[Event "GCT St Louis Rapid 2021"] [Site "St. Louis"] [Date "2021.08.12"] [Round "4.1"] [White "Dominguez Perez, Leinier"] [Black "So, Wesley"] [Result "1/2-1/2"] [ECO "C54"] [WhiteElo "2758"] [BlackElo "2772"] [Annotator "Shahid"] [PlyCount "130"] [EventDate "2021.08.11"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 O-O 6. O-O d6 7. Re1 a6 8. a4 h6 9. h3 Re8 10. Nbd2 Be6 11. Bxe6 Rxe6 12. b4 Ba7 13. Qc2 Qd7 14. Rb1 b5 15. Ra1 Ree8 16. Nf1 d5 17. Bd2 Rad8 18. Ng3 Qe6 19. Nf5 Kh8 20. g4 dxe4 21. dxe4 Qc4 22. Qa2 Qxa2 23. Rxa2 Rd3 24. Kg2 h5 $6 25. g5 Ng8 26. axb5 (26. Rc1) 26... axb5 27. c4 bxc4 28. b5 Nd4 29. N3xd4 Bxd4 30. Rc1 c3 31. Be1 g6 32. Ng3 f6 33. Kf1 Rf3 34. Kg2 Rd3 35. Kf1 h4 36. Ke2 Rd2+ 37. Bxd2 cxd2 38. Rxc7 hxg3 39. fxg3 fxg5 40. Rxd2 Nf6 41. b6 Bxb6 42. Rc6 Nxe4 43. Rxb6 Nxd2 44. Kxd2 Kg7 45. Ke3 Ra8 46. Rb7+ Kh6 47. Re7 Ra3+ 48. Kf2 g4 49. hxg4 Ra5 50. Re6 Kg5 51. Kf3 Rb5 52. Kf2 Rb2+ 53. Kf3 Rb3+ 54. Kf2 Kxg4 55. Rxg6+ Kf5 56. Ra6 Rb2+ 57. Ke3 Rb3+ 58. Kf2 Ke4 59. Ra4+ Kd3 60. Kf3 Kd2+ 61. Ke4 Re3+ 62. Kf5 Rxg3 63. Kxe5 Rc3 64. Rd4+ Rd3 65. Rxd3+ Kxd3 1/2-1/2 [Event "GCT St Louis Rapid 2021"] [Site "St. Louis"] [Date "2021.08.12"] [Round "4.2"] [White "Shankland, Sam"] [Black "Caruana, Fabiano"] [Result "1-0"] [ECO "E39"] [WhiteElo "2709"] [BlackElo "2806"] [Annotator "Shahid"] [PlyCount "101"] [EventDate "2021.08.11"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. a3 Bxc5 7. Nf3 d5 8. Bg5 Be7 9. e3 h6 10. Bh4 Nc6 11. Rd1 Qa5 12. Bd3 Bd7 13. O-O Rac8 14. cxd5 Nxd5 15. Nxd5 exd5 16. Bxe7 Nxe7 17. Qd2 Qb6 18. Nd4 Nc6 19. Bb5 Bg4 20. Be2 Bd7 21. Bf3 Be6 22. Qe2 Ne5 23. h3 Rc4 24. Bh5 Bd7 25. Qd2 Rfc8 26. Be2 R4c7 27. Qb4 Qg6 28. Kh2 Nc4 29. Bxc4 dxc4 30. Ne2 Bc6 31. f3 Qg5 32. Qc3 Re7 33. e4 b5 34. Nd4 Bd7 35. f4 Qc5 36. e5 Ree8 37. Rf3 Rcd8 38. Rg3 Bc8 39. e6 $1 f6 (39... fxe6 40. Nxe6 $18) 40. f5 Bb7 41. Rg4 (41. Qe3 Kh8 42. Qf4) 41... g5 $6 (41... Qe5+ 42. Qg3 (42. Kh1 Be4) 42... Qxg3+ 43. Kxg3) 42. fxg6 Qe5+ 43. Rg3 h5 44. h4 Be4 45. Qe3 f5 46. Qh6 Qg7 47. Qxh5 Rd5 48. Rg5 Re7 49. Nxf5 Qe5+ 50. Ng3 Qxb2 51. Nxe4 1-0 [Event "GCT St Louis Rapid 2021"] [Site "St. Louis"] [Date "2021.08.12"] [Round "4.3"] [White "Xiong, Jeffery"] [Black "Mamedyarov, Shakhriyar"] [Result "1/2-1/2"] [ECO "D90"] [WhiteElo "2710"] [BlackElo "2782"] [Annotator "TA"] [PlyCount "61"] [EventDate "2021.08.11"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,61,-2,13,20,17,20,23,25,20,22,31,33,30,6,6,4,10,0,0,-26,-15,-25,-39, -41,-36,-52,-54,-49,-31,-35,54,43,69,70,117,107,164,95,108,106,91,113,102,5,10, 0,0,0,88,0,0,0,66,0]} 1. c4 Nf6 2. Nc3 g6 3. d4 d5 4. Nf3 Bg7 5. h4 c6 6. cxd5 {D90: Grünfeld: 4 Nf3 Bg7 sidelines.