[Event "Casual correspondence game"] [Site "https://lichess.org/k4pNyyEZ"] [Date "2024.02.20"] [White "lichess AI level 4"] [Black "Czamuel"] [Result "1-0"] [UTCDate "2024.02.20"] [UTCTime "10:33:45"] [WhiteElo "?"] [BlackElo "1500"] [Variant "Standard"] [TimeControl "-"] [ECO "A04"] [Opening "Zukertort Opening: Black Mustang Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 Nc6 { A04 Zukertort Opening: Black Mustang Defense } 2. d4 Nf6 3. Bg5?! { (0.77 → 0.16) Inaccuracy. c4 was best. } (3. c4 e6 4. e3 d5 5. Nc3 Bb4 6. Bd2 O-O 7. a3 Bxc3) 3... h6 4. Bh4 d5 5. Bxf6 exf6 6. e3 Bd6 7. Bb5 O-O 8. Nbd2 Nb4 9. O-O c6 10. Ba4 Qc7 11. h3 c5 12. a3 cxd4?? { (0.43 → 3.09) Blunder. Na6 was best. } (12... Na6) 13. exd4?? { (3.09 → -0.31) Blunder. axb4 was best. } (13. axb4 dxe3 14. fxe3 Bxb4 15. Kh1 a6 16. Nd4 Qe5 17. Re1 Bd6 18. Nf1 Be6 19. Qd3 Rad8) 13... Nxc2?? { (-0.31 → 3.73) Blunder. Nc6 was best. } (13... Nc6 14. Bb3) 14. Rc1 Bg3? { (3.32 → 6.30) Mistake. Ne3 was best. } (14... Ne3 15. fxe3 Qe7 16. Qe2 Be6 17. Bb3 Rae8 18. Rc3 Bb8 19. e4 dxe4 20. Qxe4 Kh8 21. d5) 15. Rxc2 Qf4 16. Qe2?! { (6.33 → 4.83) Inaccuracy. fxg3 was best. } (16. fxg3 Qxg3 17. Rc3 Bxh3 18. Ne1 Qxc3 19. bxc3 Be6 20. Qf3 Rfc8 21. Bb3 b6 22. Bxd5 Bxd5) 16... Bxh3?! { (4.83 → 6.26) Inaccuracy. Bh4 was best. } (16... Bh4 17. Rc3 Bg5 18. Re1 Qd6 19. h4 Bf4 20. g3 Bxd2 21. Qxd2 Bd7 22. Bxd7 Qxd7 23. Nh2) 17. gxh3 Qf5 18. fxg3 Rae8 19. Qf2 Qxh3 20. Rc7 Re6 21. Bb5 Rfe8 22. b3 R8e7 23. Rc8+