CohenChessClub.com

[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/iWN7IGED"] [Date "2023.01.31"] [White "Otto"] [Black "ChessMasterPlayer"] [Result "0-1"] [UTCDate "2023.01.31"] [UTCTime "00:13:20"] [WhiteElo "1179"] [BlackElo "1337"] [WhiteRatingDiff "-32"] [BlackRatingDiff "+4"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B30"] [Opening "Sicilian Defense: Old Sicilian"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. Nf3 Nc6 { B30 Sicilian Defense: Old Sicilian } 3. Nc3 Nf6 4. d3? { (0.47 → -0.58) Mistake. Bb5 was best. } (4. Bb5 Qc7) 4... g6?! { (-0.58 → 0.01) Inaccuracy. d5 was best. } (4... d5 5. exd5 Nxd5 6. d4 cxd4 7. Nxd4 Nxc3 8. bxc3 Qa5 9. Bd2 Bd7 10. Bb5 g6 11. Bxc6) 5. Be2 Bg7 6. O-O?! { (-0.04 → -0.57) Inaccuracy. Nd5 was best. } (6. Nd5 d6 7. c3 O-O 8. O-O Nxd5 9. exd5 Ne5 10. a4 b6 11. Nxe5 dxe5 12. a5 b5) 6... O-O 7. Bg5?! { (-0.12 → -0.72) Inaccuracy. Nd5 was best. } (7. Nd5 Ne8 8. c3 e6 9. Ne3 d5 10. a4 f5 11. Re1 f4 12. exd5 exd5 13. Nc2 Nd6) 7... e6?? { (-0.72 → 4.87) Blunder. h6 was best. } (7... h6 8. Be3 d6 9. h3 e5 10. Qd2 Kh7 11. Nh2 Be6 12. f4 Nd4 13. Rae1 b5 14. Bd1) 8. Nb5?? { (4.87 → -0.43) Blunder. e5 was best. } (8. e5 Nxe5) 8... d5?? { (-0.43 → 4.49) Blunder. d6 was best. } (8... d6 9. Nd2 h6 10. Bh4 g5 11. Bg3 e5 12. Nc3 Rb8 13. a4 a6 14. Nc4 b5 15. axb5) 9. e5 Ng4?! { (4.68 → 7.23) Inaccuracy. Nxe5 was best. } (9... Nxe5 10. Nxe5) 10. Bxd8 Rxd8 11. Nc7 Rb8 12. h3 Ngxe5 13. Nxe5 Bxe5 14. d4? { (5.83 → 3.11) Mistake. Nb5 was best. } (14. Nb5 Bxb2) 14... Bxc7 15. dxc5 b6 16. Bg4?? { (3.44 → 0.90) Blunder. cxb6 was best. } (16. cxb6 Rxb6 17. Qd2 e5 18. c3 e4 19. Rfd1 d4 20. cxd4 Nxd4 21. Rac1 Rbd6 22. Rxc7 Nxe2+) 16... bxc5 17. f4?? { (0.94 → -0.74) Blunder. b3 was best. } (17. b3) 17... Rxb2 18. c4?! { (-0.68 → -1.43) Inaccuracy. c3 was best. } (18. c3 Ne7) 18... dxc4?! { (-1.43 → -0.87) Inaccuracy. Nd4 was best. } (18... Nd4) 19. Qc1?? { (-0.87 → -8.15) Blunder. Qa4 was best. } (19. Qa4) 19... Rb4?? { (-8.15 → -1.28) Blunder. Rdd2 was best. } (19... Rdd2 20. Bf3 Nd4 21. Rb1 Nxf3+ 22. Rxf3 Rxg2+ 23. Kf1 Rbc2 24. Qa3 Rh2 25. Kg1 Rcg2+ 26. Kf1) 20. a3 Rb5? { (-1.25 → -0.20) Mistake. Ra4 was best. } (20... Ra4 21. Bd1) 21. Qxc4?! { (-0.20 → -0.89) Inaccuracy. Be2 was best. } (21. Be2 Rb6) 21... Rb6?? { (-0.89 → 2.38) Blunder. Nd4 was best. } (21... Nd4 22. Rfb1) 22. Qxc5 Bd6 23. Qc4?? { (2.24 → -1.28) Blunder. Qf2 was best. } (23. Qf2 Ne7 24. Rfb1 Ra6 25. a4 Nd5 26. Rd1 Bc7 27. Kh1 Bb6 28. Qe1 Ra5 29. Bf3 Bb7) 23... Na5?? { (-1.28 → 2.95) Blunder. Ba6 was best. } (23... Ba6 24. Qc3) 24. Qa4 Nc6 25. Qa5?? { (3.24 → -11.45) Blunder. Rfd1 was best. } (25. Rfd1) 25... Nxa5 26. Rfc1 Nb3 27. Rcb1 Nxa1 28. Rxa1 Bxf4 29. Kf2 Rb2+ 30. Kf3?! { (-21.18 → Mate in 5) Checkmate is now unavoidable. Kg1 was best. } (30. Kg1 Bb7) 30... e5 31. Bxc8 Rxc8 32. Rd1 Ra2?! { (Mate in 4 → -63.46) Lost forced checkmate sequence. f5 was best. } (32... f5 33. Rd3 g5 34. Rd8+ Rxd8 35. g3 Rd3#) 33. Rd7?! { (-63.46 → Mate in 4) Checkmate is now unavoidable. Ke4 was best. } (33. Ke4 f5+) 33... Rxa3+ 34. Ke4 Rc4+ 35. Kd5 Raa4?! { (Mate in 5 → -68.17) Lost forced checkmate sequence. Rac3 was best. } (35... Rac3 36. Kd6 Rd4+ 37. Ke7 Bg5+ 38. Ke8 Rc8+ 39. Rd8 Rdxd8#) 36. Rd8+ Kg7 37. Kd6 e4+ 38. Ke7 e3 39. Rd3 e2 40. Rd1 exd1=Q { White resigns. } 0-1