black=0.03} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "2"] [White "Xiong, Jeffery"] [Black "Rapport, Richard"] [Result "1-0"] [ECO "A47"] [WhiteElo "2710"] [BlackElo "2763"] [Annotator "TA"] [PlyCount "125"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,125,-17,-11,-24,-16,-27,-6,-2,-4,-9,1,-21,6,10,17,16,15,3,0,0,16,0,0, -24,-6,-11,-20,-40,-52,-51,0,0,0,0,0,-67,-62,-81,-83,-66,-64,-71,-10,-10,-8, -92,-102,-83,17,10,19,0,139,139,180,17,48,32,38,45,39,0,0,2,34,34,28,28,35,28, 71,36,33,31,62,28,28,28,85,28,99,93,102,103,101,9,43,45,43,43,42,35,276,276, 272,272,272,272,29964,12801,12793,9772,29957,12822,29970,29973,29962,29959, 29995,29995,29995,29994,29996,29995,29997,29996,29996,674]} 1. d4 Nf6 2. Nf3 b6 3. Bg5 Bb7 4. Nbd2 e6 5. g3 Be7 6. Bg2 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems.} O-O 7. O-O h6 8. Bxf6 {The position is equal.} Bxf6 9. c3 d6 {[#]} 10. a4 $146 ({Predecessor:} 10. Re1 e5 11. Qc2 g6 12. Rad1 Qe7 13. e4 Nd7 14. Nc4 Rfd8 15. Ne3 c6 16. d5 {1/2-1/2 (60) Ascic,P (2347)-Brkic,A (2419) Rabac 2003}) 10... a5 11. e4 Nd7 12. Re1 e5 13. d5 g6 14. b4 Bg7 15. Bh3 Qe7 16. Nb3 Nf6 17. bxa5 bxa5 18. Rb1 c6 {[%CAl Rc6d5]} 19. c4 cxd5 ({Better is} 19... Qc7 $15) 20. cxd5 $11 Bc8 21. Bxc8 Rfxc8 22. Qd3 (22. Rc1 $11) 22... Qd7 $15 23. Qb5 Qxb5 $1 24. axb5 a4 25. b6 {b7 is the strong threat.} Rcb8 (25... axb3 $2 26. b7 $18) ({Black should try} 25... Ra6 $1 $17 26. Nbd2 Nd7) 26. Nbd2 $11 a3 27. Nc4 (27. Rb5 $11) 27... Ra4 $17 28. Nfd2 (28. Nxd6 $2 a2 $19) 28... Nd7 ({Black should play} 28... a2 $17 29. Ra1 Nd7) 29. Rb3 $11 Nc5 30. Rb5 Bf8 (30... f5 $11 {remains equal.}) 31. Ra1 $16 a2 32. Rb2 $2 ({Only move:} 32. Na5 $1 $18) 32... Nd7 33. Raxa2 Rxa2 34. Rxa2 {Black must now prevent Ra6.} Nxb6 35. Rb2 Nxc4 36. Nxc4 $11 {[%mdl 4096] Endgame KRB-KRN} Ra8 37. Rb6 Ra4 38. Rc6 Kg7 39. Kg2 Rb4 40. Kf3 (40. Nxd6 Bxd6 41. Rxd6 Rxe4 $11) 40... Rb3+ 41. Ke2 Rb4 42. Kd3 Rb3+ 43. Kd2 Rb4 (43... Rb1 $11) 44. f3 ({Much weaker is} 44. Nxd6 $6 Bxd6 45. Rxd6 Rxe4 $11) (44. Kc3 $16 Ra4 45. f4 (45. Nxd6 Bxd6 46. Rxd6 Rxe4 $11)) 44... f5 (44... Rb3 $1 $11 {keeps the balance.}) 45. Kc3 $16 (45. Nxd6 $6 Bxd6 46. Rxd6 fxe4 $11) 45... Ra4 46. exf5 ({Don't play} 46. Nxd6 $6 Bxd6 47. Rxd6 fxe4 $11) 46... gxf5 47. Nxd6 (47. Kb3 $1 $16 {[%CAl Rb3a4]} Ra1 48. Nxd6 Bxd6 49. Rxd6) 47... Ra3+ $11 48. Kc4 Rxf3 49. Rc7+ Kg6 50. Nf7 Bg7 {Black cannot hold the game after this.} (50... Re3 $14) 51. d6 $18 {Threatens to win with d7.} e4 {[#] With the idea ...Rd3.} 52. d7 $1 {[%CAl Rd7d8]} Rc3+ 53. Kd5 {aiming for Rxc3.} Rxc7 {[#]} (53... Rd3+ $18 54. Ke6 e3) 54. Ne5+ (54. d8=Q $142 $1 Rb7 55. Nd6 Ra7 56. Qe8+ Kh7 57. Nxf5 e3 58. Ne7 Ra5+ 59. Kc4) 54... Bxe5 55. d8=Q Rf7 56. Kxe5 {KQ-KR} e3 57. Qg8+ {White mates.} Rg7 58. Qe6+ Kh5 59. Kf4 Rg4+ 60. Kf3 Rg5 61. Qf7+ Rg6 62. Qxf5+ Rg5 63. Qf7+ {Weighted Error Value: White=0.18/Black=0.67} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "2"] [White "Shankland, Sam"] [Black "Le, Quang Liem"] [Result "0-1"] [ECO "C45"] [WhiteElo "2709"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "86"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,86,5,17,0,0,0,22,30,23,20,19,-7,0,-44,-8,-41,47,-17,-8,-62,-64,-56, -50,-89,-56,-138,-50,-44,-55,-59,-57,-51,-55,-78,-70,-63,-74,-135,-128,-180, -172,-233,-248,-396,-172,-400,-394,-402,-397,-376,-361,-353,-274,-891,-414, -1217,-508,-1127,-624,-944,-840,-685,-478,-507,-470,-728,-1078,-29968,-12843, -5306,-5306]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 d5 7. exd5 cxd5 8. O-O Be7 9. c4 O-O 10. Nc3 {C45: Scotch Game.} d4 11. Ne4 Bb7 12. Nxf6+ {The position is equal.} Bxf6 {[#]} 13. Bf4 $146 ({Predecessor:} 13. Re1 Qd7 14. Bf4 g6 15. Qd2 a5 16. Be5 Bxe5 17. Rxe5 f6 18. Re2 Rae8 19. Rxe8 Rxe8 20. Qxa5 Bxg2 21. Kxg2 {0-1 (30) Panov,O (2129)-Pheby,I (2357) ICCF email 2012}) 13... Re8 14. Qh5 Be4 15. Rad1 Qd7 16. b3 h6 ({Black should play} 16... Bxd3 $15 17. Rxd3 g6) 17. h3 ({Better is} 17. Bxe4 $1 $14 Rxe4 18. Qf3) 17... c6 18. Bg3 (18. b4 $11) 18... Bxd3 $15 19. Rxd3 Re4 20. b4 Rae8 21. b5 {[#]} ( 21. a3 $15) 21... Re1 (21... Qe6 $1 $17 22. bxc6 Qxc4 {[%mdl 64] Double Attack} ) 22. Rxe1 $1 Rxe1+ 23. Kh2 Rc1 24. bxc6 Qxc6 25. Rb3 Qe6 ({Not} 25... Qxc4 $2 26. Rb8+ Qc8 27. Qf5 $18) 26. c5 $1 Kh7 27. Bf4 {Black converts the advantage convincingly.} (27. Rb7 $142) 27... Rc2 $17 28. Qf3 (28. Rf3 $17) 28... Rxc5 $19 29. Rb7 (29. Qd1 $142) 29... Rc3 30. Qd1 (30. Qg4 {is the only way for White.} Rc2 31. Qf3) 30... Be5 (30... Qe4 $142 31. Qb1 d3) 31. Bxe5 (31. Qd2 { was the only defense.}) 31... Qxe5+ {[%mdl 4096] Endgame KQR-KQR} 32. g3 Qd5 33. Rb2 d3 34. Rd2 Qe4 {[#] aiming for ...Rc2.} 35. Kg1 $2 (35. Qf1) 35... a5 ( 35... Qc6 $142 36. Rxd3 Rc1) 36. a4 (36. Qf1 $142) 36... g6 (36... Qc6 $142 37. Rxd3 Rc1 38. Qxc1 Qxc1+ 39. Kh2 Qc2) 37. h4 (37. Qf1 $142 Qxa4 38. Kh2) 37... h5 38. Qf1 Qc4 39. Kh2 Qd4 {And now ...Rc2 would win.} 40. Qd1 Qe4 41. Kg1 (41. Qa1 $142 Qc6 42. Qh1) 41... Qc6 42. Qf1 Rc1 43. Rd1 d2 {Weighted Error Value: White=0.90/Black=0.69} 0-1 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "3"] [White "Mamedyarov, Shakhriyar"] [Black "Svidler, Peter"] [Result "1-0"] [ECO "A48"] [WhiteElo "2782"] [BlackElo "2714"] [Annotator "TA"] [PlyCount "63"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,63,26,18,19,12,27,33,34,24,55,24,38,32,37,0,21,18,21,10,25,18,22,21, 25,31,40,6,13,14,33,0,26,18,35,29,22,37,62,54,408,429,412,416,425,411,527,540, 544,520,637,630]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 c5 5. Bxf6 Bxf6 6. Ne4 Qb6 7. Nxf6+ Qxf6 8. c3 ({Of course not} 8. dxc5 Qxb2 9. Qd4 Qxd4 $15) 8... cxd4 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} 9. cxd4 Nc6 10. e3 O-O {[#] White is slightly better.} 11. Rc1 $146 ({Predecessor:} 11. Be2 d5 12. O-O Bd7 13. Qb3 Qd6 14. Rfc1 Rfc8 15. Rc5 b6 16. Rcc1 {1/2-1/2 (16) Benjamin,J (2555)-Olafsson,H (2545) New York 1986}) 11... d6 12. Bb5 Bd7 13. O-O Rfc8 14. a3 Bg4 15. Be2 e5 16. dxe5 dxe5 17. h3 Bf5 18. Qb3 e4 19. Nd2 Qe7 20. Rc3 Rd8 21. Qc2 h5 22. Bb5 Rac8 23. Bxc6 Rxc6 24. Rxc6 bxc6 25. Rc1 h4 26. Nb3 Bxh3 $2 {[%mdl 8192] [#] A mistake that costs the game.} 27. gxh3 $18 Qg5+ 28. Kf1 Qf5 29. Ke1 c5 30. Nxc5 {White is clearly winning.} Rc8 31. b4 Qxh3 32. Qxe4 {[%mdl 32768] Weighted Error Value: White=0.08/Black=0.48. Loss on time!?} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "3"] [White "Rapport, Richard"] [Black "Shankland, Sam"] [Result "1/2-1/2"] [ECO "A07"] [WhiteElo "2763"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "118"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,118,4,2,-2,0,0,0,0,18,16,8,11,8,8,32,33,25,21,16,-92,-43,-54,-62,-63, -53,-44,-40,-33,-45,-56,-38,-126,-136,-218,-200,-347,-331,-348,-350,-341,-335, -354,-352,-366,-378,-331,-377,-372,-372,-360,-343,-422,-299,-312,-299,-445, -420,-741,-730,-695,-717,-859,-842,-958,-923,-895,-891,-906,-885,-6868,0,0,206, 215,208,109,329,87,12841,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. d3 Nc6 6. Nc3 {A07: Réti Opening: New York and Capablanca Systems.} d4 7. Ne4 Nge7 8. c3 h6 9. cxd4 exd4 {[#]} 10. Qa4 $146 ({Predecessor:} 10. Bd2 b6 11. Be1 Be6 12. Qc2 a5 13. Kh1 O-O 14. Ned2 Qd7 15. Nc4 Rad8 16. Qc1 {0-1 (30) Grau,P (2101)-Fries Nielsen,J (2386) Ballerup 2011}) 10... O-O 11. b4 {With the idea b5.} b6 12. b5 Na5 13. Bb2 {[%CAl Rb2d4]} a6 14. bxa6 (14. Nxd4 $2 axb5 15. Qb4 c5 $19) (14. Bxd4 $11 {remains equal.} axb5 15. Qa3) 14... Rxa6 15. Qc2 (15. Nxd4 $2 Nac6 $1 $19 {[%mdl 512]}) (15. Bxd4 $2 Nac6 $19) 15... c5 16. e3 Nac6 17. exd4 cxd4 18. a4 Be6 19. Ba3 Qd7 $1 20. Rfb1 (20. Nfd2 $15) 20... Rfa8 $17 21. Bc1 (21. Bxe7 $17 {was called for.} Nxe7 22. Ned2) 21... Nd5 $1 $19 22. a5 (22. Bb2 $142) 22... f5 ({Much less strong is} 22... Nxa5 23. Qa4 $19) 23. Ned2 {[%CAl Be4d2, Bd2c4,Bc4e5][%mdl 32]} Ncb4 (23... bxa5 $2 24. Nb3 $17) ({But not} 23... Nxa5 24. Ne1 $19) (23... Rxa5 $2 24. Rxa5 bxa5 25. Nc4 $19) 24. Qb3 bxa5 {And now .. .Nc3 would win.} ({Resist} 24... Rxa5 25. Rxa5 bxa5 26. Qa3) 25. Nc4 a4 26. Qb2 Nxd3 27. Qd2 Nxc1 28. Rxc1 Nc3 29. Nce5 Qe8 30. Re1 Rd8 31. Qd3 Ra5 32. h4 (32. Qd2 $142) 32... Ne4 33. h5 (33. Nc4 $142 Rc5 34. Ncd2) 33... Bxe5 34. hxg6 Bg7 35. Nh4 Qb5 36. Bxe4 fxe4 37. Qxe4 Bd5 38. Qe7 Qd7 39. Qb4 {[#]} Ra6 $2 (39... Qh3 $1 $19 {[%csl Gd5][%CAl Rh3h1][%mdl 512]} 40. f3 Qxg3+ {[%mdl 64] Double Attack} 41. Kf1 Bxf3) 40. Re7 $1 $11 {[%CAl Re7d7]} Qd6 {[#]} (40... Qh3 $1 $11 41. Rxg7+ Kh8 (41... Kxg7 42. Qe7+ Kg8 43. Qxd8+ $18) 42. Rh7+ {[%mdl 64] Double Attack} Kg8 43. Rg7+ Kh8 44. Rh7+ {[%mdl 64] Double Attack} Kg8 45. Rg7+ ) 41. Rxg7+ $1 $18 {[%mdl 512]} Kf8 (41... Kxg7 42. Nf5+) 42. Qxd4 ({White should try} 42. Qd2 $1 $18 {[%CAl Rd2h6]} Kxg7 43. Nf5+ {[%mdl 64] Double Attack} Kxg6 44. Nxd6 Rdxd6 45. Qxd4) 42... Bg8 $2 (42... Qb6 $16 {keeps fighting.} 43. Qc3 Qf6 44. Qxf6+ Rxf6) 43. Qb2 $2 (43. Qe4 $18 {Nf5! is the strong threat.} Qf6 {[%mdl 64] Double Attack} 44. Nf5 $1 Qxa1+ 45. Kh2) 43... a3 $2 {[%mdl 8192]} (43... Qf6 $16 44. Qxf6+ Rxf6) 44. Rxg8+ $2 Kxg8 $11 { The position is equal.} 45. Qb7 {White wants to mate with Qh7+.} Rd7 $36 { [%mdl 2048] Black has good play.} 46. Qc8+ Rd8 47. Qb7 {Qh7+ would kill now.} Rd7 48. Qc8+ Rd8 49. Qc4+ Qe6 $1 {[%CAl Re6c4]} 50. Qc7 {Threatening mate with Qh7+.} Qd7 51. Qc4+ {[%mdl 64] Double Attack} Qe6 $1 {[%CAl Re6c4]} 52. Qxe6+ Rxe6 53. Rxa3 {[%mdl 4096] Endgame KRR-KRN} Rf6 54. Ra5 Kg7 55. Kg2 Rd2 56. Ra7+ Kg8 57. Ra8+ Kg7 58. Ra7+ Kg8 59. Ra8+ Kg7 {Weighted Error Value: White=0. 58/Black=0.24} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "3"] [White "Dominguez Perez, Leinier"] [Black "Caruana, Fabiano"] [Result "1/2-1/2"] [ECO "B41"] [WhiteElo "2758"] [BlackElo "2806"] [Annotator "TA"] [PlyCount "133"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,133,22,36,26,31,37,32,36,31,43,47,45,44,25,37,41,71,73,81,60,66,45, 113,97,109,45,53,50,82,88,106,104,87,77,90,100,153,143,141,131,155,138,131,148, 179,127,226,193,186,195,240,150,185,150,168,45,33,10,10,35,30,8,8,8,8,8,8,0,0, 4,8,8,8,8,8,8,128,121,121,121,121,121,133,8,48,48,59,9,10,10,187,75,88,8,8,8,8, 8,8,8,8,8,8,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,8,8]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Qd3 {now supersedes 7.Bd3. B41: Sicilian: Kan Variation: 5 c4.