CohenChessClub.com

[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/EGc9sEEF"] [Date "2023.01.24"] [White "Jacob1"] [Black "Oskar"] [Result "0-1"] [UTCDate "2023.01.24"] [UTCTime "15:22:58"] [WhiteElo "1228"] [BlackElo "1919"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+0"] [BlackTitle "GM🦃"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A04"] [Opening "Zukertort Opening: Black Mustang Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. Nf3 Nc6 { A04 Zukertort Opening: Black Mustang Defense } 2. Nc3?! { (0.79 → 0.06) Inaccuracy. d4 was best. } (2. d4 d5) 2... e5 3. e3?! { (0.23 → -0.39) Inaccuracy. d4 was best. } (3. d4 exd4) 3... Nf6 4. d4 e4 5. Nxe4?? { (-0.34 → -4.54) Blunder. Ne5 was best. } (5. Ne5 a6 6. Bd2 Ne7 7. Ng4 Nxg4 8. Qxg4 d5 9. Qh4 Be6 10. f3 f5 11. Be2 Ng8) 5... Nxe4 6. Bd3 Bb4+? { (-5.47 → -3.28) Mistake. d5 was best. } (6... d5 7. O-O) 7. c3 Nxc3 8. bxc3 Bxc3+ 9. Bd2 Bxa1 10. Ne5?? { (-3.31 → -8.54) Blunder. Qxa1 was best. } (10. Qxa1 d5) 10... Nxe5 11. dxe5 Bxe5 12. e4 d6 13. Bg5 Qxg5 14. g3 Bc3+ 15. Ke2 Bg4+ 16. f3 Bh3 17. f4 Qg4+ 18. Ke3 Qxd1 19. Be2?! { (-13.87 → Mate in 2) Checkmate is now unavoidable. Rxd1 was best. } (19. Rxd1 Ba5 20. Ra1 Be6 21. a4 f6 22. Kf3 O-O-O 23. f5 Bf7 24. h3 Be8 25. Bb5 c6) 19... Qxh1?! { (Mate in 2 → -26.94) Lost forced checkmate sequence. Bd4+ was best. } (19... Bd4+ 20. Kf3 Qxh1#) 20. Bh5?! { (-26.94 → Mate in 5) Checkmate is now unavoidable. Bb5+ was best. } (20. Bb5+ Bd7) 20... Qe1+ 21. Kf3 Qd1+ 22. Ke3 Bd4# { Black wins by checkmate. } 0-1