FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/LyOPvprG"]
[Date "2026.05.05"]
[White "Mateo1"]
[Black "ChessMasterPlayer"]
[Result "0-1"]
[UTCDate "2026.05.05"]
[UTCTime "14:27:21"]
[WhiteElo "772"]
[BlackElo "1447"]
[WhiteRatingDiff "-1"]
[BlackRatingDiff "+0"]
[BlackTitle "GM"]
[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. Nxd5?? { (-0.23 → -5.56) Blunder. d4 was best. } (3. d4) 3... Nxd5?! { (-5.56 → -4.32) Inaccuracy. Qxd5 was best. } (3... Qxd5 4. d3) 4. Ng5?! { (-4.32 → -7.30) Inaccuracy. e4 was best. } (4. e4 Nb6 5. a4 c5 6. c3 e6 7. d4 cxd4 8. Nxd4 Be7 9. Bf4 O-O 10. Nb5 a6) 4... Bf5?? { (-7.30 → -1.88) Blunder. e5 was best. } (4... e5 5. d4 Nb6 6. e4 Qxd4 7. Qh5 Qb4+ 8. Bd2 Qe7 9. f4 Nc6 10. O-O-O g6 11. Qh4) 5. Ne4?? { (-1.88 → -9.22) Blunder. e4 was best. } (5. e4 e5 6. Nxf7 Kxf7 7. exf5 Nb6 8. a4 a5 9. Be2 Nc6 10. c3 Bd6 11. Bf3 Qe7) 5... Bxe4 6. f3 Bg6 7. f4 Nxf4 8. e3 Nd5 9. e4 Bxe4 10. d3 Bf5 11. d4 e6 12. Qg4 Bxg4 13. Be2 Bxe2 14. Kxe2 Bd6 15. Kf3 O-O 16. Ke4?! { (-21.39 → Mate in 10) Checkmate is now unavoidable. c3 was best. } (16. c3 Qf6+ 17. Ke2 Qg6 18. Re1 Qxg2+ 19. Kd1 Qf3+ 20. Kc2 Bxh2 21. Bd2 Qf5+ 22. Kc1 Nc6) 16... Nc6?! { (Mate in 10 → -24.89) Lost forced checkmate sequence. Qf6 was best. } (16... Qf6 17. Kd3 Qg6+ 18. Ke2 Qxg2+ 19. Kd1 Qxh1+ 20. Ke2 Qxh2+ 21. Kd3 Qh3+ 22. Kd2 Qg2+ 23. Ke1) 17. Bd2?! { (-24.89 → Mate in 11) Checkmate is now unavoidable. Be3 was best. } (17. Be3 Qf6) 17... Qh4+ 18. Kd3 Qxd4+ 19. Ke2 Qxb2 20. Rab1?! { (-23.38 → Mate in 9) Checkmate is now unavoidable. Rac1 was best. } (20. Rac1 Qxa2 21. Rhe1 Qc4+ 22. Kf2 Qh4+ 23. Ke2 Qxh2 24. c3 Qxg2+ 25. Kd1 Ne5 26. Rxe5 Bxe5) 20... Qxc2?! { (Mate in 9 → -29.16) Lost forced checkmate sequence. Nd4+ was best. } (20... Nd4+ 21. Kf2 Qxc2 22. Rb2 Qxb2 23. Rd1 Qc2 24. h4 Qxd1 25. Bf4 Qe2+ 26. Kg3 Nxf4 27. h5) 21. Rb2?! { (-29.16 → Mate in 8) Checkmate is now unavoidable. Rhd1 was best. } (21. Rhd1 Nc3+) 21... Qxb2 22. Kd1 Qb1+ 23. Ke2 Qxh1 24. Kf2 Bc5+ 25. Ke2 Qxg2+ 26. Ke1 Qf2+ 27. Kd1 Ne3+ 28. Kc1 Ba3+ 29. Kb1 Qxd2 30. Ka1 Qc1# { Black wins by checkmate. } 0-1