} O-O 8. e5 Ne8 9. Bf4 {White is slightly better. } d6 10. exd6 Bxd6 11. Bxd6 Qxd6 12. O-O-O {[#]} Qc7 $146 ({Predecessor:} 12... Nd7 13. Nc2 Qxd3 14. Bxd3 Nc5 15. Be2 a5 16. f4 Bd7 17. Ne4 Nxe4 18. Rxd7 Nc5 { 1/2-1/2 (54) Oleksienko,M (2595)-Miezis,N (2456) Brest 2019}) 13. Qg3 Nd7 14. Qxc7 Nxc7 15. Be2 Nf6 16. f4 Bd7 (16... Re8 $14) 17. Bf3 Rab8 18. b4 (18. g4 $16) 18... Rfc8 $14 19. Kb2 a5 20. a3 $1 (20. bxa5 $6 Nce8 $11) 20... h5 21. Rhe1 (21. bxa5 $6 Nce8 $11) 21... axb4 22. axb4 g6 23. Kb3 Be8 ({Black should try} 23... Nce8) 24. Ra1 $16 Rd8 25. Red1 Ng4 26. Bxg4 hxg4 27. b5 Kg7 28. Kb4 (28. Ne4 $18) 28... Kf6 (28... Na6+ $16 {keeps fighting.} 29. bxa6 bxa6+ 30. Ka5 Rdc8) 29. Nb3 Rxd1 30. Rxd1 Ke7 31. Na4 b6 32. Nc3 Ra8 33. Ra1 (33. Na4) 33... Rxa1 $14 34. Nxa1 {[%mdl 4096] Endgame White wants to play c5. KBN-KNN} e5 $1 35. fxe5 {Strongly threatening Nc2.} Ke6 36. c5 bxc5+ 37. Kxc5 {aiming for b6.} Kxe5 38. Nc2 Ne6+ 39. Kc4 f5 40. b6 {Threatens to win with b7.} Bc6 41. g3 g5 42. Nb4 Bb7 43. Nb5 {Black must now prevent Nd3+.} f4 (43... Be4 $11 {remains equal.}) 44. Nd3+ $16 Kf6 45. Nd6 $1 {[%CAl Rd6b7]} Ba6+ 46. Kc3 { And now Nb4 would win.} Nd8 47. Nc5 ({Of course not} 47. gxf4 $6 gxf4 48. Ne4+ (48. Nxf4 Ke5 $11 {[%mdl 64] Double Attack}) 48... Kf5 $11) (47. Ne4+ $16 Kf5 48. Nec5) 47... Bf1 48. b7 Nc6 49. Kd2 Ke5 50. Nf7+ Kd4 $2 {[#]} (50... Kd5 $11 {and Black stays safe.}) 51. Ne6+ (51. Nd7 $1 $18 Ba6 52. b8=Q (52. Nxg5 fxg3 53. Ne6+ Kd5 $11) 52... Nxb8 53. Nxb8) 51... Kd5 52. Ned8 (52. gxf4 $16 gxf4 53. Nxf4+ Kc5 {[#]} 54. Ne5 $1 {[%mdl 512]}) 52... Nb8 $1 $11 {The position is equal.} 53. Nxg5 fxg3 54. hxg3 Ba6 55. Ke3 Kd6 56. Kf4 Ke7 57. Nge6 (57. Ndf7 { is interesting.} Bxb7 58. Nh6 Bf3 59. Nxg4 Bxg4 60. Kxg4 Kf6 61. Nf3) 57... Bxb7 58. Nxb7 Kxe6 59. Kxg4 {KN-KN} Nc6 60. Nc5+ Kf6 61. Ne4+ Kg6 62. Kf4 Nd4 63. g4 Nc6 64. g5 Nd8 65. Nc5 Nf7 66. Ne4 Nxg5 67. Nxg5 {Blacks defense is rewarded with a draw. Weighted Error Value: White=0.21/ Black=0.20} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "3"] [White "Nakamura, Hikaru"] [Black "Xiong, Jeffery"] [Result "1-0"] [ECO "D32"] [WhiteElo "2736"] [BlackElo "2710"] [Annotator "TA"] [PlyCount "63"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,63,-22,-14,-8,0,2,55,8,20,12,15,-19,-32,-16,-16,-17,0,-14,0,0,0,3,8, 0,0,-2,0,0,19,0,4,0,0,0,0,0,0,0,0,-49,0,-21,0,-20,0,-108,594,587,557,554]} 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 cxd4 5. Qxd4 Nc6 6. Qd1 exd5 7. e3 Nf6 8. Nf3 Bb4 9. Be2 $5 {[%mdl 4] Exploring less charted territory. D32: Tarrasch Defence: Sidelines and lines without g3.} Ne4 10. Bd2 Bg4 (10... O-O $11) 11. O-O {White is slightly better.} O-O {[#]} 12. Be1 $146 ({Predecessor:} 12. Rc1 Re8 13. a3 Bd6 14. Nb5 Bxf3 15. Bxf3 Be5 16. Bc3 Nxc3 17. Nxc3 {0-1 (26) Braun, K (2051)-Vogelbacher,G (2163) Germany 2006}) 12... Bxc3 13. bxc3 Rc8 14. Nd4 Bxe2 15. Nxe2 b6 16. f3 Nf6 17. Bh4 Re8 18. Nf4 Rxe3 19. Bxf6 gxf6 20. Nxd5 Re5 21. c4 Na5 22. f4 Re6 23. Qh5 Nxc4 {Hoping for ...Rc5.} 24. Rf3 {And now Rg3+ would win.} Ne5 $1 {[%CAl Re5f3]} 25. Rg3+ Ng6 26. Rh3 $36 {[%mdl 2048] White fights for an advantage.} h6 27. Rd3 Rd6 28. Rad1 Rc5 29. Qf3 {Strongly threatening Nxf6+!} Kf8 30. h4 (30. Qh5 $11 Kg7 31. a3) 30... Ne7 $4 (30... Nxh4 $17 {stays on course.} 31. Qh5 {[#]} Kg7 $1 32. Rg3+ (32. Qxh4 Rcxd5 33. Rg3+ Kh7 $17) 32... Ng6) 31. Nxe7 $18 {[%mdl 64] [#] Discovered Attack} Rxd3 32. Rxd3 {Weighted Error Value: White=0.15/Black=0.46} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "3"] [White "Le, Quang Liem"] [Black "So, Wesley"] [Result "1/2-1/2"] [ECO "C65"] [WhiteElo "2709"] [BlackElo "2772"] [Annotator "TA"] [PlyCount "62"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,62,18,19,18,20,22,24,14,18,13,70,69,75,79,122,120,117,115,122,120,233, 224,239,239,243,243,268,62,72,71,64,79,76,75,70,67,75,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 { C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} Nd7 7. Nc4 f6 8. O-O {White has an edge.} Nf8 9. Be3 {[#]} (9. c3 Ne6 10. b4 Be7 11. Be3 O-O 12. a3 c5 13. Qc2 Kh8 14. Rad1 Qe8 15. bxc5 Nxc5 {0-1 (34) Le,Q (2709) -So,W (2770) chess24.com INT 2020}) 9... Bd6 $146 (9... Bb6 $11) ({Predecessor: } 9... Bxe3 10. fxe3 Ng6 11. a4 Be6 12. b3 O-O 13. Qe1 Qe7 14. h3 b6 15. Kh2 a5 {1/2-1/2 (28) Nakamura,H (2736)-Van Foreest,J (2701) chess24.com INT 2021}) 10. d4 $14 Be6 11. Qe2 {[%CAl Rd4e5]} exd4 12. Nxd4 Qe7 13. Nxd6+ cxd6 14. Rad1 Ng6 (14... Nd7 $16) 15. f4 $1 $18 Bd7 16. Nf5 $1 {[%CAl Rf5e7]} Bxf5 17. exf5 Nh4 18. Qh5+ (18. Rfe1 $18 {aiming for Qh5+.} Nxf5 19. Qd3) 18... g6 $14 19. fxg6 Qxe3+ 20. Kh1 O-O-O 21. g7 ({Stronger than} 21. gxh7 Nxg2 $1 22. Qg4+ Kb8 $17) 21... Rhg8 {Strongly threatening ...Nxg2!} 22. Qxh4 Rxg7 23. Qxf6 (23. Rfe1 $16 Qc5 24. Qxf6) 23... Rxg2 $1 $11 {( -> ...Qh3!). The position is equal.} 24. Qf5+ $40 {[%mdl 192] Double Attack, Zwischenzug. White has some attack.} ({ Much worse is} 24. Kxg2 Rg8+ 25. Qg5 Rxg5+ 26. fxg5 Qxg5+ 27. Kh1 Qe5 $17) ({ But not} 24. Rxd6 $2 {[#]} Rxh2+ $3 {[%mdl 512]} 25. Kxh2 Qe2+ 26. Kg1 Rg8+ 27. Qg5 Rxg5+ 28. fxg5 Qe3+ 29. Kg2 Qxg5+ 30. Kh3 Qh5+ 31. Kg2 Qg4+ 32. Kh2 Qh4+ 33. Kg2 Qg4+ 34. Kh2 Qe2+ 35. Kg1 Qxc2 $19) 24... Kb8 {Threatens to win with .. .Rg1+!} 25. Kxg2 Rg8+ 26. Kh1 Rg1+ $1 27. Rxg1 {Rg8+ would kill now.} Qf3+ 28. Rg2 {Threatening mate with Rd3.} Qxd1+ 29. Rg1 Qf3+ 30. Rg2 Qd1+ 31. Rg1 Qf3+ { Weighted Error Value: White=0.22/Black=0.12} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "4"] [White "Caruana, Fabiano"] [Black "Xiong, Jeffery"] [Result "0-1"] [ECO "D12"] [WhiteElo "2806"] [BlackElo "2710"] [Annotator "TA"] [PlyCount "132"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qc7 9. Bd2 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5.} Be7 10. g3 Bh5 11. Be2 { The position is equal.} Nbd7 $5 {[%mdl 4] An interesting side line.} 12. cxd5 Nxd5 {[#]} 13. Nxd5 $146 ({Predecessor:} 13. Ng2 Bd6 14. O-O Bg6 15. e4 Nxc3 16. bxc3 h5 17. Nf4 h4 18. Nxg6 fxg6 19. Qxe6+ {1-0 (28) Girish,A (2693) -Rakhmangulova,A (2358) Chess.com INT 2020}) 13... exd5 14. Ng2 (14. Nf5 $5 { [%CAl Rf5g7]} Bf8 15. g4 $14) 14... Bg6 15. Nf4 Bd6 16. O-O O-O 17. Rac1 (17. e4 $5) 17... Qb6 18. Qc3 Rfe8 19. Rfe1 a5 20. a3 Re7 21. Bf1 (21. Kg2 {is interesting.} Bxf4 22. exf4 Rae8 23. Bf1 Rxe1 24. Rxe1 Rxe1 25. Bxe1 h5 26. Kg1 ) 21... Rae8 (21... a4 {keeps more tension.} 22. Bh3 Nf6 23. Kh1 Rae8 24. Kg1 Nh5) 22. Nxg6 (22. b4 {looks sharper.} axb4 23. axb4 Nf6 24. Bh3 Qb5 25. Ra1) 22... hxg6 23. Qxa5 Qxa5 24. Bxa5 Rxe3 25. Kf2 Rxe1 26. Bxe1 Nf8 27. Bc3 Ne6 28. a4 Ra8 29. a5 Kf8 30. Ke2 Ke7 31. Kd3 Kd7 32. Be1 g5 33. Bh3 Rh8 34. Bxe6+ Kxe6 $11 {[%mdl 4096] Endgame KRB-KRB} 35. Rc2 Kd7 36. Re2 f6 37. Bd2 Bc7 38. b4 Bd6 39. Kc3 Kc7 40. Kd3 Kd7 41. Kc3 Ra8 42. h4 gxh4 (42... Rh8 {with more complications.} 43. Rg2 Rh7 44. Kd3 Kc7 45. Be1 Rh8) 43. gxh4 Rh8 44. Rg2 Rh7 45. Kd3 Ke6 46. Re2+ Kf5 47. Be1 Rh8 48. Rb2 Re8 49. Bd2 Bf4 50. b5 Bxd2 51. Kxd2 {KR-KR} Ra8 52. bxc6 bxc6 53. Ra2 Kf4 54. Kc3 $6 (54. Ke2 Kg3 55. a6 Kxh4 56. a7 g5 57. Kf2) 54... Kxf3 {And now ...f5 would win.} 55. Kb4 $2 {[#]} (55. a6 $15) 55... f5 $19 56. Kc5 Ke3 57. Kxc6 Kxd4 ({Black should play} 57... f4 $19 58. a6 f3 59. Ra3+ Kf4) 58. a6 $11 f4 59. Kb7 Rf8 {[#] Strongly threatening ...Ke3.} 60. a7 f3 {...Ke3 is the strong threat.} 61. a8=Q Rxa8 62. Rxa8 $4 {[%mdl 8192]} (62. Kxa8 $11 Ke3 63. Ra7) 62... f2 $19 {Black is clearly winning.} 63. Rf8 Ke3 64. Re8+ Kf3 65. Kc6 d4 66. Kd5 d3 {Weighted Error Value: White=0.15/ Black=0.16} 0-1 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "4"] [White "So, Wesley"] [Black "Rapport, Richard"] [Result "1/2-1/2"] [ECO "C54"] [WhiteElo "2772"] [BlackElo "2763"] [Annotator "TA"] [PlyCount "57"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,57,-3,12,0,27,28,35,3,7,6,6,6,7,7,3,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 O-O 10. Be3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} h6 {[#]} 11. O-O $146 ({Predecessor:} 11. Qb3 Nxc3 12. Bxc6 bxc6 13. Qxc3 Bd7 14. O-O Qc8 15. Rac1 Re8 16. Nd2 Re6 17. f4 Rg6 {1-0 (44) Tsampouli,V (1429)-Bania,E (1490) Trikala 2020}) 11... Bg4 12. h3 { White is slightly better.} (12. Bxc6 {keeps more tension.} Nxc3 13. bxc3 bxc6 14. h3 Bf5 15. a4) 12... Nxd4 {The position is equal.} 13. Bxd4 Bxf3 14. Qxf3 { [#] Threatens to win with Bxb6.} Bxd4 15. Nxe4 dxe4 16. Qxe4 Bxb2 17. Bd3 { [%csl Gd3][%CAl Re4h7]} g6 $1 18. Bc4 {[#] aiming for Qxg6+.} Kg7 19. Rad1 Qe7 20. e6 fxe6 21. Qxb7 Be5 22. Rfe1 Qc5 23. Rd7+ Kh8 24. Rxe5 $1 Qxe5 25. Rxc7 Qe1+ 26. Kh2 {White wants to mate with Rh7+.} Qe5+ 27. Kg1 {Intending Rh7+ and mate.} Qe1+ 28. Kh2 {White threatens Rh7+ and mate.} Qe5+ 29. Kg1 {A rather calm draw. Weighted Error Value: White=0.02/Black=0.02} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "4"] [White "Dominguez Perez, Leinier"] [Black "Mamedyarov, Shakhriyar"] [Result "1-0"] [ECO "C42"] [WhiteElo "2758"] [BlackElo "2782"] [Annotator "TA"] [PlyCount "103"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,103,13,17,19,16,20,16,18,21,12,27,8,0,0,23,8,71,63,124,121,129,100, 95,8,14,7,4,12,6,0,54,56,153,139,146,143,392,392,392,392,385,385,547,540,530, 529,516,507,985,974,931,752,920,851,29975,1844,5393,55,99,97,77,5,958,410,679, 660,616,131,213,211,210,174,292,89,89,90,92,98,108,75,29970,29972,29973,29973, 29972,29973,29973,29974,29981,29981,29981,29980]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 O-O 8. Qd2 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Nd7 9. O-O-O Nf6 10. Bd3 {The position is equal.} Re8 11. Rhe1 Bg4 {11...Bg4 scores better than 11...Bd7.} 12. h3 Bxf3 13. gxf3 {[#]} c6 $146 ({Predecessor:} 13... d5 14. Rg1 Qd6 15. Kb1 Rad8 16. h4 a6 17. Bd4 g6 18. f4 Ne4 19. Qc1 c5 {1/2-1/2 (32) De Carlos Arregui,I (2432) -Bondars,G (2423) ICCF email 2017}) 14. Rg1 g6 (14... d5 $11 {keeps the balance.}) 15. h4 $16 Nh5 (15... d5 $14) 16. f4 Qa5 17. Kb1 Ng7 {[%CAl Bh5g7, Bg7f5,Bf5e3][%mdl 32]} 18. f5 ({White should try} 18. h5 $16) 18... Nxf5 $11 19. h5 Nxe3 20. hxg6 hxg6 ({Not} 20... Nxd1 21. Qh6 fxg6 22. Bxg6 Nxc3+ 23. bxc3 Qb5+ 24. Ka1 Qf1+ 25. Rxf1 hxg6 26. Qxg6+ Kf8 27. Qf5+ Kg7 28. Rg1+ Bg5 29. Rxg5+ Kh8 30. Qh3#) 21. Qxe3 Bf6 (21... Qe5 $11) 22. Qh3 $1 $14 {Strongly threatening Bxg6!} Bg7 (22... Qe5 $14) 23. f4 $1 $16 Qh5 24. Qg3 Qc5 $2 (24... Kf8 $16) 25. Bxg6 $18 fxg6 26. Qxg6 {[%csl Gg1][%CAl Rg6g7][%mdl 64] Double Attack} Re7 {[#]} 27. f5 $1 {[%CAl Rf5f6]} Qe5 (27... Rf8 $142) 28. f6 { [%mdl 64] Threatens to win with Rdf1. Double Attack, Pin} Rf7 29. fxg7 Rxg7 30. Qh6 {Black must now prevent Rxg7+.