} cxd5 7. Bf4 Nc6 8. e3 {White has an edge.} O-O 9. Qb3 b6 10. Be2 {[#]} Bg4 $146 ({Predecessor:} 10... Bb7 11. O-O Ne4 12. Rfc1 e6 13. Bd3 Nd6 14. Nb5 Nc4 15. Bxc4 Na5 16. Qd1 dxc4 {0-1 (59) Carlsen,M (2863)-Aronian,L (2773) chess24.com INT 2020}) 11. Ne5 Na5 12. Qd1 Bxe2 13. Qxe2 Rc8 14. Qa6 e6 15. O-O ({Don't go for} 15. Qxa7 $2 Ra8 $19) 15... Nh5 16. Bh2 Bxe5 17. Bxe5 Nc4 $1 18. Nb5 Qxh4 19. Nd6 Nxd6 (19... Nxe5 $15 20. dxe5 Rcd8 21. Qxa7 Qg5) 20. Bxd6 $14 {Strongly threatening Rfc1.} Rfd8 {[#]} 21. Qb7 $1 Qe4 {[#]} (21... Nf6 22. Be7) 22. Rac1 $1 Rc2 {[#]} (22... Ra8 $16 { was necessary.}) 23. Qxa7 (23. Be5 $1 $18 f6 24. Qe7) 23... Rdc8 $16 ({Wrong is } 23... Rxb2 $2 24. Qe7 $18) ({But not} 23... Rxc1 $2 24. Rxc1 Re8 25. Qxb6 $18 ) 24. Rxc2 Qxc2 25. Qxb6 Nf6 26. Qb7 (26. Qa6 $16) 26... Ne4 $1 $11 {[%CAl Re4d6]} 27. Bc5 Re8 28. Qb5 Rc8 {[#]} (28... Ra8 $11) 29. Qb7 (29. Qa6 $1 $16 { [%CAl Ra6c8]} Rb8 30. b4) 29... Re8 30. Qb5 (30. Qb3 $11 Qxb3 31. axb3) 30... Rc8 $14 {[%CAl Re4c5]} 31. Qb7 {Weighted Error Value: White=0.15/Black=0.16} ({ Better is} 31. Qa6 $1 $14 Rb8 32. b4) 1/2-1/2 [Event "GCT St Louis Rapid 2021"] [Site "St. Louis"] [Date "2021.08.12"] [Round "4.4"] [White "Le, Quang Liem"] [Black "Nakamura, Hikaru"] [Result "1/2-1/2"] [ECO "E36"] [WhiteElo "2709"] [BlackElo "2736"] [Annotator "TA"] [PlyCount "101"] [EventDate "2021.08.11"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,101,16,12,6,8,9,13,15,8,7,12,10,7,0,0,0,-46,-45,-47,-45,-25,-22,-43, 55,56,49,54,43,45,47,48,49,58,61,77,91,90,82,73,75,45,37,45,76,47,82,89,81,81, 104,93,93,93,94,92,94,49,64,50,58,39,39,31,38,24,34,10,13,0,0,0,7,0,57,51,83,0, 0,0,0,0,0,0,0,0,1,0,8,0,8,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d5 7. Bg5 dxc4 {E36: Nimzo-Indian: Classical: 4...d5 5 a3.} 8. Qxc4 b6 9. Rd1 Ba6 10. Qa4 h6 {10...h6 scores better than 10...Qd7.} 11. Bh4 Qe7 (11... Qd7 12. Qc2 Qc6 13. Qxc6 Nxc6 14. Bxf6 gxf6 15. Nf3 Rfd8 16. e3 Bb7 17. Bd3 Ne7 18. Ke2 c5 19. dxc5 bxc5 {1/2-1/2 (90) Le,Q (2709)-Nakamura,H (2736) chess24.com INT 2021}) 12. Nf3 Rd8 {[#]} 13. e4 $146 ({Predecessor:} 13. e3 Bxf1 14. Rxf1 c5 15. dxc5 Rxd1+ 16. Kxd1 g5 17. Bg3 Qxc5 18. Kd2 Nbd7 19. Rc1 {1/2-1/2 (65) Carlsen,M (2847)-Nakamura,H (2736) chess24.com INT 2021}) 13... Bxf1 14. Rxf1 {[#] e5 is the strong threat.} (14. Kxf1 $5 {[%CAl Re4e5]} g5 15. Bg3 $15) 14... g5 15. Nxg5 hxg5 16. Bxg5 e5 $1 17. Rd3 {aiming for Rg3.} Rxd4 (17... Nbd7 $15 18. Rg3 Kf8) 18. Bxf6 $14 {Threatening mate with Rh3.