[Event "53rd Biel ACCENTUS Classical 2020"] [Site "Biel"] [Date "2020.07.22"] [Round "2.1"] [White "Studer, Noel"] [Black "Edouard, Romain"] [Result "1/2-1/2"] [ECO "D41"] [WhiteElo "2580"] [BlackElo "2649"] [Annotator "Shahid"] [PlyCount "110"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 26,110,14,19,21,0,6,0,8,6,4,3,5,0,12,32,22,22,53,74,82,68,72,0,0,0,0,0, 0,-28,-26,-23,-36,-27,-30,-56,-47,-68,-64,-58,-16,-51,-52,-69,-9,-8,0,0,0,0,0, 0,0,0,-4,-8,0,0,0,0,0,-1,-1,-8,-1,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] } 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4 Nd7 12. O-O b6 13. Rfe1 Bb7 14. Rad1 Rc8 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} 15. Bb3 Re8 16. h3 Nf6 17. Qf4 Nh5 18. Qh2 h6 {[#]} 19. Re3 $146 ({Predecessor:} 19. Nd2 b5 20. Qe5 Qg5 21. Qxg5 hxg5 22. Nf3 g4 23. hxg4 Nf6 24. Ng5 a5 25. Rb1 {1/2-1/2 (52) Mamedyarov,S (2774)-Ding,L (2805) Zagreb 2019}) 19... Nf6 20. d5 exd5 21. e5 $1 {[%CAl Re5f6]} Nh7 22. Nd4 $1 {[%mdl 1024] White has compensation.} Qd7 23. Qf4 Nf8 {[#]} 24. Nf5 ({Better is} 24. Qg3 $1 $16 a5 (24... Rc5 25. f4) 25. a4) 24... Ng6 $1 $11 {[%CAl Rg6f4]} 25. Qg4 {Strongly threatening Nxh6+!} Rc7 $1 26. Rde1 {And now e6! would win.} Kh7 27. f4 Bc8 $36 {[%mdl 2048] Black fights for an advantage.} 28. Nd6 {[#] Qxd7 is the strong threat.} Qxg4 29. hxg4 Rd8 30. Nxc8 Rdxc8 31. f5 Ne7 $1 32. Kf2 b5 33. Rd3 Rc5 34. Red1 {[%CAl Rb3d5]} Rd8 (34... Nc6 $15 35. Rxd5 Nxe5) 35. f6 {The position is equal.} gxf6 36. exf6 Ng8 37. Rxd5 Rcxd5 38. Rxd5 Rxd5 39. Bxd5 Nxf6 40. Bxf7 Nxg4+ { [%mdl 4096] Endgame KB-KN} 41. Ke2 Kg7 42. Be8 a6 43. Kd3 Kf6 44. Kc3 Ke7 45. Bh5 $1 {[%CAl Rh5g4]} Ne3 46. Bf3 Kd6 47. Kb4 $1 Nc2+ 48. Kc3 Ne3 49. Kb4 $1 Nd5+ 50. Bxd5 Kxd5 {K3P-KPP} 51. Ka5 h5 52. Kxa6 Kc6 53. g3 b4 54. Ka5 Kc5 55. Ka6 $1 Kc6 {Accuracy: White = 92%, Black = 91%.} (55... Kc4 $5 56. Kb6 $8 Kd3 $11) 1/2-1/2 [Event "53rd Biel ACCENTUS Classical 2020"] [Site "Biel"] [Date "2020.07.22"] [Round "2.2"] [White "Anton Guijarro, David"] [Black "Wojtaszek, Radoslaw"] [Result "1/2-1/2"] [ECO "B53"] [WhiteElo "2703"] [BlackElo "2719"] [Annotator "TA"] [PlyCount "81"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,81,20,21,20,17,0,25,26,18,20,26,15,10,6,11,18,18,10,19,14,21,20,19,20, 25,22,26,24,32,24,18,0,0,0,0,0,0,0,0,0,0,0,12,0,0,0,0,0,0,-13,-16,-17,-16,-16, -22,-16,-16,-15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. Bg5 Nc6 6. Bb5 {B53: Sicilian: 2...d6: Lines with Qxd4.} Bd7 7. Qd3 Ng4 8. Nc3 {White has an edge.} h6 {[#]} 9. Bf4 $146 ({Predecessor:} 9. Bxc6 Bxc6 10. Bh4 g5 11. Bg3 Bg7 12. Nd4 Ne5 13. Qe2 Bd7 14. O-O Rc8 15. Nd5 { 0-1 (41) Bojkovic,N (2395)-Sebag,M (2512) Gaziantep 2012}) 9... g5 10. Bxc6 Bxc6 11. Bd2 Bg7 12. h3 Ne5 13. Nxe5 Bxe5 14. O-O-O Qb6 15. Be3 Qa5 16. Bd4 f6 17. Kb1 Bxd4 18. Qxd4 Qe5 19. Qd2 h5 20. h4 {The position is equal.