[Event "53rd Biel Classical 2020"] [Site "Biel"] [Date "2020.07.27"] [Round "5.1"] [White "Keymer, Vincent"] [Black "Studer, Noel"] [Result "1-0"] [ECO "E20"] [WhiteElo "2558"] [BlackElo "2580"] [Annotator "TA"] [PlyCount "113"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,113,0,12,13,2,9,3,8,14,20,8,15,14,12,8,8,14,0,0,2,0,8,0,8,0,0,0,0,0, 124,119,114,109,122,124,97,119,110,69,89,96,168,156,230,195,252,199,195,192, 268,243,254,201,197,182,326,118,112,99,102,42,54,32,32,0,87,74,74,74,78,37,61, 59,61,60,120,120,200,198,164,172,169,150,215,193,183,116,116,116,116,115,110, 112,112,106,292,297,302,294,463,446,635,627,552,547]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 {E20: Nimzo-Indian: 4 g3 and 4 f3.} 7. fxe4 c5 8. d5 exd5 {The position is equal.} 9. exd5 O-O 10. Be2 Re8 11. Nf3 Bg4 12. O-O Nbd7 13. h3 Bxf3 {[#]} 14. Rxf3 $146 ({Predecessor:} 14. Bxf3 Bd6 15. Nb5 Be5 16. d6 Rb8 17. Bg5 Qb6 18. a4 a5 19. Ra3 Rbd8 20. Rd3 {1-0 (32) Shlyakhtenko,R (2342)-Petrosyan,M (2607) Lichess.org INT 2020}) 14... Bd6 15. Bg5 Qe7 16. Nb5 Bb8 17. Re3 Be5 18. d6 Qf8 19. Bg4 a6 (19... Bxb2 $11 {remains equal.} 20. Rb1 Rxe3 21. Bxe3 Be5) 20. Bxd7 $1 $16 Nxd7 21. Be7 $1 {[%CAl Re7f8]} Rxe7 22. dxe7 Qxe7 23. Nc7 {[%CAl Bb5c7,Bc7d5,Bd5e7,Be7f5][%mdl 32]} Rd8 24. Nd5 Qg5 {Hoping for ...Bd4.} 25. Kh1 $1 Bd4 (25... Nf8 $16 {is a better defense.}) 26. Re7 $1 $18 Ne5 (26... Nf6 $16) 27. Rxb7 h5 (27... Nxc4 $142 28. Ne7+ Kh8) 28. Qc1 Qh4 29. Ne7+ Kf8 (29... Kh8 $142) 30. Nf5 Qf6 31. Qf1 Qc6 {[#]} 32. Rb3 $1 Qa4 (32... g6 {was necessary.}) 33. Rg3 $2 (33. Rb6 $18 {is the precise move to win.} Qd7 34. Rd1) 33... Bxb2 $16 34. Rb1 Qxc4 35. Qf2 ({Better is} 35. Nxg7 $16 {Threatens to win with Qf6!} Qxf1+ 36. Rxf1) 35... Bc1 $1 $14 36. Qe1 {[%mdl 1024] White has compensation.} Bf4 $1 {...Qc2 is the strong threat.} 37. Rd1 {[%CAl Rd1d8]} Re8 (37... Rd5 $11 {keeps the balance.} 38. Rb1 (38. Rxg7 Rxd1 39. Qxd1 Nd3 $11) 38... Rd8) 38. Rc3 $40 { [%mdl 128] White wants a kill.} Qe6 39. Qe4 Ng6 40. Qxe6 (40. Qb1 {keeps more tension.} Ne7 41. Rxc5 g6 42. Nxe7 Rxe7 43. Qb4) 40... fxe6 41. Ne3 Rc8 42. Nc4 Rb8 (42... Ke7 $14) 43. g3 Bc7 {[#]} (43... Bg5 $16) 44. Rd7 $1 $18 {[%CAl Rd7c7]} Bd8 45. Re3 Bf6 46. Rxe6 Kg8 (46... h4 $16) 47. Rb6 Re8 48. Rd5 (48. Rxa6 $18 {Strongly threatening Rd5.