[Event "53rd Biel ACCENTUS Classical 2020"] [Site "Biel"] [Date "2020.07.21"] [Round "1.1"] [White "Naiditsch, Arkadij"] [Black "Studer, Noel"] [Result "1-0"] [ECO "C47"] [WhiteElo "2626"] [BlackElo "2580"] [Annotator "Shahid"] [PlyCount "67"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "40/6000+30:20/3000+30:900+30"] {[%evp 0,67,25,16,10,25,26,12,18,-38,-18,-16,-27,-36,-17,4,-8,5,11,9,34,2,7,4, 0,-13,2,-34,-10,-13,29,-15,13,0,19,15,157,160,201,211,230,211,470,521,521,493, 517,517,726,194,125,81,61,101,155,102,213,236,309,197,246,164,284,1036,974,970, 1149,1180,1680,1799]} 1. e4 {[%emt 0:09:35]} e5 {[%emt 0:09:39]} 2. Nf3 { [%emt 0:00:13]} Nf6 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:09:14]} Nc6 {[%emt 0:00: 07]} 4. g3 {[%emt 0:00:15]} d5 {[%emt 0:00:25]} 5. exd5 {[%emt 0:00:17]} Nxd5 { [%emt 0:00:07]} 6. Bg2 {[%emt 0:00:10]} Nxc3 {[%emt 0:00:20]} 7. bxc3 {[%emt 0: 00:08]} Bc5 {[%emt 0:00:14]} 8. O-O {[%emt 0:04:51]} O-O {[%emt 0:00:56]} 9. d3 {[%emt 0:00:28]} Bb6 {[%emt 0:04:17]} 10. a4 {[%emt 0:12:33]} Re8 {[%emt 0:09: 33]} 11. Nd2 {[%emt 0:11:04]} ({Naiditsch thought that he should have played} 11. Re1 {instead}) 11... Be6 {[%emt 0:09:07]} 12. Rb1 {[%emt 0:09:44]} Qd7 { [%emt 0:03:11]} 13. Nb3 {[%emt 0:11:12]} (13. Nc4 Bxc4 14. dxc4 Qxd1 15. Rxd1 Na5 {"Black should be fine here"-Naiditsch}) 13... Bg4 {[%emt 0:02:56]} 14. Qe1 {[%emt 0:02:25]} e4 {[%emt 0:01:38]} 15. d4 {[%emt 0:04:14]} Re6 {[%emt 0:30: 34]} (15... Na5 16. Nxa5 Bxa5 17. Rb5 Bb6) 16. Be3 {[%emt 0:02:23]} Rae8 { [%emt 0:00:48]} 17. Qd2 {[%emt 0:07:41]} Qd5 $4 {[%emt 0:03:23]} 18. c4 { [%emt 0:03:42]} Qh5 {[%emt 0:08:27]} (18... Qxc4 19. a5 $18) 19. c5 {[%emt 0: 02:43]} Ne7 {[%emt 0:04:15]} 20. cxb6 {[%emt 0:00:08]} Nf5 {[%emt 0:07:30]} 21. bxc7 {[%emt 0:02:40]} Bf3 {[%emt 0:05:02]} 22. Nc5 $2 {[%emt 0:03:07] Naiditsch realized that it was a huge mistake} Bxg2 {[%emt 0:01:47]} 23. Nxe6 { [%emt 0:01:01]} fxe6 {[%emt 0:03:59]} 24. Bg5 {[%emt 0:04:20]} Bf3 {[%emt 0:00: 56]} 25. h4 {[%emt 0:01:16]} Qg4 {[%emt 0:00:19]} 26. Kh2 {[%emt 0:00:14]} e3 { [%emt 0:00:05]} 27. Qc3 {[%emt 0:02:28]} exf2 {[%emt 0:01:13]} (27... Rc8 28. Rb5) 28. Bf4 $18 {[%emt 0:00:26]} Bc6 {[%emt 0:00:05]} 29. d5 {[%emt 0:03:01]} (29. Qxc6 bxc6 30. Rb8 Qg6) 29... exd5 {[%emt 0:00:32]} 30. Rxf2 {[%emt 0:00: 02]} d4 {[%emt 0:01:08]} 31. Qc4+ {[%emt 0:01:06]} Kh8 {[%emt 0:00:30]} 32. Qxc6 {[%emt 0:00:48]} bxc6 {[%emt 0:00:28]} 33. Rb8 {[%emt 0:00:05]} Nd6 { [%emt 0:01:25]} 34. Bxd6 {[%emt 0:00:26]} 1-0 [Event "53rd Biel ACCENTUS Classical 2020"] [Site "Biel"] [Date "2020.07.21"] [Round "1.2"] [White "Harikrishna, Pentala"] [Black "Adams, Michael"] [Result "1/2-1/2"] [ECO "C84"] [WhiteElo "2719"] [BlackElo "2701"] [Annotator "TA"] [PlyCount "91"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,91,20,13,7,7,7,9,0,8,0,8,0,13,0,0,0,0,0,0,0,0,0,11,0,-2,0,24,24,18, 22,32,39,35,29,27,12,11,2,65,14,85,74,79,79,58,72,71,77,60,60,69,60,80,80,80, 80,79,87,73,72,74,23,48,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a3 $1 {[%mdl 4] now scores much better than the old 8.a4. Played by Ian Nepomniachtchi in June 2020. C84: Closed Ruy Lopez: Unusual White 6th moves.} Na5 9. Ba2 c5 10. Nc3 Be6 11. Nh4 O-O 12. Nf5 Nc6 13. Nd5 Bxf5 14. exf5 Rc8 {[#]} 15. c3 $146 ({ Predecessor:} 15. a4 b4 16. Be3 Nxd5 17. Bxd5 Bf6 18. c4 bxc3 19. bxc3 Ne7 20. Bb7 Rb8 21. Bxa6 Nxf5 {1/2-1/2 (39) Vachier Lagrave,M (2779)-Svidler,P (2753) Biel 2018}) 15... Nxd5 16. Bxd5 Bf6 17. a4 Ne7 18. Qf3 Nxd5 19. Qxd5 Qd7 20. axb5 axb5 21. g4 Qe7 22. Ra6 Rfd8 23. Re1 h5 24. gxh5 Bg5 $1 {[%CAl Rg5c1] [#] Threatens to win with ...Bxc1.} 25. f4 Bh4 (25... Bh6 $1 $11) 26. Re4 (26. Rf1 $1 $14) 26... Qf6 (26... Bf6 $11 {keeps the balance.}) 27. fxe5 $16 dxe5 28. Rxf6 Rxd5 29. Rb6 Rxd3 30. Kg2 Rd1 {aiming for ...Bd8.} 31. Be3 Re1 32. h6 b4 33. Rxh4 Rxe3 34. hxg7 Kxg7 {[%mdl 4096] Endgame KRR-KRR} 35. Kf2 ({Of course not} 35. cxb4 cxb4 36. Rg4+ Kh7 $11) 35... Rd3 {[#]} 36. Rbh6 $1 {f6+ would kill now.} Rg8 37. f6+ Kf8 38. Rc4 ({Much less strong is} 38. cxb4 $6 Ke8 $16) 38... Ke8 {The position is equal.} 39. Rxc5 bxc3 40. Rxe5+ Kd7 {Hoping for ... c2.} 41. bxc3 Rxc3 42. Rh4 Rc2+ 43. Ke3 Rc3+ 44. Kf2 Rc2+ 45. Ke3 Rc3+ 46. Kd4 {Accuracy: White = 91%, Black = 91%.} 1/2-1/2 [Event "53rd Biel ACCENTUS Classical 2020"] [Site "Biel"] [Date "2020.07.21"] [Round "1.3"] [White "Keymer, Vincent"] [Black "Anton Guijarro, David"] [Result "1-0"] [ECO "E52"] [WhiteElo "2558"] [BlackElo "2703"] [Annotator "Shahid"] [PlyCount "63"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd2 b6 7. cxd5 exd5 8. Bd3 Bb7 9. O-O Nbd7 10. Qc2 a6 {E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6.} 11. Ne5 c5 12. a3 cxd4 {[#] The position is equal.