} Re8 (30... Rf8 $142 31. Rh1 Rf6) 31. Rh1 Re6 32. Qh8+ Kf7 33. Qc8 d5 34. Rdf1+ (34. Rh8 $142 Qd6 35. Rd8 Qe7 36. Rd7 { [%mdl 64] Double Attack} Rgg6 37. Rxb7 Rgf6 38. Rxe7+ Kxe7 39. c4) 34... Ke7 35. Qf8+ $2 (35. b4 $18 {is the precise move to win.} Qg3 36. Rh8 Re1+ 37. Rxe1+ Qxe1+ 38. Kb2) 35... Kd7 $16 36. Qa8 (36. Rh8 $2 {[#] gets mated.} Qe1+ $3 {[%mdl 512]} 37. Rxe1 Rxe1#) 36... Kc7 37. a3 (37. Qxa7 $16 Re8 38. Qa5+ Kb8 39. a3) 37... Rg2 $2 {[%mdl 8192]} (37... a6 $11) 38. Qxa7 (38. Rh8 $142 { [%csl Gh8][%CAl Ra8d8]} Kb6 39. Rf7) 38... Re7 (38... Rg8 $142 39. a4 Re7) 39. Qa5+ $18 Kd7 40. Rhg1 $2 (40. Rf8 $18 {and White stays clearly on top. White threatens Qd8+ and mate.} Qc7 41. Qb4) 40... Qe2 (40... Rxg1 $16 41. Rxg1 Re8) 41. Rc1 Rxg1 42. Rxg1 {[%mdl 4096] Endgame KQR-KQR} Qf2 (42... Qd2 {was worth a try.} 43. Rg8 Ke6) 43. Rc1 $2 (43. Rg8 $18 {and the rest is easy. Qd8+ is the strong threat.} Qe1+ 44. Ka2) 43... Re1 $16 {Hoping for ...Rxc1+.} 44. b3 Rxc1+ 45. Kxc1 {KQ-KQ} d4 46. cxd4 (46. c4 {is interesting.} Qf4+ 47. Kb2 Qf6 48. Qd2 Kc7 49. Qd3) 46... Qxd4 $2 {[%mdl 8192]} (46... Qg1+ $16 47. Kb2 Qxd4+ 48. Qc3 Qf2) 47. Qd2 {White mates.} Qxd2+ 48. Kxd2 Kd6 49. Kd3 Kc5 50. c4 b5 51. b4+ Kb6 52. Ke4 {Weighted Error Value: White=0.47/Black=0.58} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "4"] [White "Svidler, Peter"] [Black "Le, Quang Liem"] [Result "0-1"] [ECO "C54"] [WhiteElo "2714"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "143"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,143,16,18,13,8,13,20,8,24,19,29,20,14,19,29,24,20,0,4,0,0,-39,-7,-29, -19,-27,-18,-22,0,0,0,0,0,0,0,-20,-18,-18,-14,-16,-10,-17,-18,-24,-29,-39,-35, -44,-37,-43,-42,-39,-21,-21,-21,-25,-16,-18,-16,-14,-18,-36,-16,-47,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-28,-28,-35,-64,-345, -303,-297,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. O-O h6 7. b4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Bb6 8. Nbd2 O-O 9. Re1 a5 $5 { [%mdl 4] An interesting side line.} 10. b5 Ne7 11. d4 Ng6 {[#]} 12. Bf1 $146 ({ Predecessor:} 12. h3 Re8 13. Bd3 a4 14. Nc4 Ba7 15. Qxa4 d5 16. Ncxe5 Rxe5 17. b6 Re6 18. e5 {1/2-1/2 (25) Au Cardero,R (2298)-Vera Cruz,A (2324) ICCF email 2016}) 12... Be6 13. Qc2 Re8 14. Bb2 a4 15. c4 exd4 16. Nxd4 Nd7 17. N2f3 Nge5 18. Rad1 Bg4 19. Be2 Bxf3 20. Nxf3 Nxf3+ 21. Bxf3 {White wants to play e5.} Ne5 22. Be2 Qh4 23. Bd4 (23. g3 {seems wilder.} Qf6 24. Rf1 a3 25. Ba1 Qg6 26. Kg2) 23... Bxd4 24. Rxd4 Nd7 25. g3 Qf6 26. Red1 b6 27. Kg2 Nc5 28. f3 Re7 29. Rd5 Re5 30. Qc3 Rae8 {[#] ...Rxe4 is the strong threat.} 31. Rxe5 Qxe5 32. Qxe5 dxe5 $15 {[%mdl 4096] Endgame KRB-KRN} 33. a3 f6 34. Kf2 Kf7 35. Ke3 Ke7 36. Rd5 g5 37. f4 Kf8 (37... exf4+ {feels hotter.} 38. gxf4 Kf8 39. Bd3 Ne6 40. f5 Nc5) 38. fxe5 Rxe5 39. Rxe5 fxe5 $11 {KB-KN} 40. Bd1 Kf7 41. Bc2 Kg6 42. Bd1 h5 43. h4 g4 44. Bc2 Kf6 45. Bd1 Ke6 (45... Kg6 {looks sharper.}) 46. Bc2 Kd6 47. Kd2 Ke6 48. Kc3 Ke7 (48... Kf6 {is interesting.} 49. Kd2 Ke7 50. Ke3 Kd6) 49. Kd2 Kd6 50. Kc3 Kd7 51. Kd2 Ke7 52. Kc3 Kd6 53. Kd2 Nb7 54. Bxa4 $4 (54. Kc3 Kc5 (54... Nc5 55. Kd2) 55. Bb1 $11) 54... Kc5 $19 55. Kc3 Nd6 $1 {[%csl Bc4, Be4][%mdl 64] Double Attack} 56. Bc2 {[%mdl 8192]} (56. Kd3 $1 $15) 56... Nxc4 $19 57. a4 {[#]} Na5 $2 ({Black should play} 57... Ne3 $1 $19 {[%CAl Re3c2]} 58. Bb1 Nf1) 58. Bd3 {The position is equal.} c6 59. bxc6 Nxc6 60. Bc4 { Black must now prevent Bf7.} Nd4 61. Kd3 Ne2 $1 62. Bf7 Nxg3 63. Ke3 Kb4 64. Bg6 Nf1+ 65. Ke2 Nh2 {Threatening ...Nf3.} 66. Bxh5 {Threatens to win with Kf2. } Nf3 $1 {[%CAl Rf3h4]} 67. Bxg4 Nxh4 68. Bd7 Ng6 69. Kf3 $1 Kc5 70. Kg4 Kd4 71. Kf5 Nf4 72. Bc6 {[%mdl 32768] Weighted Error Value: White=0.16/ Black=0.10. Loss on time!?} 0-1 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "4"] [White "Shankland, Sam"] [Black "Nakamura, Hikaru"] [Result "0-1"] [ECO "D35"] [WhiteElo "2709"] [BlackElo "2736"] [Annotator "TA"] [PlyCount "130"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,130,0,8,0,0,0,23,12,20,20,27,19,29,29,39,36,54,39,52,33,33,22,27,32, 29,33,34,-20,-17,-29,-21,-26,-26,-33,-35,-30,0,0,0,-91,0,-146,-123,-148,-107, -111,-60,-69,-44,-45,-50,-91,-69,-64,-87,-142,-112,-97,-103,-100,-85,-89,-87, -81,-80,-78,-80,-83,-87,-89,-83,-82,-71,-65,-29,-64,-27,-37,-37,-37,-37,-37, -39,-43,-37,-49,-40,-39,-35,-61,-60,-135,-139,-156,-105,-102,-87,-146,0,-106, -59,-276,-243,-294,-308,-290,-264,-441,-430,-677,-673,-605,-785,-1053,-1044, -1230,-1214,-1098,-940,-892,-880,-887,-794]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. cxd5 exd5 6. h3 {D35: Queen's Gambit Declined: Exchange Variation.} c6 7. Bf4 Bd6 $5 {[%mdl 4] Exploring less charted territory.} 8. e3 {White has an edge.} Bf5 {[#]} 9. Ne5 $146 ({Predecessor:} 9. Bg5 h6 10. Bh4 g5 11. Bg3 Bxg3 12. fxg3 Nbd7 13. Bd3 Ne4 14. g4 Bg6 15. Bxe4 dxe4 16. Nd2 {0-1 (44) Pomeroy,R-Kings,P England 1992}) 9... Ne4 10. Qb3 Qb6 11. g4 Be6 12. Nxe4 dxe4 13. Nc4 Qb4+ 14. Qxb4 Bxb4+ 15. Kd1 Nd7 16. a3 Be7 17. Na5 c5 18. dxc5 (18. Nxb7 $14 cxd4 19. Nd6+ Bxd6 20. Bxd6) 18... Nxc5 $11 {Threatening ...0-0.} 19. Bb5+ Bd7 20. Bxd7+ Kxd7 21. Ke2 Rac8 22. Rad1+ Ke6 23. Rd4 $1 {Threatens to win with b4.} Bf6 24. Rd6+ Ke7 {And now ...Nd3 would win.} 25. Rhd1 (25. Rd2 $1 $11 Nd3 26. Nxb7 Bxb2) 25... Nd3 $17 26. Rd5 Rc2+ ({But not} 26... Bxb2 27. Nxb7 Rc2+ 28. Rd2 $15) 27. Rd2 Rhc8 ({Don't play} 27... Rxb2 28. Rxb2 Bxb2 29. Rb5 $15) ({Better is} 27... Rc1 $17 {[%csl Gd3][%CAl Rc1e1]} 28. Rd1 b6 29. Rxc1 Nxc1+ 30. Kd1 Rc8) 28. Nxb7 $15 Rc1 {[%csl Gd3][%CAl Rc1e1]} 29. R5xd3 exd3+ 30. Rxd3 R8c2+ 31. Kf3 Bh4 32. Bd6+ (32. b4 $142) 32... Ke8 33. Bg3 Bxg3 34. Kxg3 $17 {[%mdl 4096] Endgame KRR-KRN} Rg1+ 35. Kf3 Ke7 36. Nd6 {[#]} g6 $1 37. Ne4 Rxb2 38. Rc3 Rb7 39. Rc5 h6 40. h4 Rh1 41. h5 gxh5 42. gxh5 Rhb1 43. Ng3 R1b5 44. Rc6 R5b6 45. Nf5+ {[%mdl 64] Double Attack} Kd7 46. Rc4 Rf6 47. Kg4 Rb1 48. e4 Rg1+ 49. Kf4 Rg5 50. Ra4 {[#]} (50. Rd4+ $15 Kc7 51. Rc4+ Rc6 52. Ra4) 50... a6 $1 ({Reject} 50... Rxh5 $6 51. Rxa7+ Kd8 52. Ke5 $11) 51. Rb4 Rxh5 (51... Kc7 $142 52. Rc4+ Kb6 53. Rb4+ Kc7 54. Rc4+ Kd7 55. Rd4+ Kc6 56. Rc4+ Kd7 57. Rd4+ Kc6 58. Rc4+ Kd7) 52. Rb7+ Kc6 53. Ra7 (53. Re7 $142) 53... Kb5 (53... Kb6 $17 54. Re7 a5) 54. Rd7 (54. Ke5 $1 $11 {remains equal.} Re6+ 55. Kd5) 54... Ka4 55. Rd3 $2 {Loses the game.} ({Only move:} 55. Ke5 $15 Rb6 56. Rxf7) 55... Rh1 56. Ke5 Re6+ 57. Kd5 Rb1 {Hoping for ...Rb5+.} 58. Nd4 (58. Nd6 Rf6 59. e5) 58... Re8 $19 {Black is clearly winning.} 59. e5 (59. Nf5 $142 Rb5+ 60. Kc6 Rxe4 61. Nd6) 59... Rd8+ 60. Ke4 Re1+ 61. Kf5 h5 62. f4 h4 63. Kf6 h3 {[%mdl 64] Deflection} 64. Rxh3 Rxd4 65. f5 Rde4 {Weighted Error Value: White=0.34/Black=0.14} 0-1 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "5"] [White "Mamedyarov, Shakhriyar"] [Black "Caruana, Fabiano"] [Result "1-0"] [ECO "D38"] [WhiteElo "2782"] [BlackElo "2806"] [Annotator "TA"] [PlyCount "101"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,101,22,10,39,16,13,10,45,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,10,4,31,20,37, 33,36,32,139,29,56,58,50,78,91,91,137,137,152,131,150,117,142,145,126,125,141, 146,103,22,137,124,172,175,166,168,156,0,0,0,0,-581,0,0,0,0,45,45,45,42,45,45, 45,66,56,52,62,105,96,78,1439,1398,29973,29974,29968,12568]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. Qa4+ Nc6 8. e3 O-O {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 9. Rc1 Rd8 10. Be2 a6 { The position is equal.} 11. cxd5 exd5 12. O-O Bf8 13. Qb3 Na5 14. Qd1 (14. Nxd5 $2 Qe6 $19) 14... Nc6 {[%CAl Ba5c6,Bc6e7,Be7f5][%mdl 32]} 15. a3 {[#]} Rb8 $146 ({Predecessor:} 15... Ne7 16. Na4 c6 17. b4 Ng6 18. Nc5 Bd6 19. a4 b6 20. Nd3 a5 21. bxa5 Rxa5 {1/2-1/2 (30) Xu,Y (2528)-Li,S (2507) Hangzhou 2019}) 16. Na4 Bd6 17. Nc5 Ne7 18. b4 g5 19. Nd2 Nf5 20. Bg4 Kg7 21. h3 Rh8 22. Qf3 c6 {[#]} ( 22... b6 $14) 23. Ndb3 (23. Nde4 $1 $16 {[%mdl 512]} dxe4 24. Nxe4) 23... Bc7 24. e4 dxe4 $1 25. Nxe4 Qg6 26. d5 h5 27. Qc3+ f6 28. Bxf5 Bxf5 {[#]} 29. d6 $1 Bxe4 30. dxc7 Rbc8 31. Nc5 Bd5 32. Rcd1 Qf7 (32... Rxc7 $2 33. Rxd5 $1 { [%mdl 512]} Re8 34. Rd6 $18) 33. f4 (33. Rfe1 $16) 33... g4 {[#]} (33... gxf4 $1 $11 {keeps the balance.} 34. Rxf4 Rxc7) 34. f5 $1 $16 Rxc7 {[#]} 35. hxg4 $1 hxg4 36. Qg3 Re7 37. Rfe1 $2 ({White has to play} 37. Ne6+ $1 $16 Rxe6 38. Qxg4+ Kf8 39. fxe6) 37... Rhe8 $36 {[%mdl 2048] Black fights for an advantage.} ({Reject} 37... Rxe1+ $6 38. Rxe1 Rg8 39. Re3 $16) 38. Qxg4+ Kf8 39. Qh4 { [%mdl 8192]} (39. Rxe7 $11 Qxe7 40. Qh5 Qe3+ 41. Kh2 Qf4+ 42. Kg1 (42. Kh1 Qg3 $11) 42... Qe3+ 43. Kh2 Qf4+ 44. Kg1 (44. Kh1 Qg3 $11) 44... Qe3+) 39... Rxe1+ $2 (39... Qg7 $19 {[%csl Gd5][%CAl Rg7g2]} 40. Nd7+ Rxd7 41. Rxe8+ Kxe8 42. Re1+ Re7 43. Rxe7+ Kxe7) 40. Rxe1 Rxe1+ 41. Qxe1 Qh5 (41... Qg8 {is more complex.} 42. Qe2 Qh7 43. Ne6+ Kf7 44. Nd4 Qh6) 42. Nd7+ Kf7 {[#]} 43. Qe8+ $1 {[%mdl 64] Decoy} Kxe8 44. Nxf6+ {[%mdl 64] Double Attack} Kf7 45. Nxh5 $14 { [%mdl 4096] Endgame aiming for Kf2. KB-KN} Be4 46. Ng3 Bb1 47. Kf2 {Black must now prevent Kf3.} Kf6 48. Kf3 {Strongly threatening Kf4.} b6 $2 {[%mdl 8192]} ( 48... Kg5 $16) 49. Kf4 $18 c5 50. bxc5 bxc5 51. Ne4+ {Weighted Error Value: White=0.30/Black=0.50} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "5"] [White "Rapport, Richard"] [Black "Svidler, Peter"] [Result "0-1"] [ECO "A31"] [WhiteElo "2763"] [BlackElo "2714"] [Annotator "TA"] [PlyCount "63"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,63,0,0,5,0,0,-12,-12,-6,1,11,5,8,14,8,7,16,-4,-14,-27,-27,-39,-33,-48, -36,-79,-67,-70,-54,-61,-49,-60,-65,-93,-93,-93,-90,-113,-104,-158,-156,-159, -131,-693,-91,-101,-108,-137,-94,-146,-111,-351,-355,-354,-340,-330]} 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 e5 6. Nb5 {A31: Symmetrical English: 2 Nf3 Nf6 3 d4.} Bb4+ 7. Bd2 {Black must now prevent Bxb4. is now debated instead of 7.N1c3.} a6 8. N5c3 {The position is equal.} d5 9. cxd5 Nxd5 10. Bg2 Be6 11. O-O Nb6 (11... O-O 12. Nxd5 Bxd5 13. Bg5 Qxg5 14. Qxd5 Qe7 15. a3 Ba5 16. b4 Bb6 17. Nc3 Bd4 18. Rac1 Rac8 19. Na4 Rfd8 20. Qe4 g6 21. e3 {1/2-1/2 (50) Rapport,R (2763)-Svidler,P (2714) Paris 2021}) 12. Na4 Be7 13. Nxb6 Qxb6 14. Nc3 Rd8 {[#]} (14... Qxb2 $6 15. Rb1 $16) 15. Qc2 $146 ({Predecessor:} 15. Qc1 O-O 16. Be3 Nd4 17. Rd1 Rd7 18. b3 Rc8 19. Bxd4 Rxd4 20. Qb2 Qa5 21. Rxd4 exd4 22. Ne4 f5 23. Nd2 Qc3 24. Rb1 Qxb2 25. Rxb2 Rc1+ 26. Nf1 Bb4 {0-1 (26) Lalith,B (2484)-Istratescu,A (2627) Hastings 2011}) 15... O-O 16. Rad1 Nd4 17. Be3 Qb4 (17... Nxc2 $6 18. Bxb6 Rc8 19. Rd2 $14 (19. Bxb7 Rb8 $15)) 18. Qb1 Bf5 19. Qa1 Qc4 20. Kh1 Bb4 21. Bxb7 Bxc3 ({Much weaker is} 21... Nxe2 22. Nxe2 Qxe2 23. Bg2 $11) 22. bxc3 Nxe2 23. Rxd8 Rxd8 24. Rd1 ({White should play} 24. Bg2) 24... Rd3 $17 25. Bg2 Be4 26. Qb1 $2 {[%mdl 8192]} (26. Rxd3 $17 Qxd3 27. h3) 26... Rxd1+ $2 (26... Bxg2+ $19 27. Kxg2 Qd5+ 28. f3 Rxd1 29. Qb8+ Qd8) 27. Qxd1 {[%CAl Rd1d8] [#]} h6 $40 {[%mdl 128] Black has strong attack.