CohenChessClub.com

[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/iDla84Vx"] [Date "2022.08.12"] [White "Nikolai"] [Black "Sasha"] [Result "1/2-1/2"] [UTCDate "2022.08.12"] [UTCTime "20:03:11"] [WhiteElo "1170"] [BlackElo "1383"] [WhiteRatingDiff "+4"] [BlackRatingDiff "-3"] [BlackTitle "IM🧁"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D02"] [Opening "Queen's Pawn Game: Chigorin Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nf3 Nc6?! { (0.34 → 0.88) Inaccuracy. Nf6 was best. } { D02 Queen's Pawn Game: Chigorin Variation } (2... Nf6 3. c4 dxc4 4. e3 a6 5. Bxc4 e6 6. O-O b5 7. Be2) 3. Bf4 Nf6 4. e3 Bf5 5. c3?! { (0.92 → 0.21) Inaccuracy. Bb5 was best. } (5. Bb5 e6 6. Ne5 a6 7. Ba4 Bd6 8. Nxc6 Qd7 9. c4 bxc6 10. Be5 Ng4 11. cxd5 exd5) 5... e6 6. Nbd2 Bd6 7. e4?? { (0.25 → -2.42) Blunder. Bg3 was best. } (7. Bg3) 7... dxe4 8. Nh4?? { (-2.45 → -9.98) Blunder. Ne5 was best. } (8. Ne5) 8... e3?? { (-9.98 → 0.35) Blunder. Bxf4 was best. } (8... Bxf4 9. Bb5) 9. fxe3?! { (0.35 → -0.27) Inaccuracy. Bxe3 was best. } (9. Bxe3 Bg4 10. Nhf3 Ne7 11. Nc4 O-O 12. h3 Bh5 13. Be2 Ned5 14. Bc1 c5 15. Nxd6 Qxd6) 9... Bg4 10. Be2? { (-0.43 → -1.50) Mistake. Nhf3 was best. } (10. Nhf3 Nd5) 10... Bxe2?? { (-1.50 → 0.24) Blunder. Bxf4 was best. } (10... Bxf4) 11. Qxe2 O-O 12. Bxd6 cxd6 13. O-O h6 14. e4 g5? { (0.07 → 1.44) Mistake. Rb8 was best. } (14... Rb8 15. a4) 15. Nhf3 g4?! { (1.42 → 2.25) Inaccuracy. Nh5 was best. } (15... Nh5 16. Rae1 g4 17. Qe3 Kh7 18. d5 Ne5 19. Nxe5 dxe5 20. Rd1 Rc8 21. g3 Ng7 22. Qxa7) 16. Ne1 e5? { (1.90 → 3.87) Mistake. h5 was best. } (16... h5) 17. dxe5? { (3.87 → 2.41) Mistake. d5 was best. } (17. d5 Nb8) 17... dxe5? { (2.41 → 4.04) Mistake. Nxe5 was best. } (17... Nxe5 18. Nc2) 18. Nd3 b6?! { (3.73 → 5.25) Inaccuracy. Rc8 was best. } (18... Rc8 19. Rf2) 19. Qf2?? { (5.25 → 0.00) Blunder. Nc4 was best. } (19. Nc4 Kh8) 19... Nd7?? { (0.00 → 3.26) Blunder. Qxd3 was best. } (19... Qxd3 20. Qxf6 Qxd2 21. Qxc6 Rad8 22. Rf6 Qe3+ 23. Kh1 Qe2 24. Raf1 Rd1 25. Rg6+ Kh7 26. Rxh6+) 20. Nb3? { (3.26 → 1.74) Mistake. Nc4 was best. } (20. Nc4) 20... a5? { (1.74 → 3.31) Mistake. Qg5 was best. } (20... Qg5 21. Nd2 Ne7 22. Nc4 f5 23. Ndxe5 Nxe5 24. Nxe5 f4 25. Nd7 Rf7 26. Rad1 h5 27. Qd4) 21. Nd2?! { (3.31 → 2.24) Inaccuracy. Qf5 was best. } (21. Qf5 g3 22. Qg4+ Kh8 23. Qxg3 Qg5 24. Qh3 f5 25. Nf2 Nf6 26. Qxf5 Qxf5 27. exf5 a4) 21... Nc5?? { (2.24 → 5.45) Blunder. Qg5 was best. } (21... Qg5 22. Nc4) 22. Nxc5 