[Event "Saint Louis Rapid 2020"] [Site "Saint Louis"] [Date "2020.09.15"] [Round "1"] [White "Dominguez Perez, Leinier"] [Black "Harikrishna, Pentala"] [Result "0-1"] [ECO "B12"] [WhiteElo "2758"] [BlackElo "2732"] [Annotator "TA"] [PlyCount "102"] [EventDate "2020.09.15"] [EventType "rapid"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,102,26,60,23,21,0,14,-20,16,16,32,8,28,14,12,15,9,10,14,18,27,14,33, 13,12,5,9,0,0,0,0,0,0,0,16,16,20,0,4,-60,-44,-119,-115,-183,-179,-183,-175, -294,-50,-74,0,-22,-7,-27,-15,-36,-41,-28,0,0,0,0,0,0,0,0,0,0,0,-56,-31,-22,-5, -76,-8,-753,-689,-1181,-1080,-2497,-1982,-29964,-29951,-29964,-29965,-29980, -29981,-29984,-29985,-29985,-29984]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 Qb6 7. Nc3 Nc6 8. Na4 {B12: Caro-Kann: Advance Variation.} (8. O-O $5 {[%CAl Rd4c5]}) 8... Qa5+ 9. c3 {[%CAl Rd4c5]} c4 $1 {[%mdl 4] outshines the older 9...cxd4. Played by Maxime Vachier Lagrave in May 2020.} 10. b4 {The position is equal.} Qd8 (10... Bxb4 $5 11. g4 (11. cxb4 Nxb4 12. Nc5 Nc2+ 13. Kf1 Nxa1 $11) 11... Be4 12. cxb4 Nxb4 $11) 11. O-O {[#]} Bg6 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 11... h6 12. Nb2 Nge7 13. a4 Bh7 14. Qd2 Nf5 15. Bd1 Rc8 16. Qe2 Be7 17. Bc2 O-O {0-1 (41) Robson,R (2673)-Vazquez,G (2527) chess.com INT 2020}) 12. Ne1 Nge7 13. f4 Nf5 14. Bf2 h5 15. Nb2 b5 16. a4 a6 17. Nc2 Be7 18. Qd2 O-O 19. axb5 axb5 20. Rxa8 Qxa8 21. Ra1 Qb7 22. Nd1 Ra8 23. Qc1 Rxa1 24. Qxa1 f6 25. Qb2 fxe5 26. dxe5 (26. fxe5 $11 Qa7 27. Nce3) 26... Bd8 $15 27. Nde3 ({White should play} 27. Ne1 $15) 27... Nxe3 $17 28. Bxe3 (28. Nxe3 $17 Bb6 29. Nc2) 28... Bb6 $19 29. Nd4 {[#]} Bxd4 $1 30. Bxd4 (30. cxd4 {only move.} Qe7 31. Bd2) 30... Qf7 $2 (30... Nxd4 $19 31. cxd4 Qf7) 31. Qd2 $1 $15 Be4 (31... Nxd4 $17 32. Qxd4 Qf5) 32. g3 h4 { Black wants to play ...hxg3.} 33. Qe3 hxg3 34. hxg3 Qg6 35. Kf2 Qh6 36. Bc5 $1 Qh1 37. Bg4 Kf7 38. Be2 Kg8 39. Bg4 Kf7 40. Be2 Qb1 41. g4 ({White should try} 41. Qd2 $11) 41... Qc2 $36 {[%mdl 2048] White must now prevent ...Bd3. White is under pressure.} 42. Ke1 $1 Bd3 {Hoping for ...Bxe2.} 43. Bxd3 (43. Qd2 $11) 43... Qxc3+ (43... cxd3 $17 44. Qd2 {[#]} g5 $1 {[%mdl 512]} 45. fxg5 Kg6) 44. Qd2 $2 {[%mdl 8192] This costs White the game.} (44. Ke2 $11 cxd3+ 45. Qxd3 Qxd3+ 46. Kxd3) 44... Qxd3 $19 45. Qxd3 cxd3 {[%mdl 4096] Endgame KB-KN} 46. Kd2 {[#]} g5 $1 {[%CAl Rg5f4][%mdl 512]} 47. fxg5 Nxe5 {Black mates.} 48. Kc3 Kg6 49. Be3 Nc4 50. Bc5 d2 51. Kc2 Kxg5 {Accuracy: White = 62%, Black = 79%.} 0-1 [Event "Saint Louis Rapid 2020"] [Site "Saint Louis"] [Date "2020.09.15"] [Round "2"] [White "Harikrishna, Pentala"] [Black "Firouzja, Alireza"] [Result "1/2-1/2"] [ECO "D37"] [WhiteElo "2732"] [BlackElo "2728"] [Annotator "TA"] [PlyCount "63"] [EventDate "2020.09.15"] [EventType "rapid"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,63,23,18,19,20,12,12,68,73,70,73,65,30,33,29,39,30,27,42,41,29,37,18, 37,24,21,13,18,14,18,22,18,15,13,0,0,0,22,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Nbd7 5. Bg5 h6 6. Bh4 Be7 7. e3 O-O 8. Rc1 c5 { The modern move. D63: Queen's Gambit Declined: Classical: 7 Rc1.