} O-O-O 21. f3 Kb8 22. Nd5 g4 23. Rhe1 gxf3 24. gxf3 Rhg8 25. b3 Rg3 26. Re3 {[#] Hoping for f4.} Rdg8 27. Nb4 Bd7 28. Nd3 Qd4 29. Nf4 Qxd2 30. Rxd2 Rg1+ 31. Kb2 Rh1 32. Nd5 Rg7 33. Ree2 Rxh4 34. Rg2 Rxg2 35. Rxg2 $11 {[%mdl 4096] [#] Endgame Rg8+ is the strong threat. KRB-KRN} Be6 36. Nxe7 Rf4 $1 37. Rh2 Rxf3 38. Rxh5 Rf4 39. Nd5 Bxd5 40. exd5 b5 41. Rh7 {An uneventful encounter. Accuracy: White = 100%, Black = 97%.} 1/2-1/2 [Event "53rd Biel ACCENTUS Classical 2020"] [Site "Biel"] [Date "2020.07.22"] [Round "2.3"] [White "Adams, Michael"] [Black "Keymer, Vincent"] [Result "1-0"] [ECO "B90"] [WhiteElo "2701"] [BlackElo "2558"] [Annotator "Shahid"] [PlyCount "137"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,137,0,11,0,6,0,10,22,16,15,25,21,20,24,20,24,24,23,29,19,12,17,28,23, 24,8,56,56,56,55,56,55,54,55,64,57,182,95,105,100,100,89,106,85,131,109,160, 187,311,292,290,265,218,227,231,255,325,287,322,322,335,145,165,123,398,362, 354,354,573,572,514,542,527,522,454,460,516,443,473,475,476,426,610,590,533, 445,744,725,681,506,689,0,553,552,545,534,854,834,836,662,845,706,811,756,797, 774,1162,1238,1176,1119,888,953,1416,1156,29978,29979,29991,29992,29992,29992, 29994,29994,29994,29994]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bc4 Be6 9. Qe2 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Qc8 10. Bb3 {[#]} Nbd7 $146 ({Predecessor: } 10... Bxb3 11. cxb3 h6 12. O-O Qe6 13. b4 Nc6 14. b5 Nb4 15. a5 O-O 16. Ra4 d5 17. exd5 Nfxd5 18. bxa6 Rxa6 19. Qxe5 Qxe5 20. Nxe5 Nxc3 21. bxc3 {1/2-1/2 (31) Hassim,U (2314)-Mesquita Jr,F (2317) ICCF email 2018}) 11. Bg5 {The position is equal.} Bd8 12. a5 Bxb3 13. cxb3 Qc5 14. Be3 Qc6 15. Qc4 Rc8 16. Nd2 Ng4 17. Qe2 Nxe3 18. Qxe3 b5 19. axb6 Bxb6 20. Qe2 a5 (20... f5 $5) 21. O-O Nf6 22. Nc4 O-O 23. Nxa5 Bxa5 24. Rxa5 Rb8 25. Ra6 Rb6 {[#]} (25... Qc5 $14) 26. Rfa1 (26. b4 $1 $18 {[%mdl 512]}) 26... Qb7 {[#]} 27. Rxb6 $1 Qxb6 28. Ra6 Qb8 29. g3 h5 30. h4 (30. Qd1) 30... Qb4 ({Black should try} 30... g6) 31. Qc4 $16 Rb8 {[#]} (31... Qc5 {was called for.} 32. Rc6 Qxc4 33. Rxc4 (33. bxc4 Rb8 $16) 33... Rb8) 32. Ra8 $1 $18 {Black must now prevent Qxb4.} Qb7 33. Rxb8+ Qxb8 34. b4 Qa7 {intending ...Qa1+.} 35. Kg2 g6 36. b5 Ng4 37. Qe2 Nf6 38. Qd3 (38. Qe3 $18 Qa5 39. Qd3) 38... Ng4 $16 39. Qd2 {Threatens to win with Nd5.} Kg7 $2 {[%mdl 8192]} (39... Qc5 $16) 40. Nd5 $18 Qc5 41. b6 Qc4 $2 (41... Qc6 { is a better defense.