[Event "53rd Biel ACCENTUS Classical 2020"] [Site "Biel"] [Date "2020.07.23"] [Round "3.1"] [White "Harikrishna, Pentala"] [Black "Studer, Noel"] [Result "1/2-1/2"] [ECO "E52"] [WhiteElo "2719"] [BlackElo "2580"] [Annotator "Shahid"] [PlyCount "103"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,103,-8,-5,0,0,-22,0,-38,-19,-28,-29,-64,-48,-46,-50,-58,-56,-64,-45, -30,-24,-125,-127,-121,-82,-81,-86,-115,-116,-118,-121,-120,-123,-112,-102,-91, -84,-135,-118,-145,-143,-177,-179,-177,-141,-191,-72,-67,-70,-70,-62,-85,-30, -81,-16,-54,0,0,0,-173,0,-20,-13,-12,0,0,0,-66,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd2 b6 7. cxd5 exd5 8. Bd3 Bb7 9. O-O Bd6 10. Qc2 {E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6.} c5 11. dxc5 bxc5 {[#]} 12. Ne2 $146 ({Predecessor:} 12. Nb5 Be7 13. Rfd1 Nbd7 14. Nc3 Bd6 15. Nb5 Bb8 16. b4 c4 17. Bf5 a6 18. Nbd4 { 0-1 (70) Schulze,G (1931)-Ludwig,C (2080) GER email 2013}) 12... Qe7 13. Ng3 g6 14. Rfe1 Ne4 15. Bc3 f5 16. Rad1 Nc6 17. Qa4 Rad8 18. Bb5 Qc7 19. Rxd5 $2 (19. Ne2 $11) (19. Ba6 Bxa6 20. Qxa6 h6) 19... Nxc3 $17 (19... Bxg3 20. Bc4 Bxf2+ 21. Kf1) 20. bxc3 Ne5 21. Rxe5 Bxe5 22. Ng5 Bd5 (22... Bc8) 23. c4 Bf7 $36 { [%mdl 2048] Black is in control.} 24. Nxf7 Rxf7 25. Bc6 {Bd5 would now be nice for White.} Rf6 26. Bd5+ Kg7 27. f4 ({Better is} 27. Rb1 Rb6 28. Rxb6 Qxb6 29. Nf1) 27... Bc3 28. Rb1 {Hoping for Rb7!} Rb6 29. Rb3 {[#]} Rxb3 $1 30. axb3 Rb8 (30... Bd2 31. Nf1 Qe7 32. Kf2 Re8 $19 {Harikrishna thought this was winning for black}) (30... Qe7 31. Nf1 Bd2 32. Qa1+ Kh6 33. Qe5 Qxe5 34. fxe5 $19) 31. Kf2 Qa5 (31... Rb4 $19 {and Black stays clearly on top.} 32. Qe8 Bf6 33. Qg8+ Kh6 34. Qf8+ Qg7 35. Qxc5 Rxb3) 32. Qd7+ Kh8 {...Qa2+ is the strong threat.} 33. Ne2 Bg7 34. h3 Qb6 ({Black should play} 34... a6 $17) 35. g4 (35. Nc1 $11 { remains equal.}) 35... a5 ({Of course not} 35... Qxb3 36. gxf5 gxf5 37. Qxa7 $15) (35... fxg4 $17 36. hxg4 a5) 36. gxf5 $11 Qf6 (36... gxf5 $15 37. Qxf5 Qf6 38. Qxf6 Bxf6) 37. fxg6 hxg6 38. Qa4 $2 (38. Be4 $11 {and White stays safe.}) 38... Qb6 $2 (38... Qh4+ $19 39. Kg2 Qe1) 39. Qa2 Rf8 40. Kg2 Qb4 41. Qc2 Qe1 42. Bf3 (42. Qd3 $11) 42... Kh7 ({Black should try} 42... Bf6 $1 $15 43. Ng3 Kg7) 43. Qd3 {The position is equal.} Bf6 44. Qd7+ $1 Kh6 {aiming for . ..Rd8.} 45. Qd6 Kg7 46. Qxc5 Bh4 47. Qd4+ Kh6 48. e4 Rd8 49. Qc5 $1 Rd2 50. Qf8+ Kh7 51. Qf7+ Kh6 {[#] ( -> ...Qg3+)} (51... Kh8 $5 52. Qf8+ $8 Kh7 53. Qf7+ Kh8 54. Qf8+ Kh7 $11) 52. Qf8+ {Accuracy: White = 67%, Black = 75%.