[Event "rated classical game"] [Site "https://lichess.org/PQHRsLzV"] [Date "2026.06.04"] [Round "-"] [White "naty0510"] [Black "deffent78"] [Result "0-1"] [GameId "PQHRsLzV"] [UTCDate "2026.06.04"] [UTCTime "19:57:29"] [WhiteElo "1262"] [BlackElo "1739"] [WhiteRatingDiff "-70"] [BlackRatingDiff "+71"] [Variant "Standard"] [TimeControl "1800+0"] [ECO "D00"] [Opening "Queen's Pawn Game: Mason Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. f4 { [%eval -0.23] } 1... d5 { [%eval -0.17] } 2. d4 { [%eval -0.48] } { D00 Queen's Pawn Game: Mason Attack } 2... Nc6 { [%eval 0.0] } 3. e4? { (0.00 → -1.64) Mistake. Nf3 was best. } { [%eval -1.64] } (3. Nf3 Bf5 4. a3 e6 5. e3 Nf6 6. c4 Be7 7. Bd2 O-O) 3... dxe4 { [%eval -1.75] } 4. Ne2 { [%eval -1.74] } 4... Nf6 { [%eval -1.78] } 5. d5? { (-1.78 → -3.37) Mistake. Nbc3 was best. } { [%eval -3.37] } (5. Nbc3 g6 6. h3 h5 7. a3 Bg7 8. Be3 e6 9. Qd2 Ne7 10. Rg1 h4) 5... Qxd5 { [%eval -3.04] } 6. Qxd5 { [%eval -3.1] } 6... Nxd5 { [%eval -3.04] } 7. f5?! { (-3.04 → -4.65) Inaccuracy. Nbc3 was best. } { [%eval -4.65] } (7. Nbc3 Ndb4 8. Nb5 Bg4 9. Nxc7+ Kd7 10. Nxa8 Nxc2+ 11. Kd1 Nxa1 12. Be3 g6) 7... Bxf5 { [%eval -4.81] } 8. g4 { [%eval -5.48] } 8... Bxg4 { [%eval -5.53] } 9. Ng1 { [%eval -6.24] } 9... O-O-O { [%eval -6.32] } 10. Bd2 { [%eval -6.94] } 10... e5 { [%eval -6.94] } 11. Bc1 { [%eval -7.7] } 11... f5 { [%eval -6.54] } 12. Ne2 { [%eval -7.52] } 12... Bf3 { [%eval -6.5] } 13. Rg1 { [%eval -6.34] } 13... Bc5 { [%eval -6.21] } 14. Rxg7 { [%eval -6.36] } 14... f4 { [%eval -6.11] } 15. Nxf4 { [%eval -7.56] } 15... exf4 { [%eval -7.43] } 16. Rg3 { [%eval -9.88] } 16... fxg3 { [%eval -9.93] } 17. hxg3 { [%eval -10.05] } 17... Rhg8 { [%eval -9.46] } 18. g4 { [%eval -11.55] } 18... Rxg4 { [%eval -8.98] } 19. Bh6 { [%eval -9.62] } 19... Rdg8 { [%eval -8.47] } 20. Bc1? { (-8.47 → Mate in 5) Checkmate is now unavoidable. Nd2 was best. } { [%eval #-5] } (20. Nd2 Rg1 21. Nxf3 Rxf1+ 22. Kxf1 exf3 23. Ke1 Rg2 24. a3 Rg1+ 25. Kd2 Rxa1) 20... Bg2? { (Mate in 5 → -9.28) Lost forced checkmate sequence. Rg1 was best. } { [%eval -9.28] } (20... Rg1 21. Nd2 R8g2 22. Nxf3 exf3 23. a3 Re2+ 24. Kd1 Rxf1#) 21. Bxg2? { (-9.28 → Mate in 5) Checkmate is now unavoidable. Nd2 was best. } { [%eval #-5] } (21. Nd2 Bxf1 22. Nxf1 Nd4 23. c3 Nf3+ 24. Kd1 Rg1 25. Kc2 Rxf1 26. Kb3 Rf2) 21... Rxg2 { [%eval #-4] } 22. Kf1 { [%eval #-2] } 22... Rg1+ { [%eval #-1] } 23. Ke2 { [%eval #-1] } 23... R8g2# { Black wins by checkmate. } 0-1