CohenChessClub.com

[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/H7uuIoxY"] [Date "2023.09.30"] [White "Sasha"] [Black "Nikolai"] [Result "1/2-1/2"] [UTCDate "2023.09.30"] [UTCTime "17:07:40"] [WhiteElo "1492"] [BlackElo "1090"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+8"] [WhiteTitle "IM🧁"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D02"] [Opening "Queen's Pawn Game: London System"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nf3 Nf6 3. Bf4 { D02 Queen's Pawn Game: London System } Nc6 4. e3 e6 5. c3 Be7 6. Nbd2 Bd7 7. Bb5 O-O 8. Bxc6?! { (0.59 → -0.39) Inaccuracy. Bd3 was best. } (8. Bd3 Nh5 9. O-O Nxf4 10. exf4 a5 11. Re1 a4 12. Qe2 Bd6 13. g3 Ne7 14. Ne5 Be8) 8... Bxc6 9. Bg5 Ne4 { Black offers draw } 10. Nxe4 dxe4 11. Bxe7 Qxe7 12. Nd2 h6 13. O-O Qd7?? { (-0.34 → 1.37) Blunder. e5 was best. } (13... e5 14. Qc2 exd4 15. cxd4 Bd5 16. Nb1 c6 17. Nc3 Rad8 18. Rac1 f5 19. Nxd5 Rxd5 20. Qb3) 14. Nc4? { (1.37 → 0.15) Mistake. Qc2 was best. } (14. Qc2 f5 15. Nc4 a5 16. Ne5 Qd6 17. a4 Bd5 18. c4 Bc6 19. Qc3 Rfd8 20. Rfb1 Qe7) 14... Ba4? { (0.15 → 1.49) Mistake. Qd5 was best. } (14... Qd5 15. Ne5 Be8 16. Qg4 f6 17. Ng6 Bxg6 18. Qxg6 f5 19. Qg3 Rf7 20. Rfc1 Raf8 21. b3) 15. b3?! { (1.49 → 0.46) Inaccuracy. Ne5 was best. } (15. Ne5) 15... Bb5 16. Ne5 Qe7 17. c4 Bd7?? { (0.00 → 2.63) Blunder. Be8 was best. } (17... Be8 18. Qg4 f6 19. Ng6 Bxg6 20. Qxg6 f5 21. Qg3 Rad8 22. Qe5 b6 23. Rac1 c5 24. Rcd1) 18. Nxd7?? { (2.63 → 0.59) Blunder. Qc2 was best. } (18. Qc2 Rfd8 19. Qxe4 Rab8 20. Rfd1 Be8 21. Nd3 b6 22. Rd2 c5 23. d5 Rd6 24. Nf4 Rbd8) 18... Qxd7 19. Re1 f5 20. d5?! { (0.27 → -0.33) Inaccuracy. b4 was best. } (20. b4) 20... exd5 21. cxd5 Rfd8 22. f3? { (-0.31 → -1.81) Mistake. Qc2 was best. } (22. Qc2 Qxd5 23. Qxc7 Rac8 24. Qf4 g5 25. Qg3 Kf7 26. h4 Qd6 27. Qxd6 Rxd6 28. hxg5 hxg5) 22... exf3 23. Qxf3 Qxd5 24. Qxd5+ Rxd5 25. Rad1?! { (-2.09 → -3.40) Inaccuracy. e4 was best. } (25. e4 fxe4 26. Rxe4 Rad8 27. Rae1 Rd1 28. Kf2 R8d2+ 29. R1e2 Rxe2+ 30. Kxe2 Rc1 31. Ra4 a6) 25... Rxd1?? { (-3.40 → -1.07) Blunder. Rad8 was best. } (25... Rad8) 26. Rxd1 g6? { (-1.12 → -0.01) Mistake. Rf8 was best. } (26... Rf8 27. Kf2) 27. Ra1?? { (-0.01 → -3.15) Blunder. Rd7 was best. } (27. Rd7 Rc8 28. a4 a5 29. h4 h5 30. Kf2 c5 31. Rxb7 c4 32. bxc4 Rxc4 33. g3 