} (12... Bxc3 $5 13. Bxc3 c4 $11) 13. exd4 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 13. Nxd7 Qxd7 14. axb4 dxc3 15. Bxc3 d4 16. Bxd4 Bxg2 17. Bxf6 gxf6 18. Bf5 Qb7 19. Rfd1 {1/2-1/2 (28) Sandipan,C (2545)-Vatsal,S (2252) Mumbai 2020}) 13... Bxc3 (13... Bd6 14. Bf4) 14. Bxc3 Ne4 15. Bb4 $36 {[%mdl 2048] Black must now prevent Nxd7. White is pushing.} Re8 (15... Rc8 16. Qb1 Re8 17. f3 Nef6 18. Nxd7 Qxd7 19. Bf5) 16. f3 Nef6 17. Rfe1 Rc8 18. Qf2 Nf8 19. Bd2 N6d7 20. Ng4 Qc7 21. Ne3 (21. Rac1) 21... Ne6 22. Nf5 (22. Rac1) 22... Ndf8 23. Rac1 Qd7 24. Qg3 Rxc1 25. Rxc1 Ng6 (25... h5 $16 26. h3 Ng6) 26. h4 $18 {Threatens to win with h5.} h5 $2 (26... Rc8 27. h5 (27. Rxc8+ Bxc8 28. h5 Ne7 $18) 27... Rxc1+ 28. Bxc1 Ne7 29. Qb8+ Nc8) (26... Ne7 27. Nxg7 (27. Nh6+ Kf8 28. Bb4 gxh6 29. Bxh7 Ng7 30. Rc7) 27... Nxg7 28. Rc7 Qa4) 27. Nd6 Rd8 {[#]} 28. Nxf7 $1 { [%mdl 512]} Qxf7 29. Bxg6 ({Less strong is} 29. Qxg6 Qxg6 30. Bxg6 Nxd4 $18) 29... Qf6 30. Kh2 Qxd4 (30... Rf8 $142 31. Re1 Nf4) (30... Nxd4 31. Rc7) 31. Re1 Bc8 {[#]} 32. Rxe6 $1 {[%mdl 512] White took control after the opening. Accuracy: White = 95%, Black = 53%.} 1-0 [Event "53rd Biel ACCENTUS Classical 2020"] [Site "Biel"] [Date "2020.07.21"] [Round "1.4"] [White "Wojtaszek, Radoslaw"] [Black "Edouard, Romain"] [Result "1/2-1/2"] [ECO "D41"] [WhiteElo "2719"] [BlackElo "2649"] [Annotator "TA"] [PlyCount "80"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,80,37,34,33,38,-13,32,35,44,30,36,24,60,51,63,2,24,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,18,18,19,0,0,0,0,0,0,0,0,0,0,0,0,-2,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 cxd4 6. Qxd4 exd5 7. e4 {Hoping for Bb5+. D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} dxe4 8. Qxd8+ Kxd8 9. Ng5 {White is slightly better.} Be6 10. Nxe6+ fxe6 11. Bg5 h6 12. O-O-O+ {[%mdl 1024] White has compensation.} Ke7 $1 {[#]} 13. Bh4 $146 (13. Bxf6+ $14 gxf6 14. Nxe4) ({Predecessor:} 13. Bxf6+ gxf6 14. Nxe4 Bg7 15. Ng3 f5 16. Bd3 Rd8 17. Bxf5 Na6 18. Rxd8 Rxd8 19. Re1 {1/2-1/2 (39) Leiner,R (2357)-Kopeikin,V (2436) ICCF email 2015}) 13... Kf7 (13... g5 $5 14. Bg3 $8 Bg7 $14) 14. Rd8 {[#] Black must now prevent Bg3.} g5 {The position is equal.} 15. Bg3 Bg7 16. Rxh8 Bxh8 17. Bb5 a6 18. Ba4 b5 19. Bc2 Nc6 20. Nxe4 Nd4 21. Re1 (21. Nxf6 Rc8) 21... Nxe4 22. Bxe4 Rc8+ 23. Kb1 Nf5 24. Rc1 Rxc1+ 25. Kxc1 Nxg3 26. fxg3 $11 {[%mdl 4096] Endgame KB-KB} b4 27. Kc2 a5 28. h3 g4 29. hxg4 Be5 30. a3 bxa3 31. bxa3 Bxg3 32. Kd3 Kf6 33. Bc6 Kg5 34. Bd7 Kxg4 35. Bxe6+ Kg5 36. a4 Bd6 37. g4 h5 38. gxh5 Kxh5 39. Kc4 Bb4 40. Kb5 Kg5 {Accuracy: White = 95%, Black = 96%.} 1/2-1/2