} ({Don't play} 27... Bxg2+ $6 28. Kxg2 h5 29. Qd7 $11) 28. f3 Bd5 29. Qd2 (29. Qb3 $142) 29... Nxc3 {aiming for ...Bxf3!} 30. a3 $2 {[#]} (30. Kg1 $17 {was forced.}) 30... Bxf3 $1 $19 {[%mdl 512] ( -> ...Qf1+)} 31. Kg1 ({Don't blunder} 31. Qd8+ $2 Kh7 $19) 31... Bxg2 32. Kxg2 {Weighted Error Value: White=0.41/Black=0.25} 0-1 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "5"] [White "Nakamura, Hikaru"] [Black "So, Wesley"] [Result "1/2-1/2"] [ECO "C67"] [WhiteElo "2736"] [BlackElo "2772"] [Annotator "TA"] [PlyCount "53"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 27,28,0,10]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 Nxd4 9. Qxd4 d5 10. exd6 Qxd6 11. Qe4+ Qe6 12. Qd4 Qd6 13. Qe4+ Qe6 14. Qd4 Qd6 {[#] Predecessor:} 15. Qe3+ $146 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} Be7 16. Nc3 c6 17. Ne4 Qg6 18. Nc5 Qd6 19. Re1 b6 20. Ne4 Qe5 21. a5 bxa5 22. Rxa5 Qc7 23. Rg5 Kf8 24. Rxg7 h6 25. Qd4 Be6 26. Rg6 fxg6 27. Qxh8+ {1-0 (25) Abdusattorov,N (2627)-Nakamura,H (2736) Chess. com INT 2021} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "5"] [White "Xiong, Jeffery"] [Black "Shankland, Sam"] [Result "1-0"] [ECO "A18"] [WhiteElo "2710"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "85"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,85,10,10,24,17,18,20,22,15,26,26,41,16,24,19,16,10,13,8,89,77,166,61, 59,66,84,76,64,60,67,32,102,97,104,104,258,266,250,198,189,117,315,139,143,146, 130,131,131,119,133,95,110,105,164,191,213,93,91,62,64,62,68,63,65,24,79,0,60, 33,477,464,440,456,5783,5465]} 1. c4 e6 2. Nc3 Nf6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 b6 {is cutting edge theory. A18: English Opening: Flohr-Mikenas System (1 c4 Nf6 2 Nc3 e6 3 e4).} 8. g3 Bb7 9. Bg2 Qd8 {The position is equal.} 10. O-O Be7 11. d4 Nd7 {[#]} 12. a4 $146 ({Predecessor:} 12. Re1 O-O 13. Rb1 Nf6 14. Bg5 h6 15. Bxf6 Bxf6 16. c5 Bd5 17. Ne5 Bxg2 18. Kxg2 bxc5 19. dxc5 Qxd1 20. Rbxd1 {0-1 (58) Ghaem Maghami,E (2596)-Ponomariov, R (2710) Berlin 2015}) 12... a5 13. Re1 O-O 14. Bf4 Re8 15. Rb1 Ra7 (15... Rb8 $11 {keeps the balance.}) 16. d5 $1 $16 exd5 (16... Nc5 $16) 17. cxd5 (17. Nd4 $1 $18 {[%CAl Rd4b5] Strongly threatening Nb5.} Ra8 18. Nb5 (18. cxd5 Bd6 $14) (18. Bxd5 Bxd5 19. cxd5 Bd6 $14)) 17... Ra8 18. Nd4 {Threatens to win with Nb5. } Bd6 $1 19. Rxe8+ Qxe8 20. Bxd6 cxd6 21. Nc6 Qf8 (21... Ba6 $14) 22. Bh3 $36 { [%mdl 2048] Black is under strong pressure.} Nc5 23. Rxb6 Re8 $2 (23... g6 $16 24. c4 h5) 24. Nxa5 $18 Ba6 25. Nc6 Be2 {[#]} 26. Qd2 (26. Qa1 $1 $18) 26... Bf3 $2 (26... Nxa4 $16 27. Rb1 Nc5) 27. Bg2 (27. a5 $18) 27... Nxa4 $16 28. Rb4 ({Worse is} 28. Bxf3 Nxb6 29. Kg2 Na4 $17) 28... Bxg2 29. Kxg2 Nc5 30. h4 g6 31. Rb1 Qg7 32. Qd4 Qf8 {[#]} (32... h5 $16 {keeps fighting.} 33. Rb6 Qf8) 33. h5 $1 $18 gxh5 34. Rh1 (34. Qf4 $18 {has better winning chances.}) 34... Qh6 $16 35. Qd1 (35. Ra1 {seems wilder.} f5 36. Qh4 Ne4 37. Nd4 Qd2 38. Rf1) 35... Qg6 36. Qxh5 Nd3 37. Qxg6+ hxg6 $14 {[%mdl 4096] Endgame KRN-KRN} 38. Rb1 (38. Rd1 $5 {[%CAl Rd1d3]} Nc5 39. Nd4 $16) 38... Re4 (38... Re2 $11 {remains equal. }) 39. Kf3 (39. Rd1 $16 Ne1+ 40. Kf1) 39... Rc4 (39... f5 $1 $11) 40. Rb3 Rc5 $2 {[%mdl 8192]} ({Black should try} 40... Nc5 $14 41. Na5 Ra4 42. Rb8+ Kg7) 41. Ke3 $18 {White is clearly winning.} Nc1 (41... Ne5 42. Nxe5 dxe5 43. Ke4) 42. Ra3 Rxd5 (42... Rb5 $142 43. c4 Rb2 44. Ne7+ Kf8) 43. Ne7+ {[%mdl 64] Double Attack. Weighted Error Value: White=0.23/Black=0.46} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "5"] [White "Le, Quang Liem"] [Black "Dominguez Perez, Leinier"] [Result "1-0"] [ECO "D20"] [WhiteElo "2709"] [BlackElo "2758"] [Annotator "TA"] [PlyCount "82"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,82,38,13,16,30,32,24,14,16,16,22,10,8,82,79,74,85,76,72,70,55,94,75, 81,75,87,51,108,95,115,58,57,44,49,44,89,62,168,94,95,106,93,89,88,99,108,120, 116,89,113,111,156,0,0,0,0,0,0,-106,0,0,0,-294,25,25,26,27,55,53,40,48,47,57, 80]} 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Nc3 exd4 6. Nxd4 Nd7 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} 7. Bxc4 Ngf6 $1 8. O-O O-O {White has an edge.} 9. f3 Qe7 10. Qe2 {[#]} Ne5 $146 ({Predecessor:} 10... Rd8 11. Nf5 Qf8 12. Kh1 Ne5 13. Bg5 Bxc3 14. bxc3 {1/2-1/2 (14) Varkentin,W (2311)-Rau,J (2315) ICCF email 2017}) 11. Bb3 $36 {[%mdl 2048] White is pushing.} Bxc3 ( 11... Rd8 $11 {remains equal.} 12. Nc2 Ba5) 12. bxc3 $16 c5 {[#]} 13. Ba3 $1 Ng6 {[#]} 14. Rad1 $1 b6 (14... Bd7 15. Nc2) 15. c4 Bd7 16. Nc2 Nh5 17. Ne3 Nhf4 18. Qf2 Be6 (18... f5 $14) 19. Kh1 f5 20. Bc2 (20. Nxf5 $16 Bxf5 21. exf5 Rxf5 22. g3) 20... fxe4 $1 $14 21. Bxe4 Rad8 22. Bb2 Qg5 23. g3 (23. Qc2 { with more complications.} Nh5 24. Nd5 Bxd5 25. cxd5 Rd6 26. g3) 23... Nh5 ( 23... Nh3 $14 24. Qe2 Rxd1 25. Rxd1 Qh5) 24. Rxd8 (24. f4 $18 Rxd1 25. Rxd1 ( 25. fxg5 $2 {is the wrong capture.} Rxf2 26. Rxd1 Rxb2 $19)) 24... Qxd8 $16 25. f4 Nf6 26. Bf3 Bh3 27. Rd1 Qe7 28. Nd5 Nxd5 29. cxd5 Qd6 30. Re1 Nxf4 {[#] White must now prevent ...Nd3!} 31. gxf4 ({Only move:} 31. Be5 $1 $16 {[%CAl Re5d6]} Nd3 {[%mdl 64] Double Attack} 32. Bxd6 Nxf2+ 33. Kg1) 31... Qxf4 $11 32. Re3 {d6! is the strong threat.} Bg4 {[%CAl Rg4f3]} 33. Kg2 Qg5 {Hoping for ...Bxf3+.} 34. Kf1 {[#]} (34. Kh1 $1 $11 {was the only way to keep the balance. }) 34... Qf5 ({Black should try} 34... Qxe3 $3 $17 {[%mdl 512]} 35. Qxe3 Rxf3+ {[%mdl 64] Double Attack} 36. Ke2 Rxe3+ 37. Kxe3 Bd1) 35. Kg2 Bxf3+ 36. Qxf3 $4 {[%mdl 8192]} (36. Rxf3 $11 {and White has nothing to worry.} Qxd5 37. Qe3) 36... Qg5+ $2 ({Better is} 36... Qg6+ $19 37. Qg3 Qc2+ {[%mdl 64] Double Attack } 38. Kh3 Qxb2) 37. Qg3 Qxd5+ {[%mdl 64] Double Attack} 38. Kg1 {[%csl Gb2] [%CAl Rg3g7]} Qf7 {[%csl Gf8][%CAl Rf7f1] [#]} 39. Rf3 {White is slightly better.} Qe7 40. Rxf8+ Kxf8 41. Be5 {Threatens to win with Bd6.} Qf7 {Weighted Error Value: White=0.32/Black=0.29} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "6"] [White "Caruana, Fabiano"] [Black "Shankland, Sam"] [Result "1-0"] [ECO "B62"] [WhiteElo "2806"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "117"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,117,32,16,0,18,31,50,14,9,-11,45,16,39,41,45,49,43,14,36,35,51,24,32, 0,67,58,54,16,29,20,16,0,0,0,0,0,0,0,12,27,46,0,0,-104,-88,-85,-92,-103,-27, -59,-50,-200,-208,-205,-192,-507,-128,-132,43,40,138,152,212,204,211,216,204, 209,202,211,406,249,293,266,384,370,365,363,340,350,560,407,405,357,423,434, 400,416,1352,1172,1367,523,434,269,1027,1008,1226,1166,1558,1545,1478,1376, 29980,29981]} 1. e4 c5 2. Nc3 Nc6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bg5 e6 7. Qd3 Be7 8. O-O-O O-O 9. Kb1 {[#] B62: Sicilian: Richter-Rauzer: 6...e6: Unusual White 7th moves.} Bd7 $146 ({Predecessor:} 9... a6 10. f4 Bd7 11. Be2 Qc7 12. Qg3 Rfc8 13. e5 dxe5 14. fxe5 Nxe5 15. Bf4 Bd6 16. Bf3 Nc4 17. Bxd6 Nxd6 18. Nxe6 Bxe6 19. Rxd6 {1/2-1/2 (31) Stocek,J (2496)-Zvjaginsev,V (2641) Ubeda 2000}) 10. Nb3 a5 11. a3 {White is slightly better.} a4 12. Nd4 Qa5 ({ Black should try} 12... Nxd4 $11 13. Qxd4 Nxe4 14. Nxe4 Bxg5) 13. Bd2 Qb6 14. Be3 {Hoping for Nxe6!} Nxd4 15. Bxd4 Qa5 16. Be2 Rfc8 17. Qe3 b5 18. Na2 Qc7 19. Bc3 Qb7 (19... Bc6 $11) 20. Bf3 e5 21. Nb4 Rc4 {[%CAl Rf6e4]} 22. Rhe1 Rac8 23. h3 Be6 24. g4 Nd7 25. Bg2 h6 26. Bf1 R4c7 27. Nd5 Bg5 28. Qf3 (28. Qg3 $5 { [%CAl Rd5c7]}) 28... Rc5 29. Bd3 (29. Nb4 $11 {keeps the balance.}) 29... Bxd5 $17 30. exd5 Rxc3 31. bxc3 Nf6 (31... g6 $17 32. Bf1 Nf6) 32. Kb2 Qb6 33. Re4 Nxd5 $19 (33... Nxe4 34. Qxe4 g6 35. f3 $17) 34. h4 Bxh4 35. Qf5 $2 (35. Re3 { nothing else works.} Nxe3 36. Qxe3) 35... Ne7 $2 (35... Rxc3 $19 {is more deadly.} 36. Rf4 Nxf4 37. Kxc3 Nd5+ 38. Kd2 g6) 36. Qd7 $17 Rd8 $2 (36... Qxf2 37. Qxd6 Ng6 38. Qd5 $14) ({Better is} 36... Qc5 $17 37. Rb4 Nd5 38. Bh7+ { [%mdl 64] Decoy} Kxh7 39. Qf5+ Kg8 40. Rxd5 Qxc3+ 41. Ka2 g6) 37. Qxb5 $14 Qc7 {White stays focused until the end.} (37... Bxf2 $14 38. Qxb6 (38. Rxa4 Nd5 $11 ) 38... Bxb6) 38. Rc4 $36 {[%mdl 2048] White is in control.} ({But not} 38. Rxa4 $2 Rb8 $19) 38... Qa7 (38... Qb8 $16 39. Qxb8 (39. Rxa4 Qxb5+ 40. Bxb5 Bxf2 $16) 39... Rxb8+ 40. Rb4 Rd8) 39. Rxa4 $18 Qc7 40. Rb4 Bxf2 41. Qb7 Qxb7 42. Rxb7 Nc6 (42... Nd5 43. a4 Ne3) 43. a4 {[%CAl Ba3a4,Ba4a5][%mdl 32]} Bc5 44. Be4 Na5 (44... Rc8 $142 45. Bxc6 Rxc6) 45. Rb5 {Rxc5! is the strong threat. } Nc4+ 46. Kb3 Ne3 47. Rd3 {aiming for Rxc5!} Rc8 (47... Ba7 $142 48. Rxe5 Kf8) 48. a5 Nxg4 49. a6 Nf2 {[#]} 50. Bb7 {[%CAl Rb7c8]} Rf8 51. Rf3 e4 {[#]} (51... Ng4 $142 52. Rxc5 {[%mdl 64] Promotion} dxc5) 52. Rxc5 $1 {[%mdl 512]} exf3 { [%mdl 4096] Endgame KRB-KRN} 53. Rf5 (53. Rc8 $142 Rxc8 54. Bxc8) 53... Ng4 54. Rxf3 ({Not} 54. a7 f2 $16) 54... Rb8 $2 (54... Ne5) 55. Rf4 Ne5 56. Rb4 h5 57. a7 Rf8 58. Bd5 g5 59. Rb8 {Weighted Error Value: White=0.45/Black=0.56} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "6"] [White "Mamedyarov, Shakhriyar"] [Black "Le, Quang Liem"] [Result "1/2-1/2"] [ECO "E21"] [WhiteElo "2782"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "65"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,65,20,10,28,11,17,23,24,29,24,27,10,0,0,-3,-1,-8,0,-6,-6,-7,-4,-13, -16,-14,-14,-19,-4,-8,-2,-2,-3,-2,-3,-3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 cxd4 { E21: Nimzo-Indian: 4 Nf3.} 7. Nxd4 h6 8. Bh4 Be7 {White has an edge.} 9. e3 Nc6 10. Be2 Qb6 {[#]} 11. Qd2 $146 {The position is equal.} (11. Rc2 {is more complex.} d5 12. cxd5 Nb4 13. Rd2 Nbxd5 14. Nxd5 Nxd5 15. Bxe7 Nxe7 16. Nf3) ({ Predecessor:} 11. O-O Qxb2 12. Ndb5 Qb4 13. Bg3 Ne8 14. h3 Qa5 15. Bf3 Bf6 16. Ne4 Be5 17. Bxe5 Nxe5 {0-1 (48) Karthik,V (2305)-Gagare,S (2486) Bhubaneswar 2016}) 11... d5 12. cxd5 Nxd4 13. exd4 exd5 14. Bxf6 Bxf6 15. Nxd5 Qxd4 16. Nxf6+ Qxf6 17. O-O Be6 18. Bf3 Rad8 19. Qa5 Qxb2 20. Qxa7 b5 21. a4 bxa4 22. Qxa4 Qd4 23. Qxd4 Rxd4 24. Rfd1 Rfd8 25. Rxd4 Rxd4 26. Rd1 Rxd1+ 27. Bxd1 $11 { [%mdl 4096] Endgame KB-KB} g5 28. g3 Bd5 29. Be2 Be6 30. Bd1 Bd5 31. Be2 Be6 32. Bd1 Bd5 33. Be2 {An uneventful encounter. Weighted Error Value: White=0. 