} 1/2-1/2 [Event "53rd Biel ACCENTUS Classical 2020"] [Site "Biel"] [Date "2020.07.23"] [Round "3.2"] [White "Keymer, Vincent"] [Black "Naiditsch, Arkadij"] [Result "1-0"] [ECO "E62"] [WhiteElo "2558"] [BlackElo "2626"] [Annotator "Shahid"] [PlyCount "55"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c6 7. e4 Bg4 8. h3 { E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without .. .a6.} Bxf3 9. Bxf3 e5 {next ...exd4 is good for Black.} 10. d5 {White is slightly better.} cxd5 11. cxd5 {[#]} a5 $146 ({Predecessor:} 11... Qd7 12. Bg2 Na6 13. h4 b5 14. Qe2 Rfb8 15. Bh3 Qb7 16. O-O b4 17. Na4 Nc7 {1-0 (60) Kveinys,A (2565)-Luckans,A (2455) Riga 2004}) 12. Be3 Na6 13. h4 h5 {surprised Keymer} (13... Nd7 14. g4) 14. g4 hxg4 15. Bxg4 Nxg4 ({Black should play} 15... a4 $14) (15... b5 16. h5 (16. Bf3 b4 17. Ne2 {[%CAl Ye2g3,Yh4h5]}) 16... b4 17. Na4 Nxe4 18. hxg6 f5 19. Bxf5 Rxf5 20. Qg4 Qf6 21. Qxe4 Qxg6) 16. Qxg4 $16 Nb4 {White should prevent ...Nc2+.} (16... f5 17. Qxg6 f4 18. Bd2 (18. Rg1 Rf7 19. Bd2) 18... Nc5) 17. h5 $2 (17. O-O-O $18 f5 18. Qxg6 f4) 17... f5 $2 (17... Nc2+ $11 18. Ke2 (18. Kd2 Nxa1 19. hxg6 Qf6 20. gxf7+ Rxf7 21. Rxa1 Qf3 22. Qe6 Qf6 23. Rc1 Kf8 24. Qxf6 Bxf6 25. Nb5) 18... Nxa1 19. Rxa1 a4) 18. Qxg6 $18 { [#] Hoping for h6.} Rf6 19. Qg2 {aiming for h6.} (19. Qg5 f4 20. h6 Rxh6 21. Qxd8+ Rxd8 22. Rxh6 fxe3 (22... Bxh6 23. Bb6 Rf8)) 19... Kh7 $2 (19... Kf7 { was necessary.} 20. h6 Bh8) 20. exf5 Nc2+ 21. Kd2 Nxe3 22. fxe3 {[#] And now h6! would win.} Qb6 23. Kc2 Rc8 (23... Qc7 $142 24. h6 Bh8) 24. Rag1 {[%csl Gg1][%CAl Rg2g7]} (24. h6) 24... Bh6 25. Kb1 (25. Rh3 Qb4 26. Rg3 Rf7 27. Rg8) 25... Qxe3 26. Ne4 Rff8 27. Qg6+ Kh8 28. Nf6 {Accuracy: White = 95%, Black = 45%.} 1-0 [Event "53rd Biel ACCENTUS Classical 2020"] [Site "Biel"] [Date "2020.07.23"] [Round "3.3"] [White "Wojtaszek, Radoslaw"] [Black "Adams, Michael"] [Result "1/2-1/2"] [ECO "D37"] [WhiteElo "2719"] [BlackElo "2701"] [Annotator "Shahid"] [PlyCount "81"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,81,28,18,14,31,31,10,10,10,18,16,19,21,21,25,62,35,33,33,50,48,69,11, 12,11,8,6,8,6,6,6,6,6,11,5,5,5,5,6,7,7,5,5,6,7,10,7,10,10,10,10,10,10,10,10,10, 10,10,10,12,12,12,12,12,12]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. Be2 dxc4 8. O-O c5 9. dxc5 Nxc5 10. Bxc4 Qxd1 {D37: Queen's Gambit Declined: 5 Bf4.} 11. Rfxd1 b6 12. Ne5 {[#] Nc6 is the strong threat.} Bb7 13. f3 Rfd8 14. e4 {[#]} Kf8 $146 ({Predecessor:} 14... a6 15. Bf1 Rac8 16. Nc4 Rxd1 17. Rxd1 b5 18. Nd6 Bxd6 19. Bxd6 h6 20. Ne2 Ne8 {1/2-1/2 (61) Gelfand,B (2734)-Le,Q (2718) Almaty 2016}) 15. Be2 Ncd7 16. Nc4 Bc6 17. Rac1 Ne8 18. Kf1 h6 19. a3 ({Wojtaszek thought that he should have gone} 19. Bg3 { to avoid bishop exchange with Bg5}) 19... Bg5 20. Be3 (20. Bxg5 $14 hxg5 21. b4 ) 20... Bxe3 $11 {The position is equal.