lichess dev

[Event "Dama alba Arena"] [Site "http://chess-academy.net/4F2UMrmD"] [Date "2024.02.02"] [Round "-"] [White "cloun"] [Black "david781"] [Result "1-0"] [UTCDate "2024.02.02"] [UTCTime "16:43:56"] [WhiteElo "1588"] [BlackElo "1578"] [WhiteRatingDiff "+30"] [BlackRatingDiff "-43"] [Variant "Standard"] [TimeControl "240+0"] [ECO "A04"] [Opening "Zukertort Opening: Arctic Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. Nf3 f6? { (-0.02 → 1.50) Mistake. Best move was e6. } { A04 Zukertort Opening: Arctic Defense } (1... e6 2. c4 Nf6 3. d4 b6 4. a3 Bb7 5. Nc3 d5 6. Bf4) 2. e4 d6?! { (1.20 → 2.13) Inaccuracy. Best move was e6. } (2... e6 3. d4) 3. Nh4? { (2.13 → 0.70) Mistake. Best move was d4. } (3. d4 e5 4. Bc4 Nc6 5. O-O h5 6. Be2 g6 7. d5 Nce7 8. c4 Nh6 9. Nc3 Bg7) 3... c6? { (0.70 → 2.26) Mistake. Best move was g6. } (3... g6 4. d4 e6 5. Nf3 Ne7 6. c3 Nbc6 7. Bd3 Bg7 8. Na3 f5 9. exf5 gxf5 10. O-O) 4. Qh5+ Kd7 5. Bc4? { (2.03 → 0.82) Mistake. Best move was Ng6. } (5. Ng6 Qe8) 5... Nh6?! { (0.82 → 1.39) Inaccuracy. Best move was Kc7. } (5... Kc7 6. d4) 6. d4 d5? { (1.03 → 2.63) Mistake. Best move was g5. } (6... g5 7. Nf5) 7. exd5 cxd5?! { (2.68 → 3.60) Inaccuracy. Best move was g5. } (7... g5) 8. Bxd5? { (3.60 → 2.31) Mistake. Best move was Qxd5+. } (8. Qxd5+ Ke8) 8... e6? { (2.31 → 3.91) Mistake. Best move was Kc7. } (8... Kc7) 9. Bb3 b5?? { (3.19 → 6.53) Blunder. Best move was Nc6. } (9... Nc6 10. Nc3) 10. Bxh6 gxh6 11. Qf7+? { (5.86 → 3.54) Mistake. Best move was d5. } (11. d5 Kc7) 11... Kd6?? { (3.54 → 6.89) Blunder. Best move was Qe7. } (11... Qe7 12. Bxe6+) 12. Nc3?! { (6.89 → 6.04) Inaccuracy. Best move was O-O. } (12. O-O) 12... a6? { (6.04 → 7.77) Mistake. Best move was b4. } (12... b4) 13. Ne4+? { (7.77 → 6.05) Mistake. Best move was O-O-O. } (13. O-O-O Bd7 14. Rhe1 Kc7 15. Bxe6 Kb7 16. Nd5 Ra7 17. Bxd7 Qxd7 18. Qxf6 Qxd5 19. Qxh8 Bd6) 13... Kc6 14. Nxf6?? { (6.01 → 1.20) Blunder. Best move was Bxe6. } (14. Bxe6 Bxe6 15. Qxe6+ Kb7 16. O-O Bb4 17. c3 Re8 18. Qf5 Be7 19. Qxh7 Qd7 20. Nf5 Ka7) 14... a5?? { (1.20 → 6.77) Blunder. Best move was Bb4+. } (14... Bb4+ 15. c3) 15. d5+ Kb6 16. O-O-O? { (6.86 → 5.19) Mistake. Best move was dxe6. } (16. dxe6 Ra7) 16... Ka6? { (5.19 → 8.01) Mistake. Best move was Ra7. } (16... Ra7) 17. dxe6 Bd6? { (7.35 → 12.79) Mistake. Best move was Qe7. } (17... Qe7 18. Rhe1 Nc6 19. Bd5 Nd8 20. Qxe7 Bxe7 21. Bxa8 Nxe6 22. Nd7 Bxd7 23. Rxd7 Bg5+ 24. Kb1) 18. Rxd6+? { (12.79 → 7.62) Mistake. Best move was Ne4. } (18. Ne4 Ra7 19. Qf5 Rf8 20. Rxd6+ Qxd6 21. Nxd6 Rxf5 22. Nhxf5 a4 23. Bd5 Bxe6 24. Bxe6 Rc7) 18... Qxd6 19. e7 Qf4+ 20. Kb1 Qxh4? { (7.59 → 8.91) Mistake. Best move was Nd7. } (20... Nd7 21. e8=Q Rxe8 22. Nxe8 Qxf7 23. Bxf7 Rb8 24. Re1 Nf8 25. Rd1 Kb7 26. Nd6+ Kc7 27. Rd5) 21. Ng8?! { (8.91 → 8.38) Inaccuracy. Best move was e8=Q. } (21. e8=Q) 21... Rxg8 22. Qxg8 Qb4? { (8.07 → Mate in 5) Checkmate is now unavoidable. Best move was Qxe7. } (22... Qxe7) 23. e8=Q?! { (Mate in 5 → 22.33) Lost forced checkmate sequence. Best move was Qxc8+. } (23. Qxc8+ Ka7 24. e8=Q Qe1+ 25. Rxe1 Na6 26. Qxa8+ Kb6 27. Qec6#) 23... a4?! { (22.33 → Mate in 3) Checkmate is now unavoidable. Best move was Bd7. } (23... Bd7 24. Qd8) 24. Qxc8+ Ka5 25. Qgd8# { White wins by checkmate. } 1-0