01/Black=0.03} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "6"] [White "So, Wesley"] [Black "Xiong, Jeffery"] [Result "1-0"] [ECO "D12"] [WhiteElo "2772"] [BlackElo "2710"] [Annotator "TA"] [PlyCount "79"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,79,23,29,35,35,3,10,19,19,19,19,6,20,0,33,0,63,52,77,66,70,70,61,60, 266,269,248,166,158,107,113,0,218,220,211,210,477,227,221,204,204,208,197,172, 661,651,654,657,969,977,880,793,2447,2270,2046,1923,29978,29979,29971,29973, 5687,5251,29989,29990,29990,29977]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qc7 9. Bd2 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5.} Be7 10. cxd5 cxd5 11. O-O-O {The position is equal.} Nc6 12. Nxg6 hxg6 13. Kb1 a6 14. Bd3 $5 {[%mdl 4] [#] A promising side line.} Kf8 $146 ({ Predecessor:} 14... Nd7 15. Rc1 Rc8 16. Ne2 b5 17. a4 bxa4 18. Qxa4 Nb6 19. Qxa6 Ra8 20. Qb5 Kd7 {1/2-1/2 (81) Goganov,A (2589)-Kardashevskiy,E (2427) Cheliabinsk 2021}) 15. Rc1 Rb8 (15... Na5 $11 16. Qd1 Nc6) 16. Ne2 $14 Rxh2 17. Rxh2 Qxh2 18. e4 $1 {[#] aiming for Bf4.} dxe4 19. fxe4 {Strongly threatening Bf4.} Rd8 $2 ({Black should play} 19... Nh5 $14) 20. Qxb7 $18 Nxd4 21. Nxd4 Rxd4 22. Rc8+ Rd8 23. Ba5 ({Better is} 23. Qxa6 $16 Qg1+ 24. Kc2) 23... Qg1+ $2 {White now steadily converts the win.} (23... Qh5 $11 {and Black has nothing to worry.} 24. Rxd8+ Bxd8 25. Bb4+ Kg8) 24. Rc1 Qd4 25. Bxa6 Rd7 $2 (25... Nxe4 {might work better.} 26. Rh1 (26. Bxd8 Bxd8 27. Be2 Nd2+ 28. Ka1 g5 $18) 26... Nf6) 26. Qb8+ (26. Qc8+ $142 Bd8 27. Bb5) 26... Ne8 27. Bb5 {Black must now prevent Qxe8+!} Qxe4+ 28. Ka1 Qb7 29. Qh2 $40 {[%CAl Rh2h8][%mdl 128] White attacks with force.} Bf6 $2 (29... Ba3 30. Bb4+ (30. Qh8+ Ke7 $15) 30... Bxb4 31. Bxd7 (31. Qh8+ Ke7 $15) 31... Qxd7) 30. Qh8+ Ke7 31. Bb4+ Nd6 32. Bxd6+ Kxd6 {[#]} 33. Rd1+ $1 Kc5 34. Rxd7 Bxb2+ 35. Kb1 Qe4+ 36. Kxb2 Qb4+ 37. Kc2 Qe4+ 38. Rd3 {Intending a4 and mate.} Qxg2+ 39. Kb3 Qb7 40. Qe8 {Weighted Error Value: White=0.21/Black=1.09} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "6"] [White "Dominguez Perez, Leinier"] [Black "Rapport, Richard"] [Result "0-1"] [ECO "C54"] [WhiteElo "2758"] [BlackElo "2763"] [Annotator "TA"] [PlyCount "192"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,192,16,27,18,10,11,12,2,23,0,17,18,23,23,12,12,3,18,8,12,22,0,5,11,0, -18,16,16,17,14,6,11,15,0,26,38,33,4,14,12,10,10,16,12,34,16,25,11,66,61,69,36, 54,47,49,38,41,35,34,13,44,37,41,43,52,31,29,31,32,0,40,0,63,37,54,53,49,46,47, 31,41,41,54,47,47,33,35,29,41,38,39,10,38,14,57,14,14,14,53,14,14,14,14,7,7,7, 7,7,7,0,0,0,7,0,7,7,7,0,0,0,7,0,7,0,5,0,7,0,0,0,0,0,0,-133,5,-6,0,-390,-393, -386,-391,-397,-403,-399,-402,-393,-393,-387,-370,-343,-271,-373,-365,-625, -612,-612,-572,-630,-608,-647,-471,-922,-805,-990,-827,-1296,-1169,-1235,-931, -928,-756,-1770,-1741,-2020,-2000,-3641,-4884,-29987,-29988,-29991,-29988, -29988,-29989]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 h6 6. O-O d6 $1 {6...d6 is better than 6...0-0.} 7. b4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Bb6 8. Nbd2 O-O 9. Re1 {The position is equal.} Ne7 10. Bb3 Ng6 {[#]} 11. a4 $146 {[%CAl Ba2a4,Ba4a5][%mdl 32] Strongly threatening a5.} ({Predecessor:} 11. Nf1 Nh5 12. a4 a6 13. d4 Qf6 14. Ne3 Nhf4 15. Bb2 Re8 16. Bc2 Be6 17. c4 exd4 18. Nxd4 {1-0 (54) Natacheev,P (2246) -Abelguzin,D (2150) Samara 2014}) 11... c6 12. a5 Bc7 13. d4 Re8 14. dxe5 dxe5 15. Qc2 Nh7 16. Bc4 Qf6 17. g3 Bg4 18. Be2 Rad8 19. Kg2 Qe6 20. Ng1 Bxe2 21. Rxe2 b6 22. Qa2 Qg4 {Threatens to win with ...Nf4+.} 23. f3 Qc8 24. Nb3 Rd3 25. Qc2 Red8 26. Rd2 Rxd2+ 27. Bxd2 Qe6 28. c4 Nf6 29. Be3 Rd7 ({Better is} 29... Qd6 $11) 30. axb6 axb6 31. Nh3 Qe7 32. c5 b5 33. Ra6 Qe6 34. Nf2 Rd8 35. Nd2 Ne7 36. Qa2 Qd7 37. Ra7 Rb8 38. Qa3 Nc8 39. Ra6 Ne7 40. Qa2 Rd8 41. Ra7 Rb8 42. Ra3 Qc8 43. Nb3 Qe6 44. Nc1 Qd7 45. Ncd3 Qd8 46. Bd2 Ng6 47. Ra6 Qe8 48. Ra7 Rc8 49. Be3 Qd8 50. Ra6 Qd7 51. Bd2 Qe8 52. Bc3 Kh7 53. Ra7 Nd7 54. Kf1 Nb8 55. Ke2 Nd7 56. Ra6 Ndf8 57. Qa1 Ne6 58. Ra7 {[%CAl Rd3e5]} ({But not} 58. Nxe5 Nxe5 59. Bxe5 {[#]} Nxc5 $1 $15) (58. Bxe5 $2 Bxe5 59. Nxe5 Nc7 $17) 58... Bb8 59. Ra8 f6 60. Qa2 Rd8 61. Ra6 Qd7 62. Ra8 Nc7 63. Ra3 Ne6 64. Ra8 Nc7 65. Ra3 Qe8 66. Ra5 Qd7 67. Ra3 Nf8 68. Qb1 Nfe6 69. Bb2 Nd4+ 70. Bxd4 Qxd4 71. Qa1 Qd7 72. Nc1 (72. Kf1 $11 {remains equal.}) 72... Ne6 (72... Qd2+ $17 73. Kf1 Qxb4) 73. Nb3 Qf7 74. Ra8 $2 {[%mdl 8192] Black keeps a firm grip on the game.} (74. Kf1 $11 {and White has nothing to worry.}) 74... Nc7 $19 75. Ra3 Qc4+ {[#] Double Attack} 76. Ke1 {intending Na5.} Qxb4+ 77. Kf1 Qc4+ 78. Kg2 b4 79. Na5 Qxc5 80. Ra2 {next Nb7 is good for White.} Qb5 81. Nb3 Ne6 82. Rc2 $2 (82. Qf1) 82... Nd4 83. Nxd4 exd4 84. Qb1 c5 85. e5 {Rxc5+ is the strong threat.} f5 86. Ra2 (86. Rb2 $142 d3 87. e6) 86... d3 87. e6 c4 88. Ra8 Bc7 89. Ra7 Qb6 90. Ra4 Bd6 91. Qe1 Be7 92. Qe5 Qc5 93. Qf4 d2 94. Nd1 c3 {Black mates.} 95. Rxb4 Qxb4 96. Qxf5+ Kh8 {Weighted Error Value: White=0.10/Black=0.09} 0-1 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "6"] [White "Svidler, Peter"] [Black "Nakamura, Hikaru"] [Result "1/2-1/2"] [ECO "C54"] [WhiteElo "2714"] [BlackElo "2736"] [Annotator "ChessBase"] [PlyCount "87"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "300+2"] 1. e4 {[%emt 0:00:01]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:02]} Nc6 { [%emt 0:00:01]} 3. Bc4 {[%emt 0:00:01]} Bc5 {[%emt 0:00:02]} 4. c3 {[%emt 0:00: 01]} Nf6 {[%emt 0:00:01]} 5. d3 {[%emt 0:00:01]} a6 {[%emt 0:00:03]} 6. a4 { [%emt 0:00:10]} d6 {[%emt 0:00:02]} 7. O-O {[%emt 0:00:03]} Ba7 {[%emt 0:00:04] } 8. a5 {[%emt 0:00:03]} O-O {[%emt 0:00:07]} 9. Be3 {[%emt 0:00:01]} h6 { [%emt 0:00:35]} 10. Nbd2 {[%emt 0:00:11]} Re8 {[%emt 0:00:23]} 11. Bxa7 { [%emt 0:00:03]} Rxa7 {[%emt 0:00:06]} 12. Re1 {[%emt 0:00:04]} Be6 {[%emt 0:00: 07]} 13. Bxe6 {[%emt 0:00:07]} Rxe6 {[%emt 0:00:01]} 14. d4 {[%emt 0:00:02]} Re8 {[%emt 0:00:04]} 15. d5 {[%emt 0:00:05]} Ne7 {[%emt 0:00:04]} 16. c4 { [%emt 0:00:04]} Nd7 {[%emt 0:00:29]} 17. b4 {[%emt 0:00:02]} c5 {[%emt 0:00:06] } 18. bxc5 {[%emt 0:00:25]} Nxc5 {[%emt 0:00:03]} 19. Nb3 {[%emt 0:00:01]} Nd7 {[%emt 0:00:16]} 20. Qd2 {[%emt 0:00:13]} Ra8 {[%emt 0:00:06]} 21. Rec1 { [%emt 0:00:30]} Rc8 {[%emt 0:00:10]} 22. Qb4 {[%emt 0:01:01]} Qc7 {[%emt 0:00: 01]} 23. Rab1 {[%emt 0:00:03]} Ng6 {[%emt 0:00:42]} 24. g3 {[%emt 0:00:08]} Ne7 {[%emt 0:00:03]} 25. Qd2 {[%emt 0:00:21]} f5 {[%emt 0:00:18]} 26. exf5 { [%emt 0:00:01]} Nxf5 {[%emt 0:00:01]} 27. Qc2 {[%emt 0:00:44]} e4 {[%emt 0:00: 10]} 28. Nfd2 {[%emt 0:00:10]} Nf6 {[%emt 0:00:06]} 29. Re1 {[%emt 0:00:01]} e3 {[%emt 0:00:47]} 30. Qxf5 {[%emt 0:00:04]} exd2 {[%emt 0:00:01]} 31. Nxd2 { [%emt 0:00:02]} Qxa5 {[%emt 0:00:06]} 32. Ne4 {[%emt 0:00:17]} Nxe4 {[%emt 0: 00:06]} 33. Rxe4 {[%emt 0:00:01]} Qc7 {[%emt 0:00:03]} 34. Re6 {[%emt 0:00:07]} Rf8 {[%emt 0:00:01]} 35. Qg6 {[%emt 0:00:11]} Qc5 {[%emt 0:00:05]} 36. Rf1 { [%emt 0:00:04]} Rc7 {[%emt 0:00:02]} 37. Re8 {[%emt 0:00:11]} Rcf7 {[%emt 0:00: 05]} 38. Qe6 {[%emt 0:00:07]} Rxe8 39. Qxe8+ {[%emt 0:00:01]} Rf8 {[%emt 0:00: 03]} 40. Qe6+ {[%emt 0:00:01]} Kh8 {[%emt 0:00:02]} 41. Qe7 {[%emt 0:00:01]} Kg8 {[%emt 0:00:09]} 42. Qe6+ {[%emt 0:00:00]} Rf7 {[%emt 0:00:07]} 43. Qe8+ { [%emt 0:00:01]} Rf8 {[%emt 0:00:01]} 44. Qe6+ {[%emt 0:00:01]} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "7"] [White "Rapport, Richard"] [Black "Mamedyarov, Shakhriyar"] [Result "1/2-1/2"] [ECO "A16"] [WhiteElo "2763"] [BlackElo "2782"] [Annotator "TA"] [PlyCount "102"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,102,44,52,58,36,24,47,46,72,0,0,0,2,-18,-18,-29,0,-9,0,0,0,0,0,0,0,0, 0,0,17,6,23,29,37,34,54,54,61,11,8,7,4,6,9,0,0,-14,-16,-22,-14,-23,-23,-23,-6, -10,0,-36,0,-36,-8,-8,-8,-89,-9,-27,0,-89,-97,-347,-347,-347,-347,-347,-340, -340,-333,-318,-293,-285,-284,-285,-246,-4718,-9,-16,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 e5 5. Nxe5 O-O 6. Nf3 {A16: English Opening: 1...Nf6 with ...d5.} Re8 7. Bd3 d5 8. cxd5 {White is slightly better.} Nxd5 { [#]} 9. Nxd5 $146 (9. O-O $16 Nb6 10. Bb5) ({Predecessor:} 9. O-O Nf4 10. Bc4 Be6 11. d3 Bxc4 12. dxc4 Qxd1 13. Rxd1 Bxc3 14. Bxf4 Bxb2 15. Rab1 {1/2-1/2 (56) Lupulescu,C (2656)-Ponkratov,P (2624) Tornelo INT 2021}) 9... Qxd5 $11 10. Bc2 Bg4 11. h3 Bxf3 12. Qxf3 Nc6 {White should prevent ...Nd4.} 13. O-O Qd7 14. Ba4 Rad8 15. Rd1 Nd4 16. Bxd7 Nxf3+ 17. gxf3 Rxd7 18. d3 c5 19. Be3 Bxb2 20. Rab1 Bd4 21. Bxd4 cxd4 $14 {[%mdl 4096] Endgame KRR-KRR} 22. Rdc1 Kg7 23. f4 Re6 24. Rc4 Rf6 25. Rbb4 Rxf4 26. Rxd4 Rc7 27. Rbc4 Rxc4 28. Rxc4 $11 {KR-KR} Rf3 {[%mdl 64] [#] Double Attack} 29. Rd4 Rxh3 30. Rd7 g5 31. Kg2 g4 32. a4 h5 33. a5 h4 34. e5 $1 (34. Rxb7 Rxd3 35. Rxa7 h3+ 36. Kh2 Rd2 $19) 34... Kg6 35. Rd6+ (35. Rxb7 $11 Rxd3 36. Rxa7) 35... Kg5 (35... Kf5 $17 36. d4 Rf3) 36. Rd7 Kg6 ({Better is} 36... Rf3 $11) 37. Rd6+ $17 Kf5 38. Rf6+ $2 (38. d4 $17 { might work better.}) 38... Kxe5 $19 39. Rxf7 Rxd3 40. Rxb7 a6 41. Re7+ Kf6 42. Rh7 h3+ 43. Kg1 {If White can now play Rh8 this consolidates a bit.} Rd1+ 44. Kh2 Kg6 45. Ra7 {[#]} (45. Rh8 Ra1 46. Rg8+ Kh5 47. Rh8+ Kg5 48. Rg8+ Kf5 49. Rh8) 45... Rd6 $2 (45... Rf1 $1 $19 {[%CAl Rf1f2]} 46. Rxa6+ Kf5) 46. Kg3 $11 { The position is equal.} Rd3+ 47. Kxg4 h2 48. Rxa6+ Kg7 (48... Kh7 $5 49. Ra7+ $8 Kg8 50. Ra8+ Kh7 51. Ra7+ Kg8 52. Ra8+ Kh7 53. Ra7+ $11) 49. Ra7+ Kg6 (49... Kh6 $5 50. Ra6+ $8 Kg7 51. Ra7+ Kh6 52. Ra6+ Kg7 $11) 50. Ra6+ Kg7 (50... Kh7 $5 51. Ra7+ $8 Kg8 52. Ra8+ Kh7 53. Ra7+ Kg8 54. Ra8+ Kh7 55. Ra7+ $11) 51. Ra7+ Kg6 {Black had all chances to win. Weighted Error Value: White=0.40/ Black=0.23} (51... Kh6 $5 52. Ra6+ $8 Kg7 $11) 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "7"] [White "Nakamura, Hikaru"] [Black "Dominguez Perez, Leinier"] [Result "1/2-1/2"] [ECO "C65"] [WhiteElo "2736"] [BlackElo "2758"] [Annotator "TA"] [PlyCount "117"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,117,5,4,15,15,2,8,14,10,20,18,-12,-2,-2,-9,-21,0,-12,10,9,21,2,9,0,0, 0,0,0,0,-18,-34,-60,-22,-27,-23,-19,0,0,0,-23,-18,-18,-18,-21,-5,-12,0,-25,0, -10,0,0,0,0,0,-16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. O-O Nd4 {[#]} 6. Be3 $1 {C65: Ruy Lopez: Berlin Defence (3... Nf6), unusual lines and 4 0-0 Bc5.} Nxf3+ (6... O-O 7. Bxd4) 7. Qxf3 Bxe3 8. Qxe3 O-O 9. d4 d6 {[#]} 10. Nc3 $146 ({Predecessor:} 10. Be2 Re8 11. Nc3 c6 12. dxe5 dxe5 13. Rad1 Qb6 14. Qxb6 axb6 15. a4 Be6 16. b3 {1/2-1/2 (33) Nakamura, H (2741)-Anand,V (2757) Kolkata 2019}) 10... c6 11. Bc4 b5 12. Be2 Re8 13. dxe5 dxe5 14. Rfd1 Qb6 15. Qxb6 axb6 16. a3 Be6 17. f3 Kf8 18. Kf2 Ke7 19. g4 h5 { [%CAl Rh5g4]} 20. h3 hxg4 21. hxg4 Rh8 22. Rh1 Rxh1 23. Rxh1 Nd7 24. Rh7 g6 25. Ke3 Nc5 26. Rh1 Rd8 27. Nd1 Ra8 28. Nc3 Rd8 29. Nd1 {The position is equal.