} h4 49. Kg2) 48... h4 $16 49. gxh4 Nf4 50. Rf5 ({Much weaker is} 50. Rxc5 $6 Bd4 $14) 50... Re4 51. Nd2 Re1+ 52. Kh2 Be5 $2 {This costs Black the game.} (52... Re2+ $16 {was called for.} 53. Kg3 Rxd2) 53. Nf3 $18 ({Weaker is} 53. Rxa6 Nd3+ 54. Rxe5 Nxe5 $11) 53... Bc7 {And now .. .Nd5+ would win.} 54. Nxe1 Ne6+ (54... Ng6+ {was worth a try.} 55. Rf4 Bxb6) 55. Re5 {White is clearly winning.} Nd4 (55... Bxe5+ $142 56. Kg2 Kf7 57. Rxa6 Ke7) 56. Rxa6 Bxe5+ 57. Kg2 {Accuracy: White = 83%, Black = 66%.} 1-0 [Event "53rd Biel Classical 2020"] [Site "Biel"] [Date "2020.07.27"] [Round "5.2"] [White "Wojtaszek, Radoslaw"] [Black "Harikrishna, Pentala"] [Result "0-1"] [ECO "D12"] [WhiteElo "2719"] [BlackElo "2719"] [Annotator "Shahid"] [PlyCount "99"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,99,22,20,27,20,13,8,13,10,0,8,0,1,9,12,10,19,21,29,17,26,25,27,27,31, 28,46,72,65,0,34,34,40,36,47,42,68,-61,-56,-68,-59,-51,-57,-144,-139,-133,-139, -135,-137,-133,-123,-139,-135,-120,-89,-80,-79,-228,-234,-228,-243,-226,-206, -810,-803,-803,-796,-796,-723,-796,-759,-1052,-723,-723,-723,-29966,-29967, -29969,-29967,-29968,-29967,-29965,-29966,-29970,-29975,-29975]} 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. O-O-O dxc4 11. Bxc4 {The position is equal.} b5 12. Be2 ({Don't blunder} 12. Nxg6 $2 bxc4 13. Qxc4 (13. Nb5 $2 Qd7 $19) 13... hxg6 $19) 12... a6 13. Nxg6 hxg6 14. Ne4 Nxe4 15. fxe4 c5 16. Kb1 Nc6 {[#]} 17. Bc3 $146 ({Predecessor:} 17. e5 cxd4 18. Bf3 Rc8 19. Rc1 Qd7 20. Qc2 Na7 21. Qxc8+ Nxc8 22. Bc6 Nb6 23. Bxd7+ Kxd7 24. exd4 {1-0 (32) Carlsen,M (2863)-Vachier Lagrave,M (2778) chess24.com INT 2020}) 17... O-O 18. h4 c4 19. Qc2 b4 20. Be1 c3 $1 21. h5 g5 22. e5 (22. h6 $14) 22... b3 $3 23. Qxc3 bxa2+ 24. Ka1 Bb4 25. Qc2 Bxe1 26. h6 ({Better is} 26. Rdxe1 $14 Rfc8 27. Rc1) 26... Rfc8 $1 $15 ({Much worse is} 26... Bh4 $6 27. g3 $14) 27. Rdxe1 { [#] Strongly threatening hxg7.} (27. hxg7 $2 Bh4) 27... Nb4 $36 {[%mdl 2048] Black has the initiative.} 28. Qxc7 Rxc7 29. hxg7 $4 (29. Rd1 $15) 29... Nc2+ $19 30. Kxa2 {aiming for Rc1.} Nxe1 31. Rh8+ Kxg7 32. Rxa8 Nxg2 33. Rxa6 Nxe3 { [%mdl 4096] Endgame KRB-KRN} 34. Ra3 Nf5 35. Rd3 Rd7 36. d5 {Loses the game.