} 9. cxd5 Nxd5 10. Bxe7 Qxe7 (10... Nxe7 $11 11. Be2 b6) 11. Nxd5 $14 exd5 12. dxc5 Nxc5 13. Be2 Rd8 {[#]} 14. O-O $146 ({Predecessor:} 14. Nd4 Bd7 15. O-O Rac8 16. Qd2 b6 17. b4 Ne4 18. Qb2 Rxc1 19. Rxc1 Rc8 20. Rxc8+ Bxc8 {1-0 (32) Krupenski,J (2413)-Lelumees,B (2172) Tallinn 2017}) 14... Bg4 15. Nd4 Bxe2 16. Qxe2 Rac8 17. Qb5 a6 18. Qa5 Qd6 19. Qc3 Qd7 20. h3 {The position is equal.} Ne6 21. Qb4 Nxd4 22. Qxd4 Rxc1 23. Rxc1 $11 {[%mdl 4096] Endgame KQR-KQR} Rc8 24. Rc5 (24. Rd1 {seems wilder.} Qf5 25. g4 Qf3 26. Qxd5 Qxh3 27. Qf5) 24... Rxc5 25. Qxc5 { KQ-KQ} Qf5 26. a4 Qb1+ 27. Kh2 {Qc8+ is the strong threat.} Qxb2 28. Qc8+ Kh7 29. Qf5+ {[%mdl 64] [#] Double Attack} Kg8 30. Qc8+ Kh7 31. Qf5+ {[%mdl 64] Double Attack} Kg8 32. Qc8+ {Accuracy: White = 94%, Black = 94%.} 1/2-1/2 [Event "Saint Louis Rapid 2020"] [Site "Saint Louis"] [Date "2020.09.15"] [Round "3"] [White "Grischuk, Alexander"] [Black "Harikrishna, Pentala"] [Result "0-1"] [ECO "D44"] [WhiteElo "2777"] [BlackElo "2732"] [Annotator "TA"] [PlyCount "80"] [EventDate "2020.09.15"] [EventType "rapid"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,80,-12,0,0,0,-50,22,29,33,16,18,-24,21,33,62,20,56,51,62,26,7,-28,0, 0,0,0,0,0,65,26,28,9,9,-43,-25,-35,-29,-56,-62,-110,0,0,0,0,0,0,0,-12,0,0,0,0, 0,0,0,0,0,-14,-34,-215,-216,-256,-253,-841,-833,-29997,-29998,-29998,-29999]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. a4 Qb6 8. Be2 { D44: Semi-Slav: Botvinnik System.} Nbd7 9. O-O Bb7 {[#]} (9... b4 $15 10. a5 Qc7) 10. a5 $146 {The position is equal.} ({Predecessor:} 10. d5 a6 11. dxe6 fxe6 12. a5 Qc7 13. Nd4 Nc5 14. Bxf6 gxf6 15. Bh5+ Ke7 16. Qg4 {1-0 (26) Pachta,P (2331)-Forsaa,E (2065) Herceg Novi 2006}) 10... Qa6 11. b3 Bb4 12. Bd2 (12. Na2 {keeps more tension.} Qxa5 13. Bxf6 Nxf6 14. bxc4 Be7 15. e5) 12... Bxc3 (12... c5 {is interesting.} 13. bxc4 bxc4 14. dxc5 O-O 15. Ra4 Bxc3 16. Bxc3 Bc6) 13. Bxc3 c5 14. dxc5 Bxe4 15. bxc4 bxc4 16. Bxf6 gxf6 17. Qa4 Rg8 ( 17... Bc6 $5 {[%CAl Rc6a4]} 18. Bxc4 Bxa4 19. Bxa6 Nxc5 $15) 18. g3 Qc6 $36 { [%mdl 2048] Black has some pressure.} 19. Nd4 Qxa4 $1 20. Rxa4 Rc8 (20... Bd3 $11 21. Bxd3 cxd3) 21. Rxc4 {Strongly threatening c6.} (21. Nb5 $5 {[%CAl Rb5d6]}) 21... Rxc5 22. Rxc5 Nxc5 23. Rc1 (23. Nb5 $11 Kf8 24. f3) 23... Rg5 $15 24. Nb5 {[#] Hoping for f4.} Nd3 25. Rc8+ Kd7 26. Rb8 Rc5 ({Black should play} 26... a6 $17 27. Bxd3 Bxd3 28. Rb7+ Kc6 29. Rb6+ Kc5) 27. f3 $11 Bg6 28. a6 Rc1+ 29. Kg2 Rc2 30. Kf1 Rc1+ 31. Kg2 Rc2 32. Rb7+ Kd8 33. Nd4 Ra2 {...Nc1 is the strong threat.} 34. Rxa7 Nc1 35. Nc6+ Ke8 36. Re7+ $2 {White does not recover from this.} ({Better is} 36. Kf1 $15 Rxe2 37. Rb7) 36... Kf8 $19 37. a7 Nxe2 38. Kf1 $2 {[#]} (38. Rb7 Nd4+ 39. Kh3 Nxc6 40. Rb8+ Kg7 41. a8=Q Bf5+ 42. g4 Rxa8 43. Rxa8) 38... Nd4 $1 {[%mdl 576] ( -> ...Bd3+). Discovered Attack} 39. Rc7 (39. Nxd4 Kxe7) 39... Bd3+ 40. Ke1 Nxf3+ {[%mdl 64] Double Attack. Accuracy: White = 45%, Black = 70%.} 0-1