} Ra8 30. Nf2 Bc4 31. Bd1 Be6 32. g5 Rd8 33. Be2 Ra8 34. Nd3 Nxd3 35. Bxd3 $11 { [%mdl 4096] Endgame KRB-KRB} Kd6 36. c3 Ke7 37. Bc2 Rd8 38. Rh2 (38. Bd3 { keeps more tension.} Bc4 39. Be2 Ke6 40. Rh6 Ke7 41. Rh1) 38... Bc4 39. f4 (39. Rh7 {seems wilder.} Be6 40. Rh1 Bc4 41. Rh7) 39... exf4+ 40. Kxf4 Bd3 41. Bb3 { next Rd2 is good for White.} Bc4 42. Bc2 Bd3 43. Ke5 Bxc2 44. Rxc2 {KR-KR} Rd1 45. c4 Rg1 46. Kf4 Rf1+ 47. Ke3 bxc4 48. Rxc4 c5 49. b4 Ra1 50. bxc5 Rxa3+ 51. Kf4 bxc5 52. Rxc5 Ra7 53. Rc8 Ra5 54. Rb8 Rc5 (54... Ke6 {is interesting.} 55. Rb6+ Ke7 56. Rb7+ Ke6 57. Rb6+) 55. Ra8 Rb5 56. Rc8 Ra5 57. Rb8 Rc5 58. Ra8 $1 Rb5 59. Rc8 {Weighted Error Value: White=0.03/Black=0.03} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "7"] [White "Xiong, Jeffery"] [Black "Svidler, Peter"] [Result "1-0"] [ECO "D85"] [WhiteElo "2710"] [BlackElo "2714"] [Annotator "TA"] [PlyCount "41"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 28,41,37,42,35,42,32,0,31,25,101,114,199,213,29997,29998]} 1. d4 { Krasenkow,M} Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Rb1 O-O 9. Be2 cxd4 10. cxd4 Qa5+ 11. Bd2 Qxa2 12. O-O Bg4 13. Bg5 h6 14. Bh4 g5 15. Bg3 Nc6 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} 16. d5 Rad8 {[#]} 17. h4 $1 $146 {[%mdl 8] An important novelty.} ({Predecessor:} 17. Rxb7 e6 18. Bc7 Bxf3 19. Bxf3 Rd7 20. dxc6 Rxd1 21. Rxd1 Qc2 22. Bd6 g4 23. Bxg4 Qxc6 24. Rc7 Qb6 25. Rd7 Rd8 26. Bc7 Rxd7 27. Bxb6 Rxd1+ 28. Bxd1 axb6 29. Kf1 {1/2-1/2 (29) Kramnik,V (2772)-Anand,V (2788) Moscow 2009 CBM 133 [Krasenkow,M]}) 17... e6 {[%CAl Re6d5]} 18. hxg5 exd5 ( 18... hxg5 $11 19. Qc1 exd5 20. Qxg5 Be6) 19. gxh6 $1 $16 dxe4 {[#]} (19... Bxh6 $16 {keeps fighting.} 20. Ra1 Qb2 21. exd5 Bg7) 20. Qc1 $1 $18 {[%CAl Rc1g5] Threatening mate with Qg5!} exf3 $2 {[#]} ({Worse is} 20... Qxe2 {[#]} 21. Qg5 $1 Qxf1+ 22. Rxf1 exf3 23. Qxg7#) (20... Bf6 $18) 21. Qg5 $1 {[%csl Gh6][%CAl Rg5g7][%mdl 64] Double Attack, Pin. Weighted Error Value: White=0. 06/Black=1.11} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "7"] [White "Le, Quang Liem"] [Black "Caruana, Fabiano"] [Result "0-1"] [ECO "A46"] [WhiteElo "2709"] [BlackElo "2806"] [Annotator "TA"] [PlyCount "136"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,136,14,19,17,35,14,26,24,31,19,41,0,12,0,0,0,0,0,0,0,-11,0,0,-8,8,-7, 0,0,12,0,0,3,20,11,25,-16,-17,-39,-34,-29,-31,-64,-47,-26,-20,-47,13,12,9,0,6, 5,89,-208,-204,-213,-210,-317,-318,-317,-317,-317,-317,-317,-317,-317,-317, -317,-308,-317,-317,-376,-369,-369,-369,-375,-375,-1189,-1189,-1160,-961,-626, -600,-1147,-1095,-29963,-29964,-29962,-9200,-29973,-29972,-29971,-29972,-29973, -224,-254,-224,-254,-224,-6335,-254,-247,-247,-5004,-5004,-29979,-3125,-9758, -1920,-1354,-812,-29969,-1691,-29980,-29981,-29981,-29981,-29981,-29982,-29982, -29983,-29983,-29984,-29984,-29985,-29986,-29987,-29989,-29990]} 1. d4 Nf6 2. Nf3 d6 3. Nc3 Bf5 4. Bg5 d5 5. e3 {[#]} Nbd7 $146 ({Predecessor:} 5... e6 6. Bd3 c6 7. Bxf5 exf5 8. Qd3 g6 9. g4 fxg4 10. Ne5 Be7 11. O-O-O Nbd7 12. Bxf6 Nxf6 {1-0 (42) Nguyen,N (2588)-Iuldachev,S (2497) Subic Bay 2009}) 6. Bd3 { A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} Bg6 7. O-O e6 8. e4 { White has an edge.} dxe4 {[#]} 9. Nxe4 Be7 10. Ng3 O-O 11. Bxg6 hxg6 12. c4 c5 13. Qe2 cxd4 14. Nxd4 a6 15. a3 Qc7 16. b4 b6 17. Rfd1 Rfe8 18. Rac1 Bf8 19. h3 e5 20. Nc2 e4 21. Ne3 a5 22. Bxf6 Nxf6 23. Nd5 Nxd5 24. cxd5 Qe5 25. Rc6 axb4 26. axb4 Rad8 27. Rxb6 Bd6 (27... Rxd5 $15 28. Rxd5 Qxd5) 28. Nf1 $11 f5 29. Rc6 f4 30. b5 Qg5 (30... Qf5 $11 {remains equal.}) 31. Qg4 $2 {[%mdl 8192] This move loses the game for White.} (31. Qc2 $1 $16) 31... Qxg4 $19 32. hxg4 e3 33. Nh2 (33. fxe3 {might work better.} fxe3 34. Re1) 33... e2 34. Re1 Bb4 $1 {[%csl Bd5,Be1]} 35. Nf3 {intending Rb1.} Bxe1 ({But not} 35... Rxd5 36. Rec1 $19) 36. Nxe1 Rxd5 {[%mdl 4096] Endgame ( -> ...Rd1!). KRR-KRN} 37. f3 Kf7 38. b6 Rb5 39. Kf2 g5 40. g3 Re6 41. Rc7+ Re7 42. gxf4 gxf4 43. Rc6 $2 (43. g5) 43... g5 44. Rd6 Kg7 45. Rc6 Rb7 46. Kxe2 R5xb6 47. Rxb6 Rxb6 {KR-KN} 48. Nd3 Kf6 (48... Rb3 $142 49. Nc1 Rc3 50. Nd3 Kf6 51. Kd2 Ra3 52. Nc5 Rxf3 53. Ke2 Re3+ 54. Kf1 Ke7 55. Na4 Kd6 56. Nb2 Rb3 57. Na4 Re3 58. Kf2 Rg3 59. Nb2 Kd5 60. Na4 Rxg4 61. Nc3+ Ke5 62. Ke2 Rg2+ 63. Kf1 f3 64. Nd1 Kd4 65. Nf2 g4 66. Ke1 g3 67. Nh1 Re2+ 68. Kf1 g2+ {[%mdl 64] Double Attack} 69. Kg1 Re1+ 70. Kh2 g1=Q+ 71. Kh3 Qg2+ 72. Kh4 Rxh1#) 49. Nf2 Rb2+ 50. Kf1 Ra2 51. Ne4+ {[#]} Kg6 $2 (51... Ke5 $1 {mates} 52. Nxg5 Kd4 53. Nf7 Ke3 54. Ne5 Rc2 55. Kg1 Rc5 56. Nd7 Rd5 57. Nf6 Rd2 58. Ne4 Rb2 59. Kh1 Kxf3 60. Nf6 Rg2 61. Nd5 Rxg4 62. Kh2 Rg2+ 63. Kh3 Rg5 64. Nf6 Rf5 65. Kh4 Rxf6 66. Kg5 Rf8 67. Kh6 Kg4 68. Kg6 f3 69. Kg7 Rf5 70. Kh8 f2 71. Kg7 f1=Q 72. Kh6 Rg5 73. Kh7 Qh3#) 52. Kg1 Ra5 53. Kf2 Kf7 {Hoping for ...Ke6.} 54. Ke2 $2 (54. Nd6+ Ke6 55. Nf5) 54... Rd5 $2 ( 54... Ke6 {Threatens to win with ...Rd5.} 55. Kd3 Kf7) 55. Nc3 Re5+ 56. Kf2 $2 (56. Ne4) 56... Ke6 57. Nb1 Rd5 (57... Kd5 $142 58. Nc3+ Kd4 59. Nd1 Ra5 60. Kg2 Ra2+ 61. Kh3 Ra1 62. Nf2 Rf1 63. Kg2 {[#]} Rxf2+ $1 {[%mdl 512]} 64. Kxf2 Kd3 65. Kg1 Ke3 66. Kf1 Kxf3 67. Ke1 Kg2 68. Kd2 f3 69. Kc3 f2 70. Kd4 f1=Q 71. Kc5 Kf3 72. Kd6 Qb5 73. Ke6 Kxg4 74. Ke7 Qc6 75. Kf8 Kf5 76. Kg7 Qc7+ 77. Kh6 g4 78. Kh5 Qh7#) 58. Nc3 Rd4 (58... Rc5 $142 59. Ne4 Re5) 59. Ke2 Ke5 60. Nd1 Ra4 (60... Rb4 $142 61. Kd3 Rb1 62. Kc2 Ra1 63. Kd2 Ra2+ 64. Kd3 Rh2 65. Nc3 Rf2 66. Nb5 Rxf3+ 67. Ke2 Rg3 68. Kf2 Rxg4 69. Na3 Rg3 70. Nc4+ Kd4 71. Nd6 Rb3 72. Nf5+ Ke4 73. Nh6 Rb2+ 74. Ke1 f3 75. Ng4 Kf4 76. Nf2 Re2+ 77. Kf1 g4 78. Nd3+ Ke3 79. Ne5 g3 80. Nc4+ Kd3 81. Na3 Rd2 82. Nc2 Kxc2 83. Kg1 Rd1#) 61. Nf2 Ra2+ {Black mates.} 62. Kf1 Kd4 63. Ne4 Ke3 64. Nxg5 Ra5 65. Ne4 Kxf3 {[%CAl Ra5a1]} 66. Nd2+ Kxg4 67. Nc4 Ra2 68. Ne5+ Kg3 {Weighted Error Value: White=1. 01/Black=0.74} 0-1 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "7"] [White "Shankland, Sam"] [Black "So, Wesley"] [Result "1-0"] [ECO "C45"] [WhiteElo "2709"] [BlackElo "2772"] [Annotator "TA"] [PlyCount "99"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,99,0,4,0,23,20,18,20,23,12,20,0,0,0,37,35,33,32,41,31,47,36,81,79,91, 87,111,109,85,79,108,73,98,55,54,50,55,47,107,111,89,104,302,126,123,84,132, 132,168,152,228,124,122,117,128,126,125,141,132,140,126,125,127,139,133,132, 124,130,162,67,68,64,306,170,417,424,434,437,407,392,416,392,365,393]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 {[%CAl Bb7c6,Bc6d5][%mdl 32]} 6. Bd3 d5 7. exd5 cxd5 8. O-O Be7 9. c4 O-O 10. Nc3 {C45: Scotch Game.} Bb7 {[#]} 11. Qf3 $146 ({Predecessor:} 11. Qb3 Ba6 12. Nxd5 Nxd5 13. cxd5 Rb8 14. Qc2 Bxd3 15. Qxd3 Bf6 16. Bf4 Rb4 17. Qf3 Bxb2 {1/2-1/2 (49) Mrazik,L (2508)-Frey Beckman,K (2700) ICCF email 2004}) 11... Rb8 {White must now prevent ...dxc4.} 12. Nxd5 {The position is equal.} Nxd5 13. Be4 {[%mdl 64] Pin} c6 14. cxd5 cxd5 15. Bd3 Ba8 16. b3 $40 {[%mdl 128] White is up to no good.} d4 17. Qg3 Bd6 18. Bf4 Bxf4 19. Qxf4 Qd5 {[%csl Ga8][%CAl Rd5g2]} 20. f3 Rbe8 21. Rfd1 Rd8 22. Rac1 Qa5 23. Rc2 g6 24. Qc7 Qg5 {White should prevent ...Bxf3.} 25. Qg3 Qf6 26. Rc7 Qb6 27. h4 Rc8 ({Black should try} 27... Qa5 $14) 28. Rdc1 $16 Rxc7 29. Rxc7 h5 $2 (29... Bd5 $16) 30. Qf4 (30. Qe5 $18 {And now Bc4! would win.} Qe6 31. Qxe6 (31. Qxd4 Qd5 $18) 31... fxe6 32. Bxg6) 30... Bd5 31. Kh2 Rd8 32. Qe5 a5 33. Qe7 $1 {[%CAl Re7d8]} Rf8 {[#]} (33... Qd6+ $16 {was necessary.} 34. Qxd6 Rxd6) 34. Rd7 (34. Bxg6 $1 $18 {[%mdl 512]} Qe6 35. Bxh5) 34... Be6 35. Qd6 Qb4 {[#]} 36. Qxb4 $1 axb4 37. Rxd4 {[%mdl 4096] Endgame KRB-KRB} Ra8 38. Bb1 Rb8 39. Kg3 Kg7 40. Kf4 Kf6 41. g4 hxg4 42. fxg4 Ke7 43. h5 ({White should play} 43. Kg5 $18) 43... gxh5 $14 44. gxh5 {aiming for h6.} Rg8 $2 (44... Rh8 $14) 45. Bf5 (45. h6 $142 {Strongly threatening h7.} Kf6 46. Be4 Rg4+ 47. Kf3) 45... Rg2 $2 (45... Bxf5 {is a better defense.} 46. Kxf5 Rb8) 46. Bxe6 $18 Kxe6 47. Rxb4 Rxa2 48. Rb6+ {White is winning.} Ke7 49. b4 Rh2 50. h6 {Weighted Error Value: White=0.22/Black=0.31} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "8"] [White "Caruana, Fabiano"] [Black "So, Wesley"] [Result "1-0"] [ECO "C90"] [WhiteElo "2806"] [BlackElo "2772"] [Annotator "TA"] [PlyCount "82"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,82,16,0,19,10,21,0,0,0,0,0,0,0,13,0,0,0,-1,-18,0,-12,0,0,-7,-17,-18, -31,108,140,125,129,120,117,147,154,157,151,155,150,137,30,50,0,0,0,63,60,72, 108,237,243,294,274,291,288,469,469,530,543,480,332,803,606,1353]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 b4 9. a5 d6 10. c3 Rb8 11. Bc4 Bg4 {C90: Closed Ruy Lopez with 7...d6: Early deviations.} ( 11... Nxe4 $5 12. Bd5 (12. Rxe4 $2 d5 $17 {[%mdl 64] Double Attack}) 12... Nxf2 13. Kxf2 Nxa5 $11) 12. h3 Bh5 13. d3 {[#]} bxc3 $146 {The position is equal.} ( {Predecessor:} 13... Qc8 14. Nbd2 Na7 15. Nf1 c6 16. Ng3 bxc3 17. Nxh5 cxb2 18. Bxb2 Rxb2 19. Qc1 Rb8 {1-0 (64) Mrdja,M (2288)-Vucenovic,D (1837) Krapina 2020} ) 14. bxc3 Nxa5 $1 15. Rxa5 Rxb1 16. g4 Bg6 17. Qc2 Rb8 18. Rxa6 Qc8 19. Kh2 Kh8 20. Qe2 c6 21. Ra7 Bd8 22. Ba6 Qe6 23. Be3 Nxg4+ (23... Kg8 $15 {keeps the upper hand.}) 24. hxg4 $16 Qxg4 {White must now prevent ...f5.} 25. Nd2 $1 Qh4+ 26. Kg2 $1 {aiming for Rh1.} f5 27. Rh1 Qf6 {Hoping for ...f4.} 28. exf5 Bxf5 29. Qh5 Bb6 30. Bxb6 (30. Ne4 $1 $16 {[%CAl Re4f6]} Bxe4+ 31. dxe4) 30... Rxb6 $11 31. Nf3 (31. Qh4 $5 {[%CAl Rh4f6]} h6 32. Qxf6 Rxf6 33. Nc4 $16) 31... Bg6 32. Qg4 d5 ({Better is} 32... Rb2 $11 33. Rc7 d5) 33. Qg3 $1 $14 Rb2 {[#] Strongly threatening ...e4.} 34. Rf1 $1 ({Wrong is} 34. Nxe5 $2 Rxf2+ 35. Kg1 Rf1+ 36. Kg2 Rxh1 $19) 34... e4 {This costs Black the game.} (34... Re8 $16 { was called for.}) 35. Ne5 $18 Bh5 36. dxe4 dxe4 {[#]} 37. Bc4 $1 e3 $2 (37... Be2 {keeps fighting.}) 38. Qxe3 h6 39. Qg3 Rd2 40. Rd7 Bf3+ $2 (40... Rxd7 41. Nxd7 Qf3+ 42. Qxf3 Rxf3) 41. Kg1 Bd5 {[%emt 0:00:32] Weighted Error Value: White=0.21/Black=0.} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "8"] [White "Mamedyarov, Shakhriyar"] [Black "Nakamura, Hikaru"] [Result "1/2-1/2"] [ECO "D37"] [WhiteElo "2782"] [BlackElo "2736"] [Annotator "TA"] [PlyCount "139"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,139,19,29,0,17,17,17,17,20,17,22,14,20,18,19,17,17,23,17,22,14,21,29, 29,25,30,24,22,24,25,41,34,33,33,52,20,22,22,36,25,30,29,37,25,25,25,25,25,25, 8,8,7,13,5,25,25,25,25,25,25,32,25,28,17,36,16,27,25,31,0,35,0,34,0,21,28,21, 18,64,34,48,0,65,0,56,0,54,0,72,26,26,18,33,0,0,0,0,0,0,-20,0,0,0,0,0,0,8,8,8, 8,16,0,0,0,0,-165,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. a3 {D37: Queen's Gambit Declined: 5 Bf4.