[Event "GIẢI TẬP LUYỆN LẦN 6"] [Site "https://lichess.org/DLt3L0pC"] [Date "2021.12.29"] [White "QUANGPHU2012_TB"] [Black "Yeucovua_TB"] [Result "1-0"] [UTCDate "2021.12.29"] [UTCTime "14:03:29"] [WhiteElo "1253"] [BlackElo "1959"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-11"] [Variant "Standard"] [TimeControl "300+0"] [ECO "C41"] [Opening "Philidor Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 d6?! { (0.18 → 0.85) Inaccuracy. Nc6 was best. } { C41 Philidor Defense } (2... Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 d5 6. Nbd2 dxe4 7. dxe4) 3. Nc3 Qf6?? { (0.42 → 2.37) Blunder. c5 was best. } (3... c5 4. Bc4 Be7 5. d3 Nf6 6. Bg5 Nc6 7. a4 Rb8 8. Bxf6) 4. Be2? { (2.37 → 0.98) Mistake. d4 was best. } (4. d4 Nc6 5. Bg5 Qg6 6. h4 f6 7. h5 Qf7 8. Be3 a6) 4... Qxf3?? { (0.98 → 8.66) Blunder. c5 was best. } (4... c5 5. Nd5 Qd8 6. c3 Nf6 7. Nxf6+ Qxf6 8. d4 exd4 9. cxd4) 5. Bxf3 Nc6 6. O-O Be6 7. Nd5 O-O-O 8. d3 Kb8 9. Bd2 f6 10. Nc3 g5 11. Nd5 h5 12. Bxh5 Nce7 13. Nxe7 Nxe7 14. Bg4 Bf7 15. Bb4 Bg7 16. Qd2 Rh4 17. h3 Rdh8 18. Qc3 Ng8 19. Bxd6 cxd6?! { (18.92 → Mate in 1) Checkmate is now unavoidable. Ne7 was best. } (19... Ne7 20. Qxc7+ Ka8 21. Qxe7 f5 22. exf5 e4 23. Qxf7 Bd4 24. Qd5 Rxg4 25. hxg4 Bxf2+ 26. Rxf2) 20. Qc8# { White wins by checkmate. } 1-0