} 21. Nxe3 Nc5 22. b4 Nb3 23. Rxd8 Rxd8 24. Rd1 Rxd1+ 25. Bxd1 Nd4 26. e5 Ke7 27. Kf2 Nc7 28. f4 f6 29. Ne2 fxe5 30. fxe5 Nxe2 31. Bxe2 {[%mdl 4096] Endgame KBN-KBN} Nd5 32. g3 Nxe3 33. Kxe3 { KB-KB} g5 34. h4 gxh4 35. gxh4 Be8 36. Kd4 Bc6 37. Bd1 Kd7 38. a4 Ke7 39. a5 Kd7 40. axb6 axb6 41. Be2 {Accuracy: White = 91%, Black = 96%.} 1/2-1/2 [Event "53rd Biel ACCENTUS Classical 2020"] [Site "Biel"] [Date "2020.07.23"] [Round "3.4"] [White "Edouard, Romain"] [Black "Anton Guijarro, David"] [Result "0-1"] [ECO "E32"] [WhiteElo "2649"] [BlackElo "2703"] [Annotator "Shahid"] [PlyCount "90"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,90,0,0,0,0,0,14,0,0,0,0,0,0,0,0,0,6,-9,0,-34,-31,-25,-33,-30,-31,-28, -27,-36,-53,-49,-47,-41,-36,-85,-71,-71,-71,-71,-71,-71,-71,-71,-71,-121,-105, -104,-109,-213,-212,-198,-191,-227,-234,-245,-232,-271,-219,-214,-192,-292, -297,-281,-270,-403,-375,-383,-360,-335,-256,-1370,-1361,-5635,-4869,-12845, -12504,-12795,-10996,-6564,-6564]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e4 d5 6. e5 Ne4 7. Bd3 c5 8. Nf3 {E32: Nimzo-Indian: Classical (4 Qc2): 4... 0-0.} cxd4 9. Nxd4 Nd7 10. Bf4 {The position is equal.} Qh4 11. g3 Qh5 12. O-O (12. cxd5 exd5 13. Be2) (12. h4 Nxe5 13. Be2 Ng4) 12... g5 13. cxd5 Bxc3 14. bxc3 exd5 15. Bc1 $2 {Anton thought this is a mistake} (15. Bxe4 dxe4 16. e6 gxf4 17. exd7 Bxd7 18. Qxe4) 15... Nxe5 {[#]} 16. Bxe4 $146 ({Predecessor:} 16. f3 Nxd3 17. Qxd3 Nc5 18. Qd2 g4 19. Ba3 b6 20. Ne2 gxf3 21. Nf4 Qg5 22. Qd4 { 1/2-1/2 (47) Villegas,P (2329)-Bogner,S (2559) Baku 2016}) 16... dxe4 17. Qxe4 Re8 18. f4 Qxh2+ 19. Kxh2 Ng4+ {[%mdl 64] [#] Discovered Attack} 20. Kg2 Rxe4 21. fxg5 Bd7 22. Bf4 Rae8 23. Rad1 Ne3+ {White is on the road to losing.} 24. Bxe3 Rxe3 25. Nf5 Re2+ 26. Kh3 Be6 27. a4 Re3 28. c4 Re4 29. Rb1 b6 30. a5 $4 ( 30. c5 $17 {was necessary.}) 30... Re5 $19 ({Less strong is} 30... Rxc4 31. axb6 axb6 32. Rxb6 $15) (30... Bxc4 31. Rf2 $17) (30... bxa5 31. Rb7 $17) 31. g4 Rxa5 ({But not} 31... Bxc4 32. Rf4 $17) 32. Rf4 Rd8 33. Rb3 {White wants to play Ne7+.} Rc5 34. Ra3 Rd7 ({Weaker is} 34... Rxc4 35. Rxc4 Bxc4 36. Rxa7 $17) 35. Re3 Rdc7 36. Rd3 (36. Rd4 $142 h5 37. Rd8+ Kh7 38. Kh4) 36... Bxf5 $1 37. gxf5 {[#] Rd8+ would kill now.} Rxc4 38. Rxc4 (38. Kg4 $142 Rxf4+ 39. Kxf4) 38... Rxc4 {[%mdl 4096] Endgame KR-KR} 39. Rd7 a5 40. Rb7 Rc8 41. Kg4 $2 (41. Ra7) 41... Ra8 {Black is clearly winning.} 42. g6 hxg6 43. fxg6 fxg6 44. Rxb6 Kf7 45. Rb7+ Ke6 {Accuracy: White = 51%, Black = 92%.} 0-1