} Rxa4 ({Don't blunder} 18... Qxf6 $2 19. Qe8+ Kg7 20. Rg3+ Kh6 21. Rh3+ Kg5 22. Qg8+ Qg6 23. Rg3+ Kf6 24. Rxg6+ fxg6 25. Qf8+ Ke6 26. Qc8+ Ke7 27. Qb7 $18) 19. Bxe7 Rxe4+ 20. Kd2 {And now Rd8+ would win.} Nc6 21. Bf6 {Intending Rh3 and mate.} Rf4 $1 {[%CAl Rf4f6]} 22. Bg5 Rg4 23. Rg3 $1 {[%CAl Rg3g4]} Rd4+ 24. Ke2 {Hoping for Rc1.} Kh7 25. Rh3+ Kg7 26. Bh6+ Kg8 27. Rc1 Rd6 28. Be3 Rad8 29. Rh4 b5 30. g3 R8d7 31. Rc5 a6 32. a4 bxa4 33. Rxa4 Nd4+ 34. Bxd4 (34. Kf1 { with more complications.} f6 35. Rac4 Ne6 36. Ra5 Rd1+ 37. Kg2) 34... exd4 $16 {[%mdl 4096] Endgame KRR-KRR} 35. Kd3 Rf6 $1 36. f4 Rb6 37. b4 Re6 38. Re5 { Strongly threatening Rxe6.} Rc6 39. Ra3 Rc1 40. Rxa6 Rd1+ 41. Kc2 Rg1 {With the idea ...d3+.} (41... Rh1 {feels hotter.} 42. Rg5+ Kf8 43. Ra8+ Ke7 44. Re5+ Kf6) 42. Rg5+ Kh7 ({Black should try} 42... Kf8 $11) 43. Rh5+ $14 Kg7 {[#] Black wants to play ...d3+.} 44. Rg5+ (44. Ra3 $1 $16) 44... Kf8 {The position is equal.} 45. Ra8+ Ke7 {Threatening ...d3+.} 46. Re5+ (46. Ra3 {looks sharper. } Rg2+ 47. Kd3 Rxh2 48. b5 Rf2 49. Ke4) 46... Kf6 47. Ra6+ Kg7 {Threatens to win with ...f6.} 48. Rg5+ Kf8 49. Ra8+ Ke7 {next ...d3+ is good for Black.} 50. Re5+ Kf6 51. Ra6+ {Weighted Error Value: White=0.08/Black=0.07} 1/2-1/2 [Event "GCT St Louis Rapid 2021"] [Site "St. Louis"] [Date "2021.08.12"] [Round "4.5"] [White "Rapport, Richard"] [Black "Svidler, Peter"] [Result "1/2-1/2"] [ECO "A01"] [WhiteElo "2763"] [BlackElo "2714"] [Annotator "TA"] [PlyCount "79"] [EventDate "2021.08.11"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,79,13,15,13,0,6,4,2,10,0,6,1,18,17,17,18,13,13,13,23,18,0,33,21,20,21, 20,14,18,15,21,18,19,24,18,14,14,16,13,20,23,24,21,23,12,0,0,0,20,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. b3 Nf6 3. Bb2 Nc6 4. Nf3 e4 5. Nd4 Bc5 6. Nf5 {A01: Nimzowitsch-Larsen Opening.} O-O 7. e3 d5 8. cxd5 Nb4 9. Ng3 Nbxd5 ({Don't play} 9... Qxd5 $6 10. Bxf6 gxf6 11. Nc3 $16) 10. Nc3 {[#]} Re8 $146 ({Predecessor:} 10... Nxc3 11. Bxc3 Re8 12. Bc4 Bd6 13. O-O Be5 14. Bxe5 Rxe5 15. Qc2 Qe7 16. Rac1 c6 {1/2-1/2 (27) Boehme,S (2538)-Firsching,G (2433) Remote email 2012}) 11. Nxd5 Nxd5 12. Bc4 c6 13. O-O Bd6 14. d3 exd3 15. Qxd3 Be6 16. Rad1 {e4 is the strong threat.} Bf8 17. e4 Nf4 18. Qf3 Qc7 19. Nf5 Bxf5 20. exf5 b5 {[#]} 21. Rd4 bxc4 22. Rxf4 cxb3 23. axb3 Bd6 24. Rh4 Be5 25. Bc1 Qd6 26. Qh5 {[#] aiming for Rd1.} h6 27. Rg4 {Hoping for Bxh6.The position is equal.} Kf8 28. Be3 Rab8 29. b4 (29. Rc4 {with more complications.} Kg8 30. Rd1 Qf6 31. Bxa7 Rxb3 32. g3) 29... Rxb4 30. Rxb4 Qxb4 31. f6 $1 {[%CAl Rf6g7]} Kg8 32. fxg7 Bxg7 33. Bxh6 Re1 {Strongly threatening ...Qb1.