} Nbd7 7. Nb5 Ne8 8. e3 dxc4 9. Bxc4 a6 10. Nc3 b5 11. Be2 c5 12. dxc5 Nxc5 13. Qxd8 Bxd8 14. b4 Bf6 15. Ne5 Nd7 {[#]} 16. Bf3 $1 Nc7 17. Nxd7 ({Much weaker is} 17. Bxa8 Nxa8 18. Nxd7 Bxc3+ 19. Ke2 Bxd7 $17) 17... Bxc3+ 18. Ke2 Bxd7 19. Rac1 {[#]} Nd5 $146 ({Predecessor:} 19... Rac8 20. Rxc3 Nd5 21. Bxd5 Rxc3 {0-1 (21) Bellmann,H (2474)-Lushnikov,A (2261) ICCF email 2015}) 20. Bxd5 exd5 21. Rxc3 Rac8 22. Rc5 (22. Bc7 {seems wilder.} f6 23. Rc5 Rfe8 24. Rd1 Re7 25. Bb6) 22... Rxc5 23. bxc5 $11 {[%mdl 4096] Endgame KRB-KRB} Bc6 24. f3 a5 25. Rb1 f6 26. Bc7 Ra8 27. Kd3 h5 28. h4 Kf7 29. Kc3 Ke6 30. Bg3 Ra7 31. Be1 Ke5 32. Kd3 Kf5 33. Kd4 Ra8 34. Bd2 Ra7 35. Rg1 Ke6 36. g4 hxg4 37. Rxg4 Kf7 38. Rg1 Ra8 39. Rg4 Bd7 40. Rg1 Bc6 41. Rg4 g6 42. Rg1 Rh8 43. Rh1 Ra8 44. Rh2 Kg7 45. Rh1 Kh7 (45... Kf7 $11) 46. Rh2 Kg7 47. Rh1 (47. Be1 $14) 47... Kf7 (47... Kh7 $11) 48. Rh2 ({White should try} 48. h5 $14) 48... a4 (48... Kg7 $11 {remains equal. }) 49. Rh1 Rh8 50. Be1 g5 51. Rh2 Ke6 52. Bg3 gxh4 53. Rxh4 Rg8 54. Bd6 b4 55. axb4 a3 {aiming for ...Rg1.} 56. Rh2 Ra8 57. Ra2 Bb5 58. e4 dxe4 59. fxe4 Bc6 60. Ra1 a2 61. Kc3 Bxe4 62. Kb2 $2 {[#]} (62. b5 $11) 62... Bd5 $2 (62... Bb1 $19 {...Kd5 is the strong threat.} 63. b5 Ra5) 63. b5 {The position is equal.} Ra5 64. Re1+ Kf7 65. b6 Rb5+ 66. Ka1 f5 67. Rd1 Ke6 68. Re1+ Kf7 69. Rd1 Ke6 70. Re1+ {Weighted Error Value: White=0.13/Black=0.11} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "8"] [White "Dominguez Perez, Leinier"] [Black "Xiong, Jeffery"] [Result "1-0"] [ECO "B12"] [WhiteElo "2758"] [BlackElo "2710"] [Annotator "TA"] [PlyCount "103"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,103,8,34,25,33,44,50,51,43,56,48,44,52,40,70,21,61,54,60,60,50,53,53, 52,52,54,57,8,25,31,20,0,55,39,66,23,85,71,75,75,102,73,153,152,208,184,249, 242,237,248,283,181,152,125,94,109,115,47,108,114,187,61,81,30,206,23,142,0, 108,106,74,60,52,65,68,0,0,-2,0,-96,0,0,0,0,266,259,243,160,641,626,712,714, 650,624,569,535]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. c3 { B12: Caro-Kann: Advance Variation.} Ng6 7. O-O {7.h4 is vanishing.} Be7 8. Be3 {White is slightly better.} Nd7 9. Nbd2 f6 {[%CAl Rf6e5]} 10. Ne1 {Strongly threatening exf6.} h5 11. f4 Qb6 {[%CAl Rf6e5]} 12. Qb3 {[#]} Rc8 $146 ({ Predecessor:} 12... c5 13. Bb5 c4 14. Qa4 Qc7 15. b3 cxb3 16. axb3 a6 17. Rc1 Rc8 18. Bd3 Bxd3 19. Nxd3 {0-1 (47) Dominguez Perez,L (2758)-Svane,R (2613) Chess.com INT 2020}) 13. Bd3 Nh4 14. Bf2 Bxd3 15. Nxd3 Nf5 16. Qc2 fxe5 17. fxe5 g5 18. Kh1 h4 19. Rae1 Kd8 20. c4 Qa6 ({Reject} 20... Nxd4 $6 21. Qc3 $16) (20... Ng3+ $11 21. Bxg3 hxg3) 21. b3 Nb6 22. c5 Nd7 (22... Na8 $1 $11) 23. b4 b6 24. a4 bxc5 25. dxc5 ({Not} 25. Nxc5 Nxc5 26. bxc5 Kc7 $15) 25... Qb7 (25... Ke8 $142) 26. Rb1 $1 $16 a6 (26... Ng3+ $16 {might work better.} 27. hxg3 hxg3+ 28. Kg1 gxf2+ 29. Rxf2 g4) 27. Nb3 $18 Qc7 (27... Nf8 {is a better defense.} 28. Nd4 Ke8) 28. Nd4 Nxd4 29. Bxd4 Rf8 30. Rxf8+ Nxf8 31. Qf2 Qd7 32. Rf1 Qe8 33. Qe2 (33. h3 $16) 33... Rb8 (33... h3 $14) 34. Bc3 $1 $16 Qg6 (34... Nd7 $16 ) 35. Nc1 ({White should play} 35. b5 $18 {Hoping for Nb4.} axb5 36. Nb4) 35... h3 36. gxh3 (36. Nb3 $1 $16) 36... Nd7 $2 (36... Qb1 $1 $11) 37. Nd3 $2 ({ White should try} 37. Nb3 $18) 37... a5 (37... Kc7 $11) 38. bxa5 (38. b5 $1 $16 Qe4+ 39. Qxe4 dxe4 40. Bxa5+ Kc8 41. bxc6 Nxc5 42. Rf7 $1) 38... Rb3 {[#]} ( 38... Nxc5 $11 {keeps the balance.} 39. Nf2 Qf5) 39. a6 $1 {[%CAl Ra6a7]} Kc7 ( {Don't blunder} 39... Rxc3 $2 40. a7 $1 $18) 40. Rc1 {Black must now prevent Nf2.} Qe4+ 41. Qxe4 dxe4 42. Nf2 (42. Nb2 $14) 42... Nxc5 $11 {With the idea .. .e3.} 43. Bd4 {aiming for a7.} Nxa6 44. a5 {[#]} (44. Nxe4 $11 {remains equal.} Rb4 45. Nd6) 44... c5 ({Better is} 44... e3 $1 $17 {[%CAl Re3f2]} 45. Ng4 e2) 45. Nxe4 {[%CAl Rd4c5]} Rb4 46. Bxc5 Rxe4 $4 {[%mdl 8192]} (46... Nxc5 $11 { and Black is okay.} 47. Nxc5 Rb5) 47. Bxe7+ {KRB-KRN} Kd7 48. Bd6 Re2 $2 (48... Ra4 $16 49. Rg1 Nc7 50. Rxg5 Nb5) 49. Rg1 $18 {White is clearly winning.} Re3 50. Rxg5 Rxh3 51. Kg2 Rd3 52. h4 {Weighted Error Value: White=0.31/Black=0.49} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "8"] [White "Svidler, Peter"] [Black "Shankland, Sam"] [Result "1/2-1/2"] [ECO "B50"] [WhiteElo "2714"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "109"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,109,-1,-3,0,0,-20,-18,-13,-5,-30,-6,-24,-11,-16,-21,-24,-25,-24,-8, -6,37,-33,-14,0,44,27,40,25,34,33,55,0,66,31,40,37,119,0,0,0,0,0,0,0,0,0,0,-8, 0,0,-14,-34,-33,-66,0,0,0,0,0,0,0,0,0,0,0,0,0,-54,0,0,0,0,0,-8,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. O-O Bg7 6. Bb5+ Nc6 7. Re1 {B50: Sicilian: 2...d6, Miscellaneous.} O-O 8. d4 Qb6 {was the old line (8...cxd4).} 9. Bxc6 Qxc6 10. d5 Qc7 {[#]} 11. h3 $146 ({ Predecessor:} 11. Bd2 Rd8 12. c4 Rb8 13. Nc3 a6 14. Qe2 Bg4 15. e5 dxe5 16. Qxe5 Qc8 17. Bf4 {1/2-1/2 (38) Thatte,N (146)-Graham,C (175) Daventry 2017}) 11... b5 12. a4 b4 13. cxb4 cxb4 14. Nbd2 a5 15. Nb3 Ba6 16. Nbd4 (16. Nfd4 $14 ) 16... Rfe8 17. Bf4 Qd7 18. Rc1 Rac8 19. Nc6 e6 20. Nxa5 exd5 21. Rxc8 ({ Better is} 21. exd5 $14 Rxe1+ 22. Nxe1) 21... Rxc8 ({Black should play} 21... Qxc8 $11 22. exd5 Rxe1+ 23. Nxe1 Qf5) 22. e5 dxe5 23. Bxe5 Re8 {[#]} (23... Qa7 $14) 24. Qd4 (24. b3 $1 $16) 24... Qxa4 $11 25. Bxf6 Rxe1+ 26. Nxe1 Bxf6 27. Qxf6 Qxa5 28. Nf3 Bc8 29. Ne5 Qc7 30. Nc6 {[#] Threatens to win with Ne7+.} Be6 31. Nxb4 Qc4 32. Qc3 Qxc3 (32... d4 $15 33. Qd2 Bf5) 33. bxc3 $15 {[%mdl 4096] Endgame KB-KN} Kf8 34. f4 Ke7 35. Kf2 Kd6 36. Nd3 Bf5 37. Ne5 f6 38. Nf3 Kc5 39. Ke3 (39. g4 $11 Be6 40. Ke3) 39... Kc4 (39... Be4 $15) 40. g4 $11 {The position is equal.} Bc8 (40... Be6 {is more complex.} 41. Kd2 Bc8 42. Nd4 h6 43. Nc6 g5) 41. Kd2 Kc5 42. Nd4 Kd6 43. Ke3 Ba6 44. Nf3 Kc5 45. g5 fxg5 46. Nxg5 Bc8 47. h4 h6 48. Nf7 h5 49. Ne5 Bf5 50. Nf3 Kc4 51. Kd2 Be4 52. Nd4 Bf5 53. Nf3 Be4 54. Nd4 Bf5 55. Nf3 {Weighted Error Value: White=0.13/Black=0.12} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "8"] [White "Le, Quang Liem"] [Black "Rapport, Richard"] [Result "1-0"] [ECO "A50"] [WhiteElo "2709"] [BlackElo "2763"] [Annotator "TA"] [PlyCount "171"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,171,22,25,31,33,27,20,45,16,18,16,75,72,72,0,0,-15,-31,-46,0,5,24,0, 0,0,50,53,59,54,68,55,104,90,90,93,154,152,156,160,160,143,161,145,190,181,180, 168,199,175,247,191,206,206,200,193,196,199,327,338,339,120,356,307,320,0,341, 160,139,135,181,171,181,133,145,148,183,118,103,61,85,88,87,73,257,227,325,315, 465,466,535,581,579,554,555,573,563,548,740,730,714,698,721,703,818,797,724, 683,1271,1207,1117,1062,1925,1856,1864,1841,29958,29960,29961,29962,29952,7475, 29965,9147,29967,29964,29962,29965,29966,29967,29967,29967,29966,29968,29976, 29968,29967,29969,29967,29968,29980,10841,29980,29981,29981,29979,29982,29982, 29982,29983,29983,29984,29984,29982]} 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 g6 5. c4 Bg7 6. Qc2 Be4 7. Qa4 Bb7 8. Qc2 Be4 9. Qd1 Bb7 10. O-O O-O 11. d5 Na6 { A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6).} 12. Nc3 Nc5 13. Qc2 e6 { [%CAl Re6d5] The position is equal. 13...e6 is the modern continuation.} 14. Rd1 exd5 15. cxd5 Re8 (15... c6 $11) 16. Nd4 $1 $16 a5 {[#]} 17. Bf4 $146 (17. e4 $16) ({Predecessor:} 17. h3 d6 18. Nc6 Qc8 19. Bd2 Nfd7 20. Bg5 Bxc6 21. dxc6 Nf6 22. e4 h6 23. Be3 Qe6 24. Re1 Ncxe4 25. Bd4 {0-1 (50) Vidit,S (2673) -Colovic,A (2443) Chess.com INT 2017}) 17... Nh5 $11 18. Be3 {[#]} Rxe3 $1 19. fxe3 d6 (19... Bh6 $15) 20. e4 Qd7 21. e3 Nf6 22. Rf1 Qe7 23. Rf4 Rf8 24. a3 { [%CAl Ba2a3,Ba3b4][%mdl 32]} Nh5 25. Rf2 Bh6 26. Re1 Nf6 27. b4 axb4 (27... Na6 $142) 28. axb4 $16 Na6 29. Qb3 Ng4 30. Rfe2 Qf6 {and if ...Bxe3+ works, Black does fine.} 31. Ncb5 Bc8 32. Rf1 Qg5 33. Rf4 Ne5 34. Qc3 Bd7 (34... Bb7 $142 35. Na3 (35. Nxc7 Rc8 $15) 35... Qe7) 35. Ref2 (35. Nxc7 $2 Rc8 $1 $19) 35... Qh5 36. Bf1 (36. Nxc7 Rc8 $1 $17) 36... Ng4 37. Be2 Bxf4 38. exf4 Qh3 {[#]} ( 38... Re8 {is a better defense.}) 39. Bf1 $1 $18 {[%CAl Rf1h3]} Qh5 40. Re2 ( 40. Ra2 $18) 40... Ra8 $2 (40... Re8 $16 {was called for.}) 41. Ra2 (41. Nxc7 Rc8 $16) 41... Nb8 42. Re2 Na6 43. Qd2 (43. Nxc7 Rc8 $14) (43. Nc6 $18 { and White stays clearly on top.}) 43... Re8 $16 44. Re1 $40 {[%mdl 128] Black is in trouble.} Nf6 45. Bg2 Ng4 46. h4 Nf6 {[#]} 47. Qc3 $1 Qg4 48. Kf2 (48. Nc6 $18) 48... Nh5 49. Ra1 Nxb4 {Strongly threatening ...Bxb5.} 50. Nxc7 Rc8 { Threatens to win with ...Rxc7!} 51. Ra7 b5 $2 52. Qf3 Qxf3+ (52... Nf6 $142 53. Qxg4 (53. Ncxb5 Bxb5 54. Nxb5 Rc2+ 55. Kg1 Qc8 $15) 53... Nxg4+ 54. Ke2 Na2) 53. Bxf3 $18 ({Not} 53. Kxf3 Nf6 $18) 53... Nd3+ (53... Nf6 $142 54. Ke3 Ne8) 54. Ke3 Nc5 55. Bxh5 gxh5 56. Ndxb5 Bxb5 57. Nxb5 {[%mdl 4096] Endgame KRN-KRN} Rd8 58. Rc7 Na6 59. Rc6 Nb4 60. Rxd6 Re8 61. Nd4 Kf8 62. e5 Ra8 63. Nf5 h6 64. Ke4 Kg8 65. Rb6 Ra4 66. Ne7+ Kf8 67. d6 Nc6+ 68. Kf5 Nxe7+ 69. dxe7+ {[%mdl 64] Discovered Attack} Kxe7 70. Rxh6 {KR-KR} Ra3 71. Rxh5 Rxg3 72. Rh7 Kf8 73. h5 Kg8 74. Rh6 Rh3 75. Kg4 Rh1 76. Ra6 Kg7 77. Kg5 Rg1+ 78. Kf5 Rh1 79. h6+ Kg8 80. Rd6 (80. Ra8+ $142 Kh7 81. Rf8 Rh2 82. Rxf7+ Kxh6 83. Kf6 Rg2 84. f5 Rg8 85. e6) 80... Rh4 81. Kg5 {White mates.} Rh1 82. f5 Kh7 83. Rd7 Kg8 84. Rd8+ Kh7 85. Rf8 f6+ 86. Rxf6 {Weighted Error Value: White=0.24/Black=0.34} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "9"] [White "So, Wesley"] [Black "Svidler, Peter"] [Result "1-0"] [ECO "C54"] [WhiteElo "2772"] [BlackElo "2714"] [Annotator "TA"] [PlyCount "35"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,35,27,20,26,23,18,22,42,38,60,58,70,63,63,55,54,83,163,185,147,9,9,0, 219,196,290,290]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O a5 { C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 7. Bg5 h6 8. Bh4 Qe7 {The position is equal.} 9. Nbd2 {[#]} Bb6 $146 ({Predecessor:} 9... O-O 10. h3 Bd7 11. Re1 Rfe8 12. d4 exd4 13. e5 dxe5 14. Ne4 dxc3 15. bxc3 Be6 16. Bxe6 fxe6 {1/2-1/2 (30) Johnson,B (2311)-Chitescu,I (2263) ICCF email 2011}) 10. Bb5 Bd7 11. Nc4 Ba7 12. Bxc6 Bxc6 13. Nxa5 Bxf2+ 14. Rxf2 $18 Rxa5 15. Nd2 ({Better is} 15. Bxf6 $16 gxf6 16. Nh4) 15... g5 $11 16. Bg3 d5 $2 {[#]} (16... h5 $11 {and Black has nothing to worry.