} ( 36. b4 $17) 36... Rxd5 $19 37. Rxd5 exd5 {KB-KN} 38. b4 {b5 would now be nice for White.} Nd4 39. Bg4 $2 {[#]} (39. Bf1) 39... Nc6 40. b5 Nxe5 41. b6 Kf6 42. b7 Nc6 43. Ka3 Ke5 44. Ka4 Kd6 45. Kb5 Kc7 {Black mates.} 46. Kc5 Ne7 47. b8=Q+ Kxb8 48. Kd6 f5 49. Bd1 g4 50. Ke5 {Accuracy: White = 60%, Black = 87%.} (50. Kxe7 g3 51. Bf3 d4 52. Ke6 d3 53. Kxf5 d2 $19) 0-1 [Event "53rd Biel Classical 2020"] [Site "Biel"] [Date "2020.07.27"] [Round "5.3"] [White "Edouard, Romain"] [Black "Naiditsch, Arkadij"] [Result "1/2-1/2"] [ECO "E21"] [WhiteElo "2649"] [BlackElo "2626"] [Annotator "Shahid"] [PlyCount "101"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,101,18,0,27,25,30,31,71,64,66,60,82,86,84,72,174,52,52,42,49,56,36, 39,44,21,22,14,10,8,116,126,218,26,26,26,26,26,28,40,37,39,28,37,35,27,26,28, 22,27,25,20,21,14,35,33,33,33,33,33,33,33,33,33,33,33,33,33,34,34,153,164,156, 156,156,156,156,156,156,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qb3 a5 6. g3 Nc6 {E21: Nimzo-Indian: 4 Nf3.} 7. Bg2 a4 8. Qc2 Ba6 {White is slightly better.} 9. O-O $1 a3 {[#]} 10. Rd1 $146 ({ Predecessor:} 10. Nb5 O-O 11. Ne5 Bb7 12. bxa3 Be7 13. Rd1 Qc8 14. Bb2 Na7 15. a4 Bxg2 16. Kxg2 {1/2-1/2 (51) Frenzel,L (2149)-Rosche,E (2462) Remote email 2012}) 10... axb2 11. Bxb2 Na5 12. Ne5 c6 (12... Bb7 $16) 13. d5 (13. Ne4 $18) 13... cxd5 $1 $14 14. cxd5 {aiming for Nxf7!} Rc8 15. dxe6 fxe6 16. Rac1 O-O 17. Qa4 Bc5 $1 18. Nxd7 Nxd7 19. Rxd7 Qf6 (19... Bxf2+ $11 {keeps the balance.} 20. Kh1 Qe8) 20. Kh1 $16 {And now Rb1 would win.} Bxe2 (20... Rcd8 $16 { is a better defense.}) 21. Qc2 $2 ({Don't do} 21. Nxe2 $6 Qxb2 22. Qg4 Rcd8 $16 ) (21. Qe4 $1 $18 {[%CAl Re4e2]} Bf3 (21... Bc4 22. Na4 $18) 22. Qxf3 Qxf3 23. Bxf3 Rxf3 24. Ne4 e5 25. Kg2 Rf5 26. f4 Nc6 27. Nxc5 bxc5 28. Rxc5) 21... Bf3 $11 22. Ne4 Bxg2+ 23. Kxg2 Qf3+ 24. Kg1 e5 ({Much weaker is} 24... Bxf2+ 25. Nxf2 e5 26. Qd2 $16 (26. Bxe5 Qxf2+ 27. Qxf2 Rxc1+ 28. Kg2 Rxf2+ 29. Kxf2 Rc2+ 30. Kg1 g6 $14)) 25. Bxe5 Bxf2+ $1 26. Nxf2 Qxf2+ 27. Qxf2 {Rxc8 would kill now.} Rxc1+ 28. Kg2 Rxf2+ 29. Kxf2 {[%mdl 4096] Endgame KRB-KRN} Rc2+ 30. Kg1 g6 31. a4 Nc4 32. Rg7+ Kf8 33. Rc7 Rc1+ 34. Kg2 Ne3+ $1 35. Kf3 Rxc7 36. Bxc7 $14 {KB-KN} Nd5 37. Be5 {Ke4 is the strong threat.