Rxa4) 27... Kg7?! { (-3.15 → -2.16) Inaccuracy. Rd8 was best. } (27... Rd8 28. b4) 28. Kf2?! { (-2.16 → -3.05) Inaccuracy. Rc1 was best. } (28. Rc1 Rc8) 28... Kf6 29. h3 Kg5?? { (-3.15 → -0.86) Blunder. Rd8 was best. } (29... Rd8 30. Rc1 Rd2+ 31. Kf3 c6 32. a4 Ke5 33. Rc3 h5 34. b4 Ra2 35. a5 Ke6 36. g4) 30. Kf3? { (-0.86 → -2.27) Mistake. Rd1 was best. } (30. Rd1 Rc8 31. a4 a6 32. a5 b5 33. axb6 cxb6 34. Rd6 b5 35. Rxa6 Rc3 36. b4 Rc4) 30... h5? { (-2.27 → -0.94) Mistake. Kf6 was best. } (30... Kf6) 31. g3? { (-0.94 → -2.19) Mistake. Rd1 was best. } (31. Rd1 h4) 31... Kh6? { (-2.19 → -0.60) Mistake. Rd8 was best. } (31... Rd8 32. Rc1 c6 33. a4 a5 34. Rc4 Kf6 35. b4 Rd5 36. bxa5 Rxa5 37. e4 fxe4+ 38. Kxe4) 32. h4?! { (-0.60 → -1.50) Inaccuracy. Rd1 was best. } (32. Rd1 g5 33. h4 g4+ 34. Ke2 Rg8 35. Rd7 Rg7 36. Rd8 Kg6 37. Re8 Rf7 38. Rg8+ Kh7) 32... g5? { (-1.50 → -0.05) Mistake. Rd8 was best. } (32... Rd8 33. Rc1) 33. hxg5+ Kxg5 34. Rc1 c6 35. Rc5? { (0.00 → -1.17) Mistake. Rd1 was best. } (35. Rd1 a5 36. Rd7 b5 37. Rg7+ Kf6 38. Rh7 Kg6 39. Rc7 Ra6 40. a4 Kf6 41. Rh7 Rb6) 35... Rc8? { (-1.17 → -0.10) Mistake. Re8 was best. } (35... Re8 36. Ra5 a6 37. Rc5 Re4 38. Rc2 Re5 39. Rc4 Ra5 40. Rb4 Rb5 41. Rc4 Re5 42. Rc1) 36. e4?! { (-0.10 → -0.75) Inaccuracy. Re5 was best. } (36. Re5) 36... Rf8 37. exf5?? { (-0.79 → -7.68) Blunder. Re5 was best. } (37. Re5 Kg6 38. Re6+ Rf6 39. Re8 fxe4+ 40. Kxe4 Rf7 41. Ra8 Kg5 42. Rg8+ Kh6 43. Rb8 a6) 37... Rxf5+ 38. Rxf5+ Kxf5 39. Ke3 Kg4 40. Kf2 b5 41. Ke3 Kxg3 42. Kd4 h4 43. Kc5 h3 44. Kxc6 h2 45. Kxb5 h1=Q 46. Kc4 Qc6+ 47. Kb4 Qc2?! { (Mate in 20 → -72.45) Lost forced checkmate sequence. Qd6+ was best. } (47... Qd6+ 48. Kc3 Qa3 49. Kc4 Qxa2 50. Kb4 a5+ 51. Kc3 Qa3 52. Kc2 Qb4 53. Kd3 Qxb3+ 54. Ke4) 48. a4?! { (-72.45 → Mate in 15) Checkmate is now unavoidable. a3 was best. } (48. a3 a5+) 48... Qf5 49. Kc4 a5 50. b4 axb4 51. Kxb4 Qc8 52. a5?! { (-57.09 → Mate in 10) Checkmate is now unavoidable. Kb5 was best. } (52. Kb5 Qc7) 52... Qb8+ 53. Ka4 Qa7 54. Kb5 Qb7+ 55. Ka4 Qa6 56. Kb4 Qb7+ 57. Kc5 Qa6 58. Kb4 Qb7+ 59. Ka4 Qa7 60. Kb5 Qb7+?? { (Mate in 9 → 0.00) Lost forced checkmate sequence. Kf4 was best. } (60... Kf4 61. Ka4 Ke4 62. Kb5 Kd5 63. Kb4 Kd4 64. Kb3 Qxa5 65. Kb2 Kd3 66. Kb3 Qb6+ 67. Ka3) 61. Ka4 { The game is a draw. } 1/2-1/2