CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/W6chH7Gk"] [Date "2023.09.03"] [White "Sasha"] [Black "Andy1"] [Result "0-1"] [UTCDate "2023.09.03"] [UTCTime "17:36:06"] [WhiteElo "1564"] [BlackElo "1854"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+4"] [WhiteTitle "IM🧁"] [BlackTitle "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 } c5 4. dxc5 e6 5. Bxb8?! { (0.00 → -0.87) Inaccuracy. e3 was best. } (5. e3 Bxc5 6. Bd3 O-O 7. O-O Nbd7 8. c4 dxc4 9. Bxc4 b6) 5... Rxb8 6. e3 Bxc5 7. c3?! { (-1.13 → -1.75) Inaccuracy. c4 was best. } (7. c4 O-O) 7... O-O 8. Nbd2 Bd7?! { (-1.93 → -1.11) Inaccuracy. Qe7 was best. } (8... Qe7 9. Be2 e5 10. O-O h5 11. Qc2 g6 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Bf5 15. Qxe5) 9. Bd3 Qb6?! { (-1.70 → -1.09) Inaccuracy. Qe7 was best. } (9... Qe7 10. Ne5) 10. b3?! { (-1.09 → -1.69) Inaccuracy. Qb3 was best. } (10. Qb3 Qa5) 10... Bb5?! { (-1.69 → -0.99) Inaccuracy. Rbc8 was best. } (10... Rbc8 11. a4) 11. Bxb5 Qxb5 12. c4 Qb6 13. cxd5?! { (-0.85 → -1.43) Inaccuracy. O-O was best. } (13. O-O Rfd8 14. Qb1 Be7 15. a4 Rbc8 16. Rc1 Bb4 17. Ra2 a6 18. Rac2 Ne4 19. Nxe4 dxe4) 13... exd5?! { (-1.43 → -0.42) Inaccuracy. Nxd5 was best. } (13... Nxd5 14. O-O Rbc8 15. Qe2 Be7 16. Nc4 Qc7 17. a4 a6 18. a5 Bb4 19. g3 Nc3 20. Qc2) 14. Ne5?? { (-0.42 → -4.07) Blunder. O-O was best. } (14. O-O Ng4) 14... Bb4 15. O-O Rbc8?? { (-4.15 → -0.08) Blunder. Bc3 was best. } (15... Bc3) 16. Ndf3 Rfe8 17. Nd3 Bd6 18. Nb2 Ne4 19. Qxd5 Nc3 20. Qd2 Red8 21. Nc4?? { (0.49 → -6.74) Blunder. Qc2 was best. } (21. Qc2 Bb4 22. Nc4 Qg6 23. Qxg6 hxg6 24. a4 Rd3 25. Nd4 Bc5 26. Rfe1 f6 27. Ne6 g5) 21... Bxh2+?? { (-6.74 → -1.08) Blunder. Rxc4 was best. } (21... Rxc4 22. Qxd6) 22. Nxh2 Rxd2 23. Nxb6 axb6 24. Nf3 Rd6? { (-0.79 → 0.32) Mistake. Rxa2 was best. } (24... Rxa2 25. Rfd1 Ra5 26. Rxa5 bxa5 27. Rd7 Ne4 28. Rxb7 h6 29. Ne5 Rc1+ 30. Kh2 Nxf2 31. Nxf7) 25. Rac1?? { (0.32 → -8.53) Blunder. g3 was best. } (25. g3 g6) 25... Ne2+ 26. Kh1 Rh6+ 27. Nh2 Rxc1 28. Rxc1 Nxc1 29. Kg1 Nxa2 30. Ng4 Rg6 31. Ne5 Re6 32. Nd7 f6 33. Kf1 Rd6 34. Nb8 Kf7 35. Ke2 Ke7 36. e4 Kd8 37. Nc6+ bxc6 38. Ke3 Re6 39. Kd4 Nb4 40. Kc4 c5 41. Kb5?! { (-15.62 → Mate in 8) Checkmate is now unavoidable. Kc3 was best. } (41. Kc3 Rxe4) 41... Rxe4?! { (Mate in 8 → -58.11) Lost forced checkmate sequence. Kc7 was best. } (41... Kc7 42. e5 Rxe5 43. f3 Re3 44. g4 Re2 45. f4 Kb7 46. g5 Re4 47. gxf6 Nc2 48. fxg7) 42. Kxb6 Re2 43. Kxc5 Rxf2 44. Kxb4 Rxg2 45. Ka4 f5 46. b4?! { (-62.74 → Mate in 9) Checkmate is now unavoidable. Kb5 was best. } (46. Kb5 Kc7) 46... Rb2?! { (Mate in 9 → -71.88) Lost forced checkmate sequence. f4 was best. } (46... f4 47. Kb3 f3 48. Kc4 f2 49. Kc5 f1=Q 50. Kd5 Rg5+ 51. Ke4 Rg4+ 52. Ke3 Qh3+ 53. Kd2) 47. b5?! { (-71.88 → Mate in 8) Checkmate is now unavoidable. Kb5 was best. } (47. Kb5 g5) 47... f4 48. Ka5 f3 49. b6 f2 50. Ka6 f1=Q+ 51. Ka7 Qb5 52. b7 Qxb7# { Black wins by checkmate. } 0-1