[Event "Casual correspondence game"] [Site "https://lichess.org/84J7zBsR"] [Date "2024.04.10"] [White "chinasky1975"] [Black "lichess AI level 4"] [Result "1-0"] [UTCDate "2024.04.10"] [UTCTime "11:50:43"] [WhiteElo "1860"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "B56"] [Opening "Sicilian Defense: Kupreichik Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bd7 { B56 Sicilian Defense: Kupreichik Variation } 6. Be2 Qa5 7. O-O Qd8 8. Be3 a6?! { (0.97 → 1.55) Inaccuracy. e6 was best. } (8... e6 9. f4 Nc6 10. Qe1 Be7 11. Qg3 O-O 12. Rad1 Nxd4 13. Bxd4 Qc7 14. b4 Rad8 15. a3) 9. a4?! { (1.55 → 0.89) Inaccuracy. Nd5 was best. } (9. Nd5 g6 10. c3 Bg7 11. Nb6 Qxb6 12. Ne6 Qc6 13. Nxg7+ Kf8 14. Bh6 Kg8 15. Qd2 Qxe4) 9... Qa5? { (0.89 → 2.46) Mistake. e6 was best. } (9... e6 10. f4 Nc6 11. Nb3 Be7 12. a5 O-O 13. Bf3 Nb4 14. Bb6 Qc8 15. Kh1 Bc6 16. Qd2) 10. Nb3 Qc7 11. Nd4?! { (2.15 → 1.01) Inaccuracy. Nd5 was best. } (11. Nd5 Nxd5 12. exd5 e6 13. c4 Be7 14. a5 O-O 15. Qd2 Bf6 16. Rac1 Ba4 17. Nd4 Bd7) 11... h5? { (1.01 → 2.47) Mistake. e6 was best. } (11... e6 12. a5 Be7 13. f4 O-O 14. Kh1 h6 15. Bf3 Nc6 16. Nb3 Nb4 17. Bb6 Qc8 18. Qd2) 12. a5?! { (2.47 → 1.41) Inaccuracy. Nd5 was best. } (12. Nd5) 12... Qc8? { (1.41 → 2.74) Mistake. e6 was best. } (12... e6 13. f4 Nc6 14. Nb3 Rc8 15. Qd2 Be7 16. h3 Qb8 17. Rad1 e5 18. Nd5 Nxe4 19. Qe1) 13. Na4? { (2.74 → 1.21) Mistake. Nd5 was best. } (13. Nd5 Nxd5 14. exd5 g6 15. Ra3 Bg7 16. Qd2 O-O 17. Bh6 e5 18. dxe6 Bxe6 19. Bxg7 Kxg7) 13... e5?? { (1.21 → 4.05) Blunder. Bxa4 was best. } (13... Bxa4 14. Rxa4 e6 15. Nf3 Nc6 16. Ng5 Be7 17. c4 Nd7 18. h4 Nce5 19. Bd4 Bf6 20. b4) 14. Nb6 exd4 15. Nxc8 b5?! { (4.41 → 5.63) Inaccuracy. Bxc8 was best. } (15... Bxc8 16. Bxd4 Be7 17. Bxf6 Bxf6 18. Qxd6 Nc6 19. Rfd1 h4 20. h3 Be7 21. Qf4 O-O 22. Bc4) 16. Bxd4 Nc6 17. Nb6 Nxd4 18. Qxd4 Rb8 19. e5 Rxb6 20. axb6 dxe5 21. Qxe5+ Be6? { (7.94 → Mate in 7) Checkmate is now unavoidable. Be7 was best. } (21... Be7 22. b7 O-O 23. Qxe7 Rb8 24. Bf3 Be6 25. Qc7 Rxb7 26. Qxb7 b4 27. Rfe1 b3 28. c4) 22. b7 Nd7 23. Bxb5 axb5 24. Ra8+ Ke7 25. Qxb5?! { (Mate in 5 → 10.41) Lost forced checkmate sequence. b8=Q was best. } (25. b8=Q Nxb8 26. Rxb8 Kd7 27. Rd1+ Ke7 28. Rbd8 f6 29. R1d7#) 25... Kf6 26. b8=Q Kg6?? { (7.00 → Mate in 9) Checkmate is now unavoidable. Nxb8 was best. } (26... Nxb8 27. Rxb8 Kg6 28. h4 f6 29. Re1 Bf5 30. Rb7 Bxc2 31. Qd5 Bf5 32. Rc7 Bg4 33. f3) 27. Qg3+ Kh7 28. Qgd3+ Kg8? { (9.64 → Mate in 11) Checkmate is now unavoidable. Kh6 was best. } (28... Kh6 29. Ra6 Nc5 30. Rxe6+ g6 31. Qe3+ Kh7 32. Qe8 Rg8 33. Rf6 Bg7 34. Qxf7 Rd8 35. Qee7) 29. Qg5 f6 30. Qge3 Ne5 31. Qd6 Kh7 32. Qxe6 Bb4 33. Qf5+ Ng6 34. Rxh8+ Kxh8 35. Qxg6 h4 36. Qee8+ Bf8 37. Qxf8# { White wins by checkmate. } 1-0