FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/hamm1s7I"]
[Date "2026.05.05"]
[White "Mateo1"]
[Black "Vincent3"]
[Result "0-1"]
[UTCDate "2026.05.05"]
[UTCTime "14:03:05"]
[WhiteElo "777"]
[BlackElo "1296"]
[WhiteRatingDiff "-3"]
[BlackRatingDiff "+2"]
[BlackTitle "IM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "A00"]
[Opening "Zukertort Opening: Reversed Mexican Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. Nf3 d5 2. Nc3?! { (0.28 → -0.26) Inaccuracy. d4 was best. } { A00 Zukertort Opening: Reversed Mexican Defense } (2. d4 Nf6) 2... Nf6 3. g4?? { (-0.23 → -2.50) Blunder. d4 was best. } (3. d4) 3... Nc6? { (-2.50 → -1.12) Mistake. Bxg4 was best. } (3... Bxg4 4. Ne5 Bf5 5. d4 Nbd7 6. Bf4 g6 7. e3 Bg7 8. Bd3 Bxd3 9. Qxd3 c6 10. h4) 4. b4?? { (-1.12 → -3.95) Blunder. g5 was best. } (4. g5 Ne4 5. d4 h6 6. Bg2 Qd6 7. Qd3 Nb4 8. Qd1 Nxc3 9. bxc3 Nc6 10. Qd3 hxg5) 4... d4?? { (-3.95 → -1.46) Blunder. Bxg4 was best. } (4... Bxg4 5. Bg2 e6 6. a3 Ne7 7. Ne5 Bh5 8. d4 c6 9. O-O Ng6 10. Qd3 Bd6 11. f4) 5. Na4? { (-1.46 → -3.26) Mistake. b5 was best. } (5. b5 Na5 6. g5 dxc3 7. gxf6 gxf6 8. e4 Rg8 9. d4 b6 10. Be3 Qd6 11. Qd3 Bb7) 5... b5? { (-3.26 → -1.68) Mistake. Bxg4 was best. } (5... Bxg4 6. Bg2) 6. Nxd4?? { (-1.68 → -6.75) Blunder. g5 was best. } (6. g5 Nd7 7. Nb2 Bb7 8. a4 a6 9. c3 e6 10. Bg2 Nce5 11. Nh4 Bxg2 12. Nxg2 h6) 6... Nxd4 7. c3 Nc6? { (-7.41 → -4.10) Mistake. bxa4 was best. } (7... bxa4 8. Bg2 Rb8 9. cxd4 Qxd4 10. Rb1 Bd7 11. O-O Qxg4 12. f4 Bc6 13. e4 Qxd1 14. Rxd1) 8. d4? { (-4.10 → -7.69) Mistake. Nc5 was best. } (8. Nc5) 8... a5?! { (-7.69 → -4.65) Inaccuracy. bxa4 was best. } (8... bxa4 9. Bg2 Bb7 10. O-O Qd7 11. e4 Qxg4 12. f3 Qg6 13. Qxa4 Nd7 14. Kh1 e6 15. d5) 9. d5? { (-4.65 → -8.34) Mistake. Bg2 was best. } (9. Bg2 Nd5) 9... Nxd5 10. e4 bxa4?! { (-7.36 → -5.07) Inaccuracy. Ndxb4 was best. } (10... Ndxb4) 11. exd5 Ne5 12. f4?! { (-5.28 → -7.00) Inaccuracy. Bf4 was best. } (12. Bf4 Nxg4) 12... Ng6?! { (-7.00 → -4.87) Inaccuracy. Nxg4 was best. } (12... Nxg4) 13. f5 Ne5?! { (-4.72 → -3.11) Inaccuracy. e5 was best. } (13... e5) 14. f6?? { (-3.11 → -9.37) Blunder. Bf4 was best. } (14. Bf4) 14... gxf6 15. d6 Qxd6 16. b5 Qxd1+ 17. Kf2 Qf3+ 18. Ke1 Qxh1 19. b6?! { (-27.10 → Mate in 7) Checkmate is now unavoidable. h3 was best. } (19. h3 h5) 19... Nf3+?! { (Mate in 7 → -26.96) Lost forced checkmate sequence. Ba6 was best. } (19... Ba6 20. c4 Bxc4 21. Be3 Qxf1+ 22. Kd2 Qd3+ 23. Kc1 Qc3+ 24. Kd1 Rd8+ 25. Bd4 Rxd4#) 20. Kf2 Bxg4 21. Kg3?! { (-30.88 → Mate in 6) Checkmate is now unavoidable. Bb5+ was best. } (21. Bb5+ Kd8) 21... Qxf1 22. Kxg4 Ne5+ 23. Kg3 Rg8+ 24. Kh4 Nf3+ 25. Kh5 Qh3# { Black wins by checkmate. } 0-1