} (33... Re5 $5 34. Qh3 $8 Re1 $11) 34. Bxg7 {[%csl Gg7][%CAl Rh5h8]} Rxf1+ 35. Kxf1 {[%csl Gg7] [%CAl Rh5h8]} Kxg7 $11 {KQ-KQ} 36. Qg5+ Kh7 37. Qf5+ Kg7 38. Qg5+ Kh7 39. Qf5+ Kg7 40. Qg5+ {An uneventful encounter. Weighted Error Value: White=0.03/ Black=0.03} 1/2-1/2 [Event "GCT St Louis Rapid 2021"] [Site "St. Louis"] [Date "2021.08.12"] [Round "5.1"] [White "Svidler, Peter"] [Black "Le, Quang Liem"] [Result "1-0"] [ECO "C50"] [WhiteElo "2714"] [BlackElo "2709"] [Annotator "Shahid"] [PlyCount "112"] [EventDate "2021.08.11"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 Bc5 5. O-O h6 6. a4 a5 7. Be3 Bxe3 8. fxe3 O-O 9. Nc3 d6 10. d4 Bg4 11. Qd2 Bh5 12. Qf2 Ng4 13. Qe1 Nb4 14. Bb3 Kh8 15. h3 Nf6 16. dxe5 dxe5 17. Nxe5 Qe7 18. Qg3 Rae8 19. Rf5 Kh7 20. Raf1 (20. Nc4 Bg6 ( 20... Nxe4 $4 21. Nxe4 Bg6 22. Re5) 21. Re5) 20... Bg6 21. Nxg6 fxg6 22. Rxa5 Nxe4 23. Nxe4 Rxf1+ 24. Kxf1 Qxe4 25. Rc5 Na6 26. Rc4 Qe7 (26... Qxe3 27. Qxe3 Rxe3 28. c3) 27. c3 Qe6 28. a5 Qf5+ 29. Kg1 Qb1+ 30. Kh2 Qxb2 31. Ba4 c6 32. Bxc6 bxc6 33. Rxc6 g5 34. Qd6 Qc2 35. Rxa6 Rxe3 36. Ra7 $4 (36. Qd4 Qxc3 (36... Qf2 37. Qg4) 37. Qxc3 Rxc3 $11) 36... Qf5 (36... Qf2 $19 37. Qd4 Qg3+ 38. Kh1 Re1+) 37. Qd4 Qe5+ 38. Qxe5 Rxe5 39. a6 Rc5 40. Rb7 Rxc3 41. a7 Ra3 42. Kg1 Kg6 43. Kf2 h5 44. Ke2 h4 45. Kd2 Kf5 46. Rxg7 Ke4 47. Kc2 Kf4 48. Kb2 Ra6 49. Kb3 Ke3 50. Rf7 Kd4 51. Kb4 Ra1 52. Kb5 Kd5 53. Kb6 Kd6 54. Kb7 Rb1+ 55. Kc8 Ra1 56. Kb8 Kd5 1-0 [Event "GCT St Louis Rapid 2021"] [Site "St. Louis"] [Date "2021.08.12"] [Round "5.2"] [White "Nakamura, Hikaru"] [Black "Xiong, Jeffery"] [Result "1/2-1/2"] [ECO "D31"] [WhiteElo "2736"] [BlackElo "2710"] [Annotator "Shahid"] [PlyCount "126"] [EventDate "2021.08.11"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 c6 5. Bf4 Bf5 6. e3 Nd7 7. Nf3 Ngf6 8. h3 Be7 9. a3 a5 10. g4 Bg6 11. Bd3 Bxd3 12. Qxd3 O-O 13. O-O Re8 14. Nd2 Nf8 15. Bg3 Bd6 16. f4 b5 17. Rac1 Qb6 18. Bf2 Ne6 19. Bh4 Nd7 20. f5 Nc7 21. Bf2 c5 22. e4 Bf4 23. Rcd1 Qh6 24. Ncb1 cxd4 25. Bxd4 Ne5 26. Bxe5 Bxe5 27. Nc3 Rad8 28. Nxd5 Nxd5 29. exd5 Bxb2 30. Rf3 Re5 31. Nf1 Qb6+ 32. Kg2 Qd6 (32... Rdxd5 33. Qxd5 Rxd5 34. Rxd5 Bf6 $19) 33. Qxb5 Bxa3 34. Qxa5 Bc5 35. Re1 Rxd5 (35... Rxe1 36. Qxe1 Qxd5) 36. Qa4 Re5 37. Rxe5 Qxe5 38. Qc2 Rb8 39. Rc3 Qd5+ 40. Kh2 Bd6+ 41. Kg1 h5 42. gxh5 Be5 43. Rc8+ Rxc8 44. Qxc8+ Kh7 45. Qc2 Kh6 46. Qd2+ Qxd2 47. Nxd2 Kg5 48. Nf3+ Kxf5 49. h6 gxh6 50. Kg2 Ke4 51. Nd2+ Kf4 52. Nf3 f5 53. Nh4 Bf6 54. Nxf5 Kxf5 55. h4 Bxh4 56. Kh1 h5 57. Kg2 Kg4 58. Kh2 Bg3+ 59. Kg2 h4 60. Kg1 h3 61. Kh1 Kf3 62. Kg1 h2+ 63. Kh1 Bf4 1/2-1/2 [Event "GCT St Louis Rapid 2021"] [Site "St. Louis"] [Date "2021.08.12"] [Round "5.3"] [White "Mamedyarov, Shakhriyar"] [Black "Shankland, Sam"] [Result "0-1"] [ECO "D45"] [WhiteElo "2782"] [BlackElo "2709"] [Annotator "Shahid"] [PlyCount "50"] [EventDate "2021.08.11"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7 11. Rad1 Rad8 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 f5 15. Qe3 c5 16. Rfe1 cxd4 17. Nxd4 e5 18. Nb5 $2 (18. Bd3) 18... Bc5 19. Qg3 f4 20. Qh3 Nf6 21. Nc3 Bxf2+ 22. Kxf2 Bc8 23. Rxd8 Rxd8 24. g4 Rd2 25. Rd1 Bxg4 0-1 [Event "GCT St Louis Rapid 2021"] [Site "St. Louis"] [Date "2021.08.12"] [Round "5.4"] [White "So, Wesley"] [Black "Rapport, Richard"] [Result "1/2-1/2"] [ECO "C50"] [WhiteElo "2772"] [BlackElo "2763"] [Annotator "TA"] [PlyCount "99"] [EventDate "2021.08.11"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,99,12,25,14,27,14,29,28,24,6,25,11,6,0,0,-25,-20,-45,31,16,29,28,42, 41,46,56,36,32,70,62,75,56,76,-53,-53,-43,-47,-48,-37,-51,-44,-45,-46,-52,-52, -45,-44,-68,-68,-68,-68,-68,-68,-185,-10,-97,0,0,0,0,0,0,0,0,0,-14,0,0,0,0,0,0, 0,0,0,0,6,0,8,0,0,0,0,0,0,0,0,0,0,-5481,485,-885]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. O-O h6 6. c3 {C50: Hungarian Defence and Giuoco Pianissimo.} Bb6 7. Re1 Nge7 {[#]} 8. b4 $146 {White has an edge.} ({Predecessor:} 8. Bb3 O-O 9. Nbd2 a6 10. Nf1 Kh8 11. Ne3 f5 12. Nd5 Ba7 13. Be3 f4 14. Bxa7 Nxa7 { 1/2-1/2 (28) Pitkar,A (1516)-Junaidi,M (1788) Hue 2012}) 8... a6 9. Bb3 O-O 10. Nbd2 {[%CAl Bb1d2,Bd2c4,Bc4e3,Be3d5][%mdl 32]} Kh8 11. Nc4 Ba7 12. a4 f5 13. Ra2 b5 (13... fxe4 $15 14. dxe4 Bg4) 14. Ne3 f4 15. Nd5 Bg4 16. h3 Bh5 17. axb5 axb5 18. d4 exd4 {aiming for ...Ng6.} 19. Nxf4 Rxf4 20. Bxf4 {Threatens to win with e5.} Qf8 21. Bh2 (21. Bc1 $16) 21... dxc3 $15 22. g4 Bf7 23. Bxf7 Qxf7 24. Rc2 Qc4 25. Qc1 $1 Nd4 $36 {[%mdl 2048] Black is pushing.} 26. Rxc3 Ne2+ 27. Rxe2 $1 Qxe2 28. Qe1 Qb2 (28... Bxf2+ $2 29. Qxf2 Ra1+ 30. Kg2 $18) 29. Qd2 ({ Avoid the trap} 29. Rxc7 $2 Bb6 $1 $19) 29... Qxb4 30. Rxc7 Qxe4 31. Kg2 {[#]} ({Not} 31. Qb2 $2 Bb6 $19 (31... Qxf3 32. Rxe7 Qd1+ 33. Kg2 Qd5+ 34. f3 Bd4 $19 )) ({Only move:} 31. Bxd6 Qxf3 32. Be5) 31... Nd5 $2 (31... Rf8 $1 $19 32. Rc3 (32. Rxa7 Qxf3+) 32... b4 33. Rb3 Ng6) 32. Rf7 {[#]} (32. Qc2 $11 Qe6 33. Rb7) 32... b4 (32... Bc5 $1 $17 {White must now prevent ...Qe6.} 33. Qb2 Nf6 34. Qxb5 Kg8) 33. Bxd6 $11 {Hoping for Be5!} Rd8 34. Qb2 {[%csl Gf7][%CAl Rb2g7]} Bd4 {[%CAl Rd4b2]} 35. Qxd4 Qxd4 36. Nxd4 Rxd6 {[%mdl 4096] Endgame KRN-KRN} 37. Kf3 Rb6 {...b3 is the strong threat.} 38. Nb3 Rc6 {And now ...Rc3+ would win.