} 42. Qd3 Qc1) 42. f3 Nf6 43. Nxf6 {[%mdl 64] Discovered Attack} Kxf6 44. Qxd6+ {[%mdl 4096] Endgame KQ-KQ} Kg7 45. Qxe5+ Kh7 46. Qc3 Qb5 47. Qd4 Qe2+ 48. Qf2 Qd3 (48... Qc4 $142 49. g4 hxg4 50. fxg4 Kg7) 49. e5 Qb5 50. f4 Kg8 (50... Kg7 $142 51. Kh2 Qb4) 51. Kg1 Qb3 52. Kf1 Qd3+ 53. Kg2 Qb5 $1 54. g4 hxg4 55. Kg3 Qb3+ 56. Kxg4 Qd1+ 57. Kg3 Qb3+ 58. Kh2 Qb4 59. Kg2 Kf8 60. Kf3 Ke8 61. Kg4 Kf8 62. h5 gxh5+ 63. Kxh5 Qb3 64. Kg5 Kg7 65. f5 { White mates.} Qb4 66. f6+ Kf8 67. Qg2 {[%CAl Rg2a8]} Qa4 68. b7 Qb5 69. Kh6 { Accuracy: White = 87%, Black = 54%.} 1-0 [Event "53rd Biel ACCENTUS Classical 2020"] [Site "Biel"] [Date "2020.07.22"] [Round "2.4"] [White "Naiditsch, Arkadij"] [Black "Harikrishna, Pentala"] [Result "1/2-1/2"] [ECO "B48"] [WhiteElo "2626"] [BlackElo "2719"] [Annotator "ChessBase"] [PlyCount "87"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "40/6000+30:20/3000+30:900+30"] 1. e4 {[%emt 0:09:34]} c5 {[%emt 0:09:45]} 2. Nf3 {[%emt 0:00:08]} e6 {[%emt 0: 00:05]} 3. d4 {[%emt 0:00:10]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:07]} Nc6 {[%emt 0:00:11]} 5. Nc3 {[%emt 0:00:10]} Qc7 {[%emt 0:00:14]} 6. Be3 { [%emt 0:00:31]} a6 {[%emt 0:00:11]} 7. a3 {[%emt 0:01:04]} b5 {[%emt 0:01:06]} 8. Nxc6 {[%emt 0:06:07]} Qxc6 {[%emt 0:00:34]} 9. Qd4 {[%emt 0:00:21]} Bb7 { [%emt 0:05:47]} 10. O-O-O {[%emt 0:01:24]} Rc8 {[%emt 0:02:23]} 11. Bd3 { [%emt 0:04:56]} Qc5 {[%emt 0:11:23]} 12. Rhe1 {[%emt 0:10:54]} Qxd4 {[%emt 0: 02:12]} 13. Bxd4 {[%emt 0:00:06]} Ne7 {[%emt 0:00:29]} 14. f4 {[%emt 0:10:11]} b4 {[%emt 0:12:12]} 15. axb4 {[%emt 0:06:07]} Nc6 {[%emt 0:02:15]} 16. Bf1 { [%emt 0:01:12]} Nxb4 {[%emt 0:01:29]} 17. Kb1 {[%emt 0:05:34]} Rg8 {[%emt 0:09: 23]} 18. h4 {[%emt 0:05:08]} h6 {[%emt 0:03:40]} 19. h5 {[%emt 0:05:06]} Be7 { [%emt 0:06:48]} 20. Re3 {[%emt 0:05:58]} Bh4 {[%emt 0:02:48]} 21. Rh3 {[%emt 0: 03:15]} Bf6 {[%emt 0:01:51]} 22. Rg3 {[%emt 0:02:55]} Bxd4 {[%emt 0:00:50]} 23. Rxd4 {[%emt 0:00:07]} Nc6 {[%emt 0:00:43]} 24. Ra4 {[%emt 0:07:15]} Ke7 { [%emt 0:08:03]} 25. Bxa6 {[%emt 0:00:27]} Bxa6 {[%emt 0:00:08]} 26. Rxa6 { [%emt 0:00:04]} g6 {[%emt 0:00:09]} 27. hxg6 {[%emt 0:03:23]} Rxg6 {[%emt 0:00: 11]} 28. Rxg6 {[%emt 0:00:40]} fxg6 {[%emt 0:00:09]} 29. Kc1 {[%emt 0:05:11]} Rf8 {[%emt 0:10:27]} 30. Ne2 {[%emt 0:00:12]} e5 {[%emt 0:00:17]} 31. g3 { [%emt 0:02:00]} exf4 {[%emt 0:02:21]} 32. Nxf4 {[%emt 0:01:24]} Kf7 {[%emt 0: 00:08]} 33. b4 {[%emt 0:10:05]} Nxb4 {[%emt 0:02:36]} 34. Rxg6 {[%emt 0:02:52]} Rc8 {[%emt 0:01:02]} 35. Rxh6 {[%emt 0:00:47]} Rxc2+ {[%emt 0:00:41]} 36. Kd1 { [%emt 0:00:03]} Rc4 {[%emt 0:01:23]} 37. e5 {[%emt 0:00:41]} Rd4+ {[%emt 0:01: 41]} 38. Ke2 {[%emt 0:00:08]} Re4+ {[%emt 0:00:28]} 39. Kf3 {[%emt 0:00:05]} Rxe5 {[%emt 0:00:48]} 40. Rh7+ {[%emt 0:00:04]} Ke8 {[%emt 0:00:50]} 41. Rh8+ { [%emt 0:51:37]} Kf7 {[%emt 0:50:10]} 42. Rh7+ {[%emt 0:00:55]} Ke8 {[%emt 0:00: 06]} 43. Rh8+ {[%emt 0:00:25]} Kf7 {[%emt 0:00:05]} 44. Rh7+ {[%emt 0:00:06]} 1/2-1/2