CohenChessClub.com

[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/COdoErIR"] [Date "2022.03.21"] [White "Collin"] [Black "ChessMasterPlayer"] [Result "0-1"] [UTCDate "2022.03.21"] [UTCTime "23:11:12"] [WhiteElo "1106"] [BlackElo "1504"] [WhiteRatingDiff "-41"] [BlackRatingDiff "+4"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B20"] [Opening "Sicilian Defense: Staunton-Cochrane Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. c4 { B20 Sicilian Defense: Staunton-Cochrane Variation } Nc6 3. d3 Nf6 4. f3?! { (-0.03 → -0.64) Inaccuracy. g3 was best. } (4. g3 g6 5. Nc3 d6 6. Bg2 Bg7 7. Nge2 O-O 8. h3 Rb8 9. O-O a6 10. a4 Ne8) 4... g6 5. g3 Bg7 6. h3?! { (-0.54 → -1.28) Inaccuracy. Nc3 was best. } (6. Nc3 d6 7. Nge2 a6 8. f4 Bg4 9. Bg2 O-O 10. h3 Bxe2 11. Nxe2 Rb8 12. O-O Nd7) 6... O-O 7. b4?? { (-1.03 → -8.67) Blunder. Bg2 was best. } (7. Bg2 b5) 7... cxb4?! { (-8.67 → -5.76) Inaccuracy. Nh5 was best. } (7... Nh5 8. g4 Ng3 9. Rh2 Bxa1 10. b5 Nd4 11. Kf2 Nxf1 12. Kxf1 a6 13. b6 d6 14. f4) 8. a3?! { (-5.76 → -8.37) Inaccuracy. Bb2 was best. } (8. Bb2 Nxe4) 8... bxa3?? { (-8.37 → -2.75) Blunder. Nxe4 was best. } (8... Nxe4) 9. Nxa3?? { (-2.75 → -7.58) Blunder. Rxa3 was best. } (9. Rxa3 d6) 9... e5?? { (-7.58 → -2.14) Blunder. Nxe4 was best. } (9... Nxe4 10. dxe4) 10. f4?? { (-2.14 → -7.28) Blunder. Ne2 was best. } (10. Ne2 Rb8 11. Bg2 a6 12. f4 d6 13. Rb1 exf4 14. gxf4 Nh5 15. O-O b5 16. cxb5 axb5) 10... exf4 11. gxf4 Qe7?! { (-7.50 → -5.48) Inaccuracy. Nxe4 was best. } (11... Nxe4 12. dxe4) 12. h4?! { (-5.48 → -10.19) Inaccuracy. Nc2 was best. } (12. Nc2) 12... Rb8?! { (-10.19 → -5.33) Inaccuracy. Nxe4 was best. } (12... Nxe4 13. dxe4) 13. Bb2?! { (-5.33 → -8.65) Inaccuracy. Nf3 was best. } (13. Nf3 Nh5) 13... Bh6?? { (-8.65 → -3.06) Blunder. Nxe4 was best. } (13... Nxe4 14. Bxg7) 14. Ra2?? { (-3.06 → -6.61) Blunder. Ne2 was best. } (14. Ne2) 14... Bxf4 15. d4?! { (-5.49 → -12.23) Inaccuracy. Ne2 was best. } (15. Ne2) 15... Qxe4+ 16. Kf2?! { (-11.88 → Mate in 2) Checkmate is now unavoidable. Ne2 was best. } (16. Ne2 Qxh1) 16... Qxh1?! { (Mate in 2 → -18.42) Lost forced checkmate sequence. Qe3+ was best. } (16... Qe3+ 17. Kg2 Qg3#) 17. Ke1?! { (-18.42 → Mate in 11) Checkmate is now unavoidable. Bg2 was best. } (17. Bg2 Qxh4+ 18. Kf1 Ng4 19. Qxg4 Qxg4 20. Ra1 Qf5 21. Bf3 Be3 22. d5 Bxg1 23. Kxg1 Qxf3) 17... Qxg1?! { (Mate in 11 → -19.82) Lost forced checkmate sequence. Qxh4+ was best. } (17... Qxh4+ 18. Ke2 Qg4+ 19. Nf3 Re8+ 20. Kd3 Qf5+ 21. Kc3 Qa5+ 22. Kd3 Re3+ 23. Kc2 Qa4+ 24. Kd2) 18. Bc3?! { (-19.82 → Mate in 9) Checkmate is now unavoidable. Qf3 was best. } (18. Qf3 Nb4) 18... h5?! { (Mate in 9 → -16.52) Lost forced checkmate sequence. Qg3+ was best. } (18... Qg3+ 19. Rf2 Qxc3+ 20. Qd2 Bxd2+ 21. Rxd2 Re8+ 22. Be2 Qc1+ 23. Rd1 Qe3 24. Kf1 Ne4 25. Kg2) 19. Rf2 Bg3 20. Kd2 Qxf2+ 21. Kc1 Bxh4 22. Nc2 Ne4 23. Nb4?! { (-22.83 → Mate in 8) Checkmate is now unavoidable. Kb2 was best. } (23. Kb2 Bf6) 23... Nxc3?! { (Mate in 8 → -34.43) Lost forced checkmate sequence. Bg5+ was best. } (23... Bg5+ 24. Bd2 Bxd2+ 25. Kb1 Nc3+ 26. Ka1 Nxb4 27. Qc2 Na4 28. Be2 Qxe2 29. Qxa4 Bc3+ 30. Kb1) 24. Qb3?! { (-34.43 → Mate in 1) Checkmate is now unavoidable. Qc2 was best. } (24. Qc2 Nxb4) 24... Qxf1+ 25. Kc2 Nxb4+ 26. Qxb4 b6?! { (Mate in 5 → -65.85) Lost forced checkmate sequence. Qd1+ was best. } (26... Qd1+ 27. Kxc3 Be1+ 28. Kb2 Bxb4 29. d5 Re8 30. c5 Re2#) 27. Kb3?! { (-65.85 → Mate in 2) Checkmate is now unavoidable. Qxc3 was best. } (27. Qxc3 f6) 27... Ne4?! { (Mate in 2 → -94.78) Lost forced checkmate sequence. Qb1+ was best. } (27... Qb1+ 28. Kxc3 Be1#) 28. Ka3?! { (-94.78 → Mate in 7) Checkmate is now unavoidable. d5 was best. } (28. d5 Qd3+) 28... Be1?! { (Mate in 7 → -89.51) Lost forced checkmate sequence. Be7 was best. } (28... Be7 29. c5 bxc5 30. Qxb8 Qa1+ 31. Kb3 c4+ 32. Kxc4 Qc3+ 33. Kd5 Nf6+ 34. Ke5 Qg3#) 29. Qa4?! { (-89.51 → Mate in 22) Checkmate is now unavoidable. Qb1 was best. } (29. Qb1 Qf3+) 29... d6 30. c5 dxc5 31. dxc5 Nxc5 32. Qb4 Nd3 33. Qa4 Rd8 34. Qxa7 Rb7 35. Qa4 Bd7 36. Qb3 Nc5 37. Qb4 Bxb4+ 38. Kxb4 Qb5+ 39. Kc3 Qb3+ 40. Kd4 Qd3+ 41. Ke5 Qf5+ 42. Kd4 Qe4+ 43. Kc3 Qd3+ 44. Kb4 Qb3# { Black wins by checkmate. } 0-1