} 39. Nd4 Rc4 40. Ke4 Nf6+ 41. Ke5 Rc3 42. Rb7 Rxh3 43. Kf5 Kh7 44. Rxb4 Rd3 45. f3 Nd5 46. Ra4 Nb6 47. Rb4 Nd5 48. Ra4 Nb6 49. Rb4 Nd5 50. Ra4 1/2-1/2 [Event "GCT St Louis Rapid 2021"] [Site "St. Louis"] [Date "2021.08.12"] [Round "5.5"] [White "Caruana, Fabiano"] [Black "Dominguez Perez, Leinier"] [Result "1-0"] [ECO "A04"] [WhiteElo "2806"] [BlackElo "2758"] [Annotator "Shahid"] [PlyCount "83"] [EventDate "2021.08.11"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. O-O e5 5. e4 d6 6. d3 g6 7. c4 Bg7 8. Nc3 O-O 9. a3 Nd4 10. h3 a5 11. Nxd4 exd4 12. Nb5 a4 13. f4 Ne8 14. f5 Bd7 15. b3 axb3 16. Qxb3 Be5 17. Bf4 g5 18. Bxe5 dxe5 19. a4 f6 20. Rfb1 Bc6 21. Qd1 Kh8 22. Kh2 Ra5 23. Qd2 Qa8 24. Qd1 Qd8 25. Bf3 Qe7 26. Qd2 Ra6 27. a5 Rg8 28. g4 Nd6 29. Nxd6 Qxd6 30. Kg3 Kg7 31. h4 h6 32. Rh1 Raa8 $6 (32... Rga8) 33. Bd1 Qc7 34. Ba4 Rxa5 (34... Bxa4 35. Rxa4) 35. hxg5 hxg5 36. Qh2 Kf8 37. Bxc6 bxc6 38. Qh6+ Kf7 39. Qh7+ Rg7 40. Qh5+ Ke7 41. Qh8 Rf7 42. Rh7 1-0 [Event "GCT St Louis Rapid 2021"] [Site "St. Louis"] [Date "2021.08.12"] [Round "6.1"] [White "So, Wesley"] [Black "Caruana, Fabiano"] [Result "0-1"] [ECO "C54"] [WhiteElo "2772"] [BlackElo "2806"] [Annotator "TA"] [PlyCount "48"] [EventDate "2021.08.11"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,48,30,40,37,37,37,19,45,43,71,58,66,47,53,42,58,49,44,44,42,36,35,22, 32,32,31,12,14,10,26,-29,-39,-26,-20,-17,0,-111,-105,-417,-413]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 h6 5. c3 Nf6 6. b4 Be7 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 7. O-O O-O 8. Re1 d6 {[#] The position is equal.} 9. a4 $146 ({Predecessor:} 9. Nbd2 Nh7 10. a4 Ng5 11. b5 Nb8 12. d4 Bg4 13. h3 Bh5 14. Be2 Nxf3+ 15. Bxf3 Bxf3 16. Nxf3 {1/2-1/2 (68) So,W (2770) -Carlsen,M (2847) chess24.com INT 2021}) 9... Nb8 {[%CAl Bc6b8,Bb8d7,Bd7b6] [%mdl 32]} 10. Bb3 c6 11. Nbd2 a5 12. b5 Nbd7 13. d4 cxb5 14. axb5 exd4 15. cxd4 Nb6 $1 16. Ba3 a4 17. Bc2 Be6 18. h3 d5 19. e5 Nh5 20. g3 (20. Qe2 $142) 20... Bxa3 $11 21. Rxa3 Qe7 22. Ree3 Rfc8 23. Nh4 {[#]} (23. h4 $11 {keeps the balance.}) 23... g6 $1 $17 ({Don't play} 23... Bxh3 24. Nf5 $15) 24. Nf5 $4 { [%mdl 8192]} (24. Ra2) 24... gxf5 {Weighted Error Value: White=0.53/Black=0.03} (24... gxf5 25. Qxh5 Rxc2 $19) 0-1 [Event "GCT St Louis Rapid 2021"] [Site "St. Louis"] [Date "2021.08.12"] [Round "6.2"] [White "Dominguez Perez, Leinier"] [Black "Mamedyarov, Shakhriyar"] [Result "0-1"] [ECO "C42"] [WhiteElo "2758"] [BlackElo "2782"] [PlyCount "64"] [EventDate "2021.08.11"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6 9. Qb3 dxc4 10. Bxc4 b5 11. Bd3 Nf6 12. Re1 Na6 13. a3 Bg4 14. Bc2 Re8 15. Ne5 Qc7 16. Qg3 c5 17. Bg5 cxd4 18. Bxf6 Qxc2 19. Qxg4 Qg6 20. Qxg6 hxg6 21. Bxg7 Kxg7 22. Nf3 Rxe1+ 23. Nxe1 Bf4 24. Nd3 Rc8 25. Kf1 Nc5 26. Nxf4 