} 17. Qf3 Nd7) 17. b4 $18 Ra8 (17... Ra6 $142 18. a4 Bd7) 18. Qf3 {Weighted Error Value: White=0.20/Black=0.54} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "9"] [White "Rapport, Richard"] [Black "Caruana, Fabiano"] [Result "1/2-1/2"] [ECO "A08"] [WhiteElo "2763"] [BlackElo "2806"] [Annotator "TA"] [PlyCount "133"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,133,-34,-22,-35,-11,-18,-35,-9,-29,-30,-27,-32,-29,-16,0,-39,-34,-45, 0,-43,-27,-54,0,0,15,8,41,33,25,12,62,0,61,62,79,83,92,92,92,82,93,86,90,91,93, 96,96,83,96,93,115,115,91,104,105,66,90,0,12,0,7,-41,-39,-101,-103,-88,-83,-81, 78,70,84,89,77,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1133,-1132,-1125,-1120, -990,-1020,-29978,-29979,-29979,-29980,-29980,-29981,-29981,-29982,-29982, -29983,-29983,0,-2234,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. O-O e5 5. d3 Be7 6. Na3 {A08: King's Indian Attack.} Be6 7. e4 d4 8. Nc4 {Black is slightly better.} Qc7 9. Ng5 Bxg5 10. Bxg5 {[#]} b5 $146 ({ Predecessor:} 10... f6 11. Bc1 Nge7 12. Qh5+ Bf7 13. Qg4 O-O 14. f4 b5 15. Na3 a6 16. f5 Kh8 {1-0 (31) Khadzhaev,R (2316)-Novikova,A (2218) Ufa 2004}) 11. Na3 a6 12. Bd2 Nge7 13. f4 f6 14. Kh1 h5 15. c4 b4 (15... dxc3 $15 16. bxc3 h4) 16. Nc2 $11 a5 17. Ne1 Qd7 18. Nf3 Bg4 19. Qe1 Ng6 20. Ng1 (20. f5 $14 h4 21. h3 ( 21. fxg6 h3 $15) (21. Nxh4 Nxh4 22. gxh4 Qf7 $11) (21. gxh4 Bxf3 22. Bxf3 Nxh4 $14) 21... Bxf3 22. Rxf3 (22. Bxf3 hxg3 23. Qxg3 Nf4 $11)) 20... h4 (20... a4 $11) 21. f5 $14 Nge7 22. h3 Bh5 23. g4 Bf7 24. g5 O-O-O 25. g6 Be8 26. a3 Kb7 27. axb4 cxb4 28. Ne2 Qc7 29. Nc1 Qb6 30. Nb3 Ra8 31. Ra4 Kc7 32. Qa1 Bd7 33. Qa2 (33. Bf3 $16) 33... Ra7 34. Ra1 Rha8 35. c5 Qb5 36. Nc1 {[#]} ({White should try} 36. Qb1 $15) 36... Nd8 $1 $17 ({Of course not} 36... Qxc5 $6 37. Qf7 $11) 37. Qb3 {[%CAl Rd2b4]} Qxc5 38. R4a2 Kb7 $2 {[#]} (38... Bb5 $17 { keeps the pressure on.}) 39. Rxa5 $1 $16 {[%mdl 64] Remove Defender, Decoy} Rxa5 40. Bxb4 {[%mdl 64] Double Attack} Ba4 41. Rxa4 Qxc1+ $11 42. Be1+ $1 Kc8 43. Rc4+ {[%mdl 64] Double Attack} Rc5 44. Rxc1 Rxc1 45. Kh2 $1 Rxe1 46. Qb4 { [%mdl 64] Double Attack} Re2 47. Qxe7 Ra2 $36 {[%mdl 2048] White is under pressure.} (47... Rxb2 $5 48. Qc5+ $8 (48. Qxg7 Raa2 49. Kh1 Rxg2 50. Qf7 Rh2+ 51. Kg1 Rag2+ 52. Kf1 Rc2 53. Kg1 Rcg2+ 54. Kf1 Rc2 55. Kg1 Rcg2+) 48... Kb7 49. Qe7+ Kc8 $11) 48. Qc5+ (48. Qxg7 Rexb2 49. Kh1 Rxg2 50. Qf7 Rh2+ 51. Kg1 Rag2+ 52. Kf1 Rc2 53. Kg1 Rhd2 54. Qc4+ Rxc4 55. dxc4 Rd3 56. g7 Rg3+ 57. Kf2 Rxg7 58. Kf3 Nb7 59. c5 Nxc5 60. Ke2 Rg3 61. Kd1 d3 62. Kc1 Rg2 63. Kd1 Nxe4 64. Kc1 Ra2 65. Kb1 Nc3+ 66. Kc1 d2#) 48... Kb8 49. Qd6+ Kc8 50. Qc5+ Kb8 51. Qb5+ {[%mdl 8192]} (51. Qd5 $11 Raxb2 52. Qxd8+ Kb7 53. Qd5+ Kb6 54. Qd8+ Kb7 55. Kh1 Rxg2 56. Qe7+ Kc6 57. Qxg7 Rh2+ {[%mdl 64] Double Attack} 58. Kg1 Rhg2+ 59. Kh1 Rh2+ {[%mdl 64] Double Attack} 60. Kg1 Rhg2+ 61. Kh1) 51... Nb7 $19 52. Qe8+ Ka7 53. Kg1 Rexb2 54. Bf1 Ra1 55. Qe7 Rbb1 56. Qxg7 Rxf1+ 57. Kg2 Rg1+ 58. Kf2 Raf1+ 59. Ke2 Ra1 (59... Rc1 $142 60. Kf2 Rcf1+ 61. Ke2 Rb1 62. Kf2 Rbf1+) 60. Kf2 $1 Rgb1 $2 (60... Rh1 $19 {( -> ...Ra2+)} 61. Kf3 Rag1) 61. Qxf6 $11 { The position is equal.} Rf1+ 62. Kg2 Rg1+ 63. Kf2 $1 Raf1+ 64. Ke2 Re1+ 65. Kf2 $1 Rgf1+ 66. Kg2 Rg1+ 67. Kf2 {White happily takes the draw. Weighted Error Value: White=0.30/Black=0.51} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "9"] [White "Nakamura, Hikaru"] [Black "Le, Quang Liem"] [Result "1-0"] [ECO "E35"] [WhiteElo "2736"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "83"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,83,8,0,2,0,0,7,22,-20,-15,-68,-50,-47,-9,-43,-26,-29,-15,-26,0,-4,67, 14,47,0,47,0,35,42,46,29,18,22,20,14,27,-13,-28,-21,-39,-157,-160,-160,-160, -160,-160,-155,-136,-164,0,0,0,0,0,0,0,0,288,225,385,0,0,0,0,0,433,438,945,938, 1285,1245,1203,911]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 (5... Qxd5 6. e3 c5 7. Bd2 Bxc3 8. Bxc3 cxd4 9. Bxd4 Nc6 10. Bc3 O-O 11. Nf3 Rd8 12. Be2 Qe4 13. Rc1 Qxc2 14. Rxc2 Ne4 15. Ne5 Bd7 16. Nxc6 Bxc6 17. Bb4 f5 18. f3 { 1/2-1/2 (59) Nakamura,H (2736)-Le,Q (2709) chess24.com INT 2021}) 6. Bg5 h6 7. Bh4 {7.Bh4 scores better than 7.Bxf6.} Nc6 {Strongly threatening ...g5. E35: Nimzo-Indian: Classical: 4...d5 5 cxd5 exd5.} 8. e3 g5 9. Bg3 h5 {The position is equal.} 10. f3 Qe7 {[#]} 11. Kd2 $5 $146 {[%mdl 8] New and interesting.} ( 11. Bb5 $11) ({Predecessor:} 11. O-O-O Qxe3+ 12. Kb1 Nxd4 13. Rxd4 Qxd4 14. Bf2 Qf4 15. Bd3 c6 16. Nh3 Bxh3 17. Bg3 {1/2-1/2 (23) Predke,A (2657)-Sarana,A (2651) Khanty Mansiysk 2019}) 11... h4 $15 12. Bf2 a6 13. h3 Be6 14. Bd3 Bd6 15. a3 $1 Nh5 16. Nge2 O-O (16... Ng3 $11) 17. Rae1 (17. Rag1 $1 $14) 17... f5 18. Kc1 Rae8 19. Rhf1 Qg7 20. Kb1 Ne7 21. e4 fxe4 22. fxe4 dxe4 23. Nxe4 Nd5 24. N4c3 Nxc3+ 25. Nxc3 Nf4 26. d5 ({White should play} 26. Ka1 $15) 26... Nxd3 $17 (26... Nxd5 27. Rxe6 Nxc3+ 28. Ka1 $11) 27. Rxe6 Rxe6 ({Don't blunder} 27... Nxf2 $2 28. Rg6 $18 (28. Rxf2 Rxe6 29. Rxf8+ Qxf8 $11)) 28. dxe6 Qh7 29. Ka1 Qf5 30. Qb3 {Black must now prevent e7+.} Re8 (30... Kh7 $19 31. Qc4 Nxf2) 31. e7+ $1 $11 Kh7 32. Ne4 Rxe7 33. Nxg5+ Kh6 34. Nf3 $1 {Hoping for Bd4.} Re2 $2 {[%mdl 8192] [#]} (34... Nxf2 $11 {and Black has nothing to worry.} 35. Rxf2 Re1+ 36. Nxe1 Qxf2 37. Qe6+ Kh7) 35. Bd4 $1 $18 ({But not} 35. Nxh4 $2 Qxf2 36. Rxf2 Re1+ 37. Ka2 Nc1+ 38. Kb1 Nxb3+ $19) 35... Rxg2 $2 (35... Ne5 {keeps fighting.} 36. Qg8 (36. Qxb7 Nxf3 37. Rxf3 Re1+ 38. Ka2 Qb1+ 39. Kb3 Qd1+ { [%mdl 64] Double Attack} 40. Kc3 Qc1+ 41. Kb3 Qd1+ {[%mdl 64] Double Attack} 42. Kc3 Qc1+ 43. Kb3 Qd1+ $11 {[%mdl 64] Double Attack}) 36... Nxf3) 36. Nd2 $2 Bf4 $11 ({Not} 36... Qxh3 $2 {[#]} 37. Qf7 $1 $18) 37. Nb1 Qe4 38. Bc3 Nc5 $2 { [%mdl 8192]} (38... Qe2 $11 39. Qf7 Qxf1 40. Qf6+ Kh7 41. Qh8+ Kg6 42. Qf6+ Kh7 43. Qh8+ Kg6 44. Qf6+ Kh7) 39. Qf7 $18 {White is clearly winning.} Be5 (39... Ne6 $142 40. Qf6+ Kh5 41. Qh8+ Kg5 42. Qf6+ Kh5 43. Qh8+ Kg5 44. Bf6+ Kg6) 40. Qf8+ Rg7 41. Qxc5 Bxc3 42. Qxc3 {White used his chance. Weighted Error Value: White=0.35/Black=0.47} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "9"] [White "Xiong, Jeffery"] [Black "Mamedyarov, Shakhriyar"] [Result "1/2-1/2"] [ECO "B24"] [WhiteElo "2710"] [BlackElo "2782"] [Annotator "TA"] [PlyCount "159"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,159,20,8,43,37,17,0,0,0,0,-9,0,0,0,0,14,-12,-7,-8,-7,-8,-10,-5,-9,-9, -6,-17,-18,-35,-27,-35,-35,-35,-17,-24,-22,-24,-16,-54,-29,-48,-50,-81,71,62, 65,63,72,74,83,56,74,80,67,66,125,85,117,73,84,22,22,6,111,111,118,71,394,389, 392,378,29995,300,585,579,562,554,550,526,526,380,457,380,370,370,393,329,329, 335,638,528,506,368,563,564,545,453,443,0,0,0,8,8,8,0,0,0,8,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nc6 6. O-O Nf6 7. d4 cxd4 8. Nxd4 Be7 9. Nc3 O-O 10. h3 $1 {The main line 10.h3 scores better than 10.Be3.} h6 {B24: Closed Sicilian: 3 g3 sidelines.} 11. Be3 Re8 12. Re1 Bb4 13. a3 {Hoping for Nxc6.} Bxc3 {[#]} 14. Nxc6 $146 ({Predecessor:} 14. bxc3 Na5 15. g4 Ne4 16. Qd3 b6 17. Bf4 Bb7 18. Nf5 Re6 19. f3 Nc5 20. Qd4 {1-0 (33) Carlsen,M (2837)-Kotsur,P (2548) Astana 2012}) 14... bxc6 (14... Qd6 {is interesting.} 15. bxc3 Qxc6 16. g4 b6 17. Qd3 Ne4) 15. bxc3 Bf5 16. c4 Be4 17. Bf1 dxc4 18. Qxd8 Rexd8 19. Bxc4 Bxc2 20. Rac1 Be4 21. Ba6 Rd7 22. Bf4 Bd5 23. Bd3 a5 24. Be5 a4 25. Re3 Nh7 26. h4 Nf8 27. Bf5 Rb7 28. Bd6 Rb3 29. Re7 Ne6 30. Bc2 Rc3 $2 {[#]} (30... Nd4 $17 31. Kf1 Nxc2 32. Rxc2 Rb1+ 33. Ke2 Kh7) 31. Bh7+ $16 {[%mdl 64] Discovered Attack} Kxh7 32. Rxc3 Nd4 33. Bc5 Rb8 {( -> ...Rb1+)} 34. Bb4 (34. Bxd4 {is a self mate.} Rb1+ 35. Rc1 Rxc1+ 36. Re1 Rxe1+ 37. Kh2 Rh1#) (34. Kf1 {looks sharper.} Nf3 35. Bb4 Nd4 36. Rd7 Nb5 37. Rc1) 34... g5 35. h5 g4 36. Kf1 Nf3 (36... Kg7 $14) 37. Ke2 Kg7 38. Ke3 Kf6 39. Bc5 (39. Bd6 $16 Rd8 40. Bc5) 39... Ng5 $11 40. Ra7 $36 {[%mdl 2048] aiming for Kf4. White is more active.} Re8+ (40... Ne4 $1 $11) 41. Kd3 $16 Ne4 42. Rc1 Bb3 $2 {[%mdl 8192]} (42... Rb8 $16 {is tougher.}) 43. Bd4+ $18 {[%mdl 64] [#] Discovered Attack} Kg5 44. Rxc6 { Intending Ra5+ and mate.} f5 $2 (44... Rd8 $18 45. Ra5+ f5) 45. Rg7+ (45. Be3+ $142 f4 46. Ra5+ Nc5+ 47. Raxc5+ Bd5 48. Rxd5+ Re5 49. Rxe5#) 45... Kxh5 46. Rgg6 Bf7 47. Rxh6+ Kg5 48. Be3+ f4 49. Bxf4+ Kf5 50. Be3 Rd8+ 51. Ke2 Be8 52. Rb6 Nc3+ 53. Kf1 Rd1+ (53... Nd5 $142 54. Rbe6 Bd7) 54. Kg2 Nd5 55. Rb8 Bf7 ( 55... Bd7 {was worth a try.} 56. Rf8+ Ke5) 56. Rf8 Nxe3+ 57. fxe3 Kg5 { Threatens to win with ...Bd5+.} 58. Rxf7 (58. Rb6 $18 Bd5+ 59. Kf2) 58... Kxh6 {[%mdl 4096] Endgame KR-KR. The position is equal.} 59. Rf4 Rd3 60. Rxa4 Rxe3 61. Kf2 Rf3+ 62. Kg2 Rb3 (62... Re3 {seems wilder.}) 63. Ra5 Rb2+ 64. Kg1 Kg6 65. Kf1 Kf6 66. a4 Ra2 67. Kg1 (67. Ra6+ {feels hotter.} Kf5 68. a5 Ke4 69. Rc6 Rxa5 70. Rc4+) 67... Kg6 68. Kf1 (68. Ra8 {with more complications.} Ra3 69. a5 Rxg3+ 70. Kh2 Rf3 71. Kg2) 68... Kf6 69. Kg1 Kg6 70. Ra8 {Strongly threatening a5.} Kf5 71. Rf8+ Kg5 72. Rf4 Ra1+ 73. Kf2 Ra2+ 74. Kf1 Ra1+ 75. Kg2 Ra2+ 76. Kg1 Ra3 77. Kg2 Ra2+ 78. Kg1 Ra1+ 79. Kg2 Ra2+ 80. Kg1 {Blacks defense is rewarded with a draw. Weighted Error Value: White=0.35/Black=0.49} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.14"] [Round "9"] [White "Shankland, Sam"] [Black "Dominguez Perez, Leinier"] [Result "1/2-1/2"] [ECO "C45"] [WhiteElo "2709"] [BlackElo "2758"] [Annotator "TA"] [PlyCount "73"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,73,2,8,0,33,21,16,14,21,14,15,10,9,0,5,1,6,0,0,0,0,0,0,-24,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 d5 7. exd5 cxd5 8. O-O Be7 9. c4 O-O 10. Nc3 {C45: Scotch Game.} Bb7 {[#]} 11. Qf3 $146 ({Predecessor:} 11. Qb3 Ba6 12. Nxd5 Nxd5 13. cxd5 Rb8 14. Qc2 Bxd3 15. Qxd3 Bf6 16. Bf4 Rb4 17. Qf3 Bxb2 { 1/2-1/2 (49) Mrazik,L (2508)-Frey Beckman,K (2700) ICCF email 2004}) 11... Rb8 {aiming for ...dxc4.} 12. Nxd5 Nxd5 13. Be4 {[%mdl 64] [#] Pin} c6 {...Nf6 is the strong threat.} 14. cxd5 cxd5 15. Bd3 d4 16. Qg3 Bh4 17. Qg4 Bc8 18. Qf4 Rb6 19. b3 Ba6 20. Rd1 (20. Qd2 {is more complex.} Re8 21. Bxa6 Rxa6 22. Qd3 Rae6 23. Bd2) 20... Bf6 (20... Bxd3 {with more complications.} 21. Rxd3 Bf6 22. Bd2 Re6 23. h3 Qd5) 21. Qf3 {The position is equal.} Re8 22. Bd2 Bxd3 23. Qxd3 {And now Ba5 would win.} Qd5 24. Re1 {[%CAl Re1e8] [#]} Rbe6 25. Rxe6 Rxe6 26. Rc1 Rc6 27. Rxc6 Qxc6 28. Qc4 (28. h3 {is interesting.} g6 29. f3 Qd7 30. a4 Qc6 31. a5) 28... Qd7 29. a4 h5 30. a5 Qf5 31. h3 Qb1+ 32. Kh2 Qd1 33. Qc8+ Kh7 34. Qf5+ Kg8 35. Qc8+ Kh7 36. Qf5+ Kg8 37. Qc8+ {A rather calm draw. Weighted Error Value: White=0.02/Black=0.03} 1/2-1/2