CohenChessClub.com

[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/CQ80YNCN"] [Date "2022.01.29"] [White "Sofia"] [Black "Mason2"] [Result "0-1"] [UTCDate "2022.01.29"] [UTCTime "18:08:11"] [WhiteElo "1178"] [BlackElo "1500"] [WhiteRatingDiff "-42"] [BlackRatingDiff "+118"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Modern Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 g6 { A40 Modern Defense } 2. d5?! { (0.79 → 0.13) Inaccuracy. e4 was best. } (2. e4 d6 3. Be3 Bg7 4. Nc3 Nf6 5. Qd2 O-O 6. Nf3 a6) 2... Bg7 3. c3?! { (-0.05 → -1.03) Inaccuracy. c4 was best. } (3. c4 Na6) 3... Nf6 4. Nh3 O-O 5. g4?? { (-0.65 → -2.86) Blunder. g3 was best. } (5. g3 c6 6. Nf4 d6 7. Bg2 cxd5 8. Nxd5 Nxd5 9. Qxd5 Nc6 10. Be3 Ne5 11. Na3 Bd7) 5... d6?? { (-2.86 → -1.10) Blunder. Nxg4 was best. } (5... Nxg4 6. e4 d6 7. Nf4 c6 8. h4 h5 9. Be2 cxd5 10. Nxd5 Nc6 11. f3 Nf6 12. Nxf6+) 6. c4?? { (-1.10 → -3.45) Blunder. g5 was best. } (6. g5 Nh5 7. Nf4 Nxf4 8. Bxf4 c6 9. Bg2 cxd5 10. Bxd5 Na6 11. h4 Nc7 12. Bg2 a5) 6... Nxg4 7. f3?! { (-3.58 → -4.87) Inaccuracy. Bg2 was best. } (7. Bg2 c6) 7... Nf6?! { (-4.87 → -3.25) Inaccuracy. Ne5 was best. } (7... Ne5 8. Nc3 Nxc4 9. Nf4 c6 10. h4 cxd5 11. Nfxd5 Nc6 12. h5 e6 13. Ne3 Nxe3 14. Bxe3) 8. Rg1?! { (-3.25 → -5.01) Inaccuracy. Nf4 was best. } (8. Nf4 e5 9. dxe6 fxe6 10. h4 e5 11. Nd5 c6 12. Nxf6+ Bxf6 13. h5 Bh4+ 14. Kd2 d5) 8... Nbd7?! { (-5.01 → -3.71) Inaccuracy. b5 was best. } (8... b5 9. cxb5) 9. c5?? { (-3.71 → -8.57) Blunder. e4 was best. } (9. e4 c6 10. Nc3 Qb6 11. Na4 Qc7 12. Nc3 Ne5 13. Nf4 Qa5 14. Kf2 cxd5 15. Ncxd5 Nxd5) 9... dxc5?! { (-8.57 → -5.39) Inaccuracy. Nxc5 was best. } (9... Nxc5) 10. e4 Bh8?! { (-5.30 → -3.70) Inaccuracy. Nb8 was best. } (10... Nb8 11. Nc3) 11. b3?? { (-3.70 → -8.60) Blunder. Nc3 was best. } (11. Nc3 Bg7) 11... Ne5 12. f4 Bxh3 13. fxe5 Bxf1 14. Rxf1 Ne8? { (-9.04 → -4.75) Mistake. Nxe4 was best. } (14... Nxe4 15. Qd3 Bxe5 16. Qxe4 Bxa1 17. Bh6 Qd6 18. Bf4 Qd7 19. h4 Rad8 20. Nd2 Bd4 21. h5) 15. h4? { (-4.75 → -9.06) Mistake. Bf4 was best. } (15. Bf4) 15... Bxe5 16. Nd2 Bxa1 17. Nb1 Bh8 18. Rf3 Qd6 19. Bf4 Qd7 20. e5 Rd8 21. a4 f6 22. a5 fxe5 23. Bxe5 Rxf3 24. Qxf3 Bxe5 25. Qd1?! { (-16.30 → Mate in 8) Checkmate is now unavoidable. h5 was best. } (25. h5 Qf5 26. Nd2 Qxh5 27. Qxh5 gxh5 28. Ke2 Rxd5 29. Nf1 Bc3 30. a6 bxa6 31. Ne3 Rd2+) 25... Bg3+ 26. Kf1 Bxh4?! { (Mate in 7 → -17.78) Lost forced checkmate sequence. Qf5+ was best. } (26... Qf5+ 27. Ke2 Qf2+ 28. Kd3 Rxd5+ 29. Kc3 Be5+ 30. Kc4 Rd4+ 31. Kxc5 Bd6+ 32. Kb5 a6#) 27. Nd2 Qxd5 28. Qb1?! { (-77.74 → Mate in 3) Checkmate is now unavoidable. Qg4 was best. } (28. Qg4 Qh1+) 28... Qxd2 29. Qd1 Qxd1+ 30. Kg2 Qg4+ 31. Kh2 Rd2+ 32. Kh1 Qg2# { Black wins by checkmate. } 0-1