bxc5 23. h3?? { (5.47 → 1.25) Blunder. Nc4 was best. } (23. Nc4 Rb8) 23... gxh3 24. gxh3 Qg5+ 25. Qg2?! { (1.47 → 0.57) Inaccuracy. Kh2 was best. } (25. Kh2 Qf4+ 26. Qg3+ Qxg3+ 27. Kxg3 Ne7 28. Nc4 Ng6 29. Rad1 Rad8 30. a4 Kg7 31. Rxd8 Rxd8) 25... Qxg2+?! { (0.57 → 1.37) Inaccuracy. Ne7 was best. } (25... Ne7) 26. Kxg2 Ne7 27. Nf3? { (1.29 → -0.15) Mistake. Rad1 was best. } (27. Rad1 f5) 27... Ng6 28. b3?! { (-0.16 → -0.71) Inaccuracy. Nd2 was best. } (28. Nd2) 28... Rfe8 29. b4?? { (-0.35 → -3.29) Blunder. Kf2 was best. } (29. Kf2 a4 30. Rg1 Reb8 31. Nxe5 axb3 32. Nxg6 fxg6 33. axb3 Rxa1 34. Rxa1 Rxb3 35. Rc1 Rb2+) 29... Nf4+?? { (-3.29 → -0.52) Blunder. axb4 was best. } (29... axb4 30. cxb4) 30. Kh2 cxb4 31. cxb4 axb4 32. Nxe5 Rxe5 33. Rxf4 Rc5 34. Rb1?? { (0.00 → -2.17) Blunder. Rg1+ was best. } (34. Rg1+ Rg5 35. Rf2 Rxg1 36. Kxg1 Kf8 37. Rb2 Ra4 38. Kf2 Ke7 39. Ke3 Ke6 40. Kf4 Kf6) 34... Rb8?? { (-2.17 → -0.03) Blunder. Rxa2+ was best. } (34... Rxa2+) 35. Ra1 Rc2+ 36. Kg3 Rc3+ 37. Kg4 Rb5 38. a4?? { (0.00 → -3.63) Blunder. Rb1 was best. } (38. Rb1 Kg7 39. Kh4 Ra3 40. e5 Rxe5 41. Rbxb4 Rea5 42. Rb7 R3a4 43. Rxf7+ Kg6 44. Rf6+ Kh7) 38... Rg5+?? { (-3.63 → -0.08) Blunder. bxa3 was best. } (38... bxa3) 39. Kh4 b3 40. Rb1 Rd3 41. a5? { (-0.06 → -1.54) Mistake. Rg4 was best. } (41. Rg4 f6 42. a5 Kf7 43. a6 Ra5 44. Rg3 Rd4 45. Rbxb3 Rxe4+ 46. Rg4 f5 47. Rxe4 fxe4) 41... Rxa5 42. Rff1?? { (-1.98 → -4.63) Blunder. Rc1 was best. } (42. Rc1) 42... Kg7 43. e5?? { (-4.25 → Mate in 3) Checkmate is now unavoidable. Rg1+ was best. } (43. Rg1+) 43... Re3?? { (Mate in 3 → -6.01) Lost forced checkmate sequence. Ra4+ was best. } (43... Ra4+ 44. Rf4 Rxf4+ 45. Kh5 Rxh3#) 44. Rfe1?? { (-6.01 → Mate in 2) Checkmate is now unavoidable. Rg1+ was best. } (44. Rg1+ Kf8) 44... Rexe5?? { (Mate in 2 → -0.11) Lost forced checkmate sequence. Ra4+ was best. } (44... Ra4+ 45. Kh5 Rxh3#) 45. Rxe5 Rxe5 46. Rxb3 Re4+ 47. Kh5 Re5+ 48. Kg4 Rg5+ 49. Kh4 Kg6 50. Rf3 Rh5+ 51. Kg3 Rg5+ 52. Kh4 Rh5+ 53. Kg3 f6 54. h4 Rb5 55. Kh3 h5 56. Rg3+ Kf5 57. Rg8 Rb6 58. Rh8 Kg6 59. Rg8+ Kh6 60. Rg2 Rb3+ 61. Rg3?? { (-0.16 → -57.44) Blunder. Kh2 was best. } (61. Kh2 Rf3 62. Rg1 Ra3 63. Rg8 Ra4 64. Kh3 f5 65. Rb8 Kg7 66. Rb7+ Kf6 67. Rb5 Ke6) 61... Rxg3+ 62. Kxg3 Kg6 63. Kh3 f5 64. Kg3 Kf6 65. Kf4 Kg6?? { (-59.09 → 0.00) Blunder. Ke6 was best. } (65... Ke6) 66. Ke5 f4 67. Kxf4 Kh6 68. Kg3 Kg6 69. Kf4 Kh6 70. Kg3 Kg6 71. Kf4 { White offers draw } { The game is a draw. } 1/2-1/2