} Ke7 38. Ke4 Ke6 39. g4 h5 { [#]} ({Better is} 39... Ne7 $14) 40. gxh5 $1 $16 gxh5 41. Bd4 Kd6 {[#]} 42. Kf5 $1 Kc6 43. Kg5 b5 {[%CAl Bb6b5,Bb5b4,Bb4b3][%mdl 32]} 44. a5 ({White must play } 44. axb5+ $16 Kxb5 45. Kxh5) 44... b4 $11 {The position is equal.} 45. Kxh5 Kb5 46. Kg5 b3 47. h4 Ne7 48. h5 Ng8 $1 49. Bc3 Kc4 50. Bb2 Kb5 51. Bc3 { Accuracy: White = 79%, Black = 74%.} 1/2-1/2 [Event "53rd Biel Classical 2020"] [Site "Biel"] [Date "2020.07.27"] [Round "5.4"] [White "Anton Guijarro, David"] [Black "Adams, Michael"] [Result "1-0"] [ECO "A13"] [WhiteElo "2703"] [BlackElo "2701"] [Annotator "TA"] [PlyCount "107"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,107,22,4,6,20,11,4,3,13,10,13,14,13,11,18,4,0,-1,6,6,6,4,6,4,5,0,8,8, 7,11,18,18,20,18,27,8,36,29,70,29,58,18,35,11,50,31,40,0,39,34,31,27,15,16,37, 14,59,47,77,61,78,66,98,93,212,195,212,189,197,207,207,195,270,162,162,170,179, 179,332,319,367,301,354,355,765,776,752,766,777,767,640,697,6119,6119,29993, 29994,29994,29995,29995,29996]} 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 {A13: English Opening: 1...e6.} c5 7. Ne5 Qc8 8. Qd3 {The position is equal.} Nc6 9. Nxd7 Nxd7 10. b3 Be7 11. Bb2 O-O 12. O-O Rd8 13. Nc3 Nf6 14. Qc2 Nb4 15. Qc1 Qd7 16. Rd1 Rac8 17. d3 {[#]} h6 $146 ({Predecessor:} 17... b6 18. Qd2 Nbd5 19. Ne4 h6 20. e3 Qb5 21. Bf1 Qe8 22. Qe2 Rd7 23. a3 Rdd8 {1/2-1/2 (38) Anton Guijarro,D (2674)-Karjakin,S (2760) Douglas 2019}) 18. Rb1 b6 19. a3 Nc6 20. e3 Nd5 21. Ne4 Qc7 22. Qc2 Qb8 23. Qe2 Ne5 24. Rbc1 Nd7 25. f4 a5 26. g4 N5f6 27. Nd2 Nd5 28. Ne4 N5f6 $1 29. Nc3 b5 30. g5 hxg5 31. fxg5 Nh7 32. h4 Ne5 33. Ne4 $1 c4 {[%CAl Re5d3]} 34. Bxe5 Qxe5 35. d4 $36 {[%mdl 2048] Black is under pressure. White now steadily converts the win.} ({Reject} 35. dxc4 Bxa3 36. Rxd8+ Rxd8 $15) 35... Qc7 36. a4 f5 (36... Qd7 $16) 37. gxf6 $1 $18 Nxf6 38. Nxf6+ Bxf6 39. axb5 c3 40. Qg4 Qd6 (40... e5 {might work better.}) 41. Bf1 {aiming for Bc4.} c2 42. Rd2 {[#] And now Bc4 would win.} Rc3 43. Bd3 Rxb3 $2 (43... Kf8 44. Rcxc2 Rxc2 45. Rxc2 e5) 44. Rcxc2 Kf8 45. Rd1 Qb4 46. Rc7 Rc3 $2 (46... Rxd3 47. Rxd3 Qxb5) 47. b6 Rxc7 48. bxc7 Rc8 49. Qxe6 Rxc7 {[#]} 50. Rb1 $1 {[%CAl Rb1b4]} Re7 51. Qc6 Qd2 52. Rb8+ {White mates.} Kf7 53. Qd5+ Re6 54. Qh5+ {Accuracy: White = 91%, Black = 57%.} 1-0