Nb3 27. Ra2 Rc1+ 28. Ke2 Rxb1 29. Nd3 a5 30. g4 a4 31. Kf3 Rd1 32. Nb4 d3 0-1 [Event "GCT St Louis Rapid 2021"] [Site "St. Louis"] [Date "2021.08.12"] [Round "6.3"] [White "Rapport, Richard"] [Black "Le, Quang Liem"] [Result "1/2-1/2"] [ECO "A11"] [WhiteElo "2763"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "92"] [EventDate "2021.08.11"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,92,20,0,0,0,0,7,13,14,8,0,22,0,0,0,10,0,32,41,38,0,6,15,31,6,22,30, 20,15,18,10,24,23,24,14,64,75,97,96,85,-8,-8,-38,-33,-49,-31,-81,-89,-440,-8, -8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8, -8,-8,-8,0,-8,-8,-8,-8]} 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. c4 e6 5. O-O Nf6 6. d3 dxc4 {A11: English Opening: 1...c6.} 7. dxc4 Qxd1 8. Rxd1 Nbd7 {[%CAl Bb8d7, Bd7c5,Bc5e4][%mdl 32]} 9. Bf4 O-O-O 10. Nbd2 {[#]} Be7 $146 ({Predecessor:} 10... h6 11. h3 Bxf3 12. Nxf3 Bc5 13. Bd2 Ne4 14. Be1 Bb6 15. b4 Bc7 16. a4 c5 {1-0 (29) Rapport,R (2649)-Tazbir,M (2517) Germany 2016}) 11. h3 Bh5 12. g4 Bg6 13. Nh4 Nc5 14. Nxg6 hxg6 15. Nf3 (15. b4 {with more complications.} Na4 16. a3 Nd7 17. Ne4 e5 18. Bh2) 15... Rxd1+ 16. Rxd1 Rd8 17. Rc1 Nfd7 18. b4 Ne4 19. c5 f5 20. e3 Bf6 21. Bf1 Bc3 22. b5 e5 23. Bh2 Rf8 24. bxc6 bxc6 {With the idea .. .fxg4.} 25. Nh4 (25. Bd3 $16) 25... fxg4 $11 26. Nxg6 Rxf2 {White must now prevent ...Rf6.} 27. Bg2 Ndxc5 28. Bxe4 Nxe4 29. Rxc3 $2 {[%mdl 8192]} Rf6 $2 ( {Better is} 29... gxh3 $19 {Threatens to win with ...Rg2+.} 30. Rxc6+ Kb7 31. Nxe5 Rg2+ 32. Kf1 Rxh2) 30. Rxc6+ {[%mdl 64] [#] Decoy. The position is equal.} Rxc6 {[%mdl 4096] Endgame KRN-KBN} 31. Ne7+ {[%mdl 64] Double Attack} Kd7 { aiming for ...Rc1+.} 32. Nxc6 Kxc6 33. Bxe5 gxh3 {Hoping for ...g5.} 34. Bxg7 { KB-KN} Kd5 35. Kh2 Nf2 36. Kg3 {[#]} Ng4 37. Kxh3 ({Don't blunder} 37. Kxg4 $2 h2 $19) (37. e4+ {keeps more tension.} Kxe4 38. Kxh3 Ne3 39. Bh8 Nd5 40. Kg3) ( 37. e4+ Kxe4) 37... Nxe3 38. Bh8 Kc4 39. Kg3 Nd5 40. Kf3 Nb4 41. a4 Nd3 42. Ke3 a5 43. Bf6 Nc5 44. Bd8 Kb4 45. Bxa5+ Kxa5 46. Kf3 Nxa4 {Weighted Error Value: White=0.20/Black=0.33} 1/2-1/2 [Event "GCT St Louis Rapid 2021"] [Site "St. Louis"] [Date "2021.08.12"] [Round "6.4"] [White "Shankland, Sam"] [Black "Nakamura, Hikaru"] [Result "1/2-1/2"] [ECO "E32"] [WhiteElo "2709"] [BlackElo "2736"] [Annotator "TA"] [PlyCount "72"] [EventDate "2021.08.11"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,72,8,0,20,20,20,17,21,17,22,25,28,16,19,7,7,7,8,11,7,13,16,5,6,6,6,4, 6,0,4,3,0,0,0,0,0,0,-2,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 d5 6. Bg5 h6 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} 7. Bxf6 $1 {[%mdl 4] is more profitable than 7.Bh4 at the moment.} Qxf6 8. a3 Bxc3+ 9. Qxc3 dxc4 10. Qxc4 Nc6 11. Qc3 Re8 {The position is equal.} 12. Rd1 e5 13. d5 Nb8 14. e3 Bg4 15. Be2 Nd7 {[#]} 16. O-O $146 ({Predecessor:} 16. e4 Qd6 17. O-O Nf6 18. Qc4 Bxf3 19. Bxf3 Rec8 20. Qc3 Rab8 21. Rd2 Rd8 22. Rfd1 {1/2-1/2 (30) Xiong,J (2709) -Nakamura,H (2736) Lichess.org INT 2020}) 16... Bxf3 17. Bxf3 e4 18. Qxc7 { [#] Strongly threatening Bxe4.} exf3 19. Qxd7 fxg2 20. Rfe1 Qxb2 21. Rb1 Qxa3 22. Rxb7 Rf8 23. e4 a5 24. Re3 Qc1+ 25. Kxg2 a4 {[#] And now ...a3 would win.} 26. Ra7 {Black should prevent Qxa4.} Rab8 {Hoping for ...Rb1.} 27. Qc6 Qxc6 28. dxc6 Ra8 29. Rxa8 Rxa8 $11 {[%mdl 4096] Endgame KR-KR} 30. Ra3 Rc8 31. Rxa4 Rxc6 32. Ra5 Rc3 33. Rb5 Ra3 34. Rd5 Rc3 35. Rb5 Ra3 36. Rd5 Rc3 {Not much happened in this game. Weighted Error Value: White=0.02/Black=0.01} 1/2-1/2 [Event "GCT St Louis Rapid 2021"] [Site "St. Louis"] [Date "2021.08.12"] [Round "6.5"] [White "Xiong, Jeffery"] [Black "Svidler, Peter"] [Result "1/2-1/2"] [ECO "D02"] [WhiteElo "2710"] [BlackElo "2714"] [Annotator "TA"] [PlyCount "94"] [EventDate "2021.08.11"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,94,7,10,7,9,7,10,6,10,0,6,0,0,0,0,6,6,0,6,0,0,0,42,35,36,32,43,32,34, 0,51,50,66,66,62,70,67,53,65,44,81,43,98,27,43,43,43,43,47,50,55,18,34,26,116, 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. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Nbd2 {[%CAl Bb1d2,Bd2f3,Bf3e5][%mdl 32]} O-O 6. Bd3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} b6 7. Qe2 Bb7 8. c3 c5 9. Ne5 Nc6 10. Ndf3 Qc7 {[#]} 11. Nxc6 $146 ({ Predecessor:} 11. g4 Ne4 12. g5 f6 13. gxf6 gxf6 14. Rg1+ Kh8 15. Nxc6 Bxf4 16. exf4 Bxc6 17. Qe3 {1-0 (36) Kamsky,G (2674)-Mingarro Carceller,S (2361) Chess. com INT 2020}) 11... Bxc6 12. Bxd6 Qxd6 13. Ne5 Rab8 14. a4 Nd7 15. f4 ({ Of course not} 15. Qh5 g6 $17) 15... f5 16. g4 Nxe5 17. fxe5 Qe7 18. gxf5 exf5 19. Qg2 Qh4+ (19... f4 $11) 20. Qg3 $14 Qxg3+ 21. hxg3 g6 22. Bb5 Rbc8 23. Ke2 Kg7 24. Kf3 h5 25. Kf4 a5 (25... Rc7 $14) 26. Be2 ({White should try} 26. Bxc6 $16 Rxc6 27. Rhd1) 26... Kh6 27. Kf3 Kg5 28. Kf2 Bd7 29. Bf3 Be6 30. Rac1 Rc7 31. Rhg1 Kh6 (31... Rfc8 $11) 32. Rcd1 (32. c4 $1 $16 {[%CAl Rc4d5]}) 32... cxd4 $11 {The position is equal.} 33. Rxd4 Rc5 34. Rgd1 {[%CAl Rf3d5]} Re8 35. Bxd5 Bxd5 36. Rxd5 Rxe5 {[%mdl 4096] Endgame KRR-KRR} 37. Rd6 b5 38. Rb6 bxa4 39. Rdd6 Rb5 40. Rxg6+ Kh7 41. Kf3 Rxb2 42. Ra6 Rb7 {[#] And now ...a3 would win.} 43. Kf4 Rbe7 44. Rh6+ Kg7 45. Rhg6+ Kh7 {Threatening ...Re4+.} 46. Rh6+ Kg7 47. Rhg6+ Kh7 {Weighted Error Value: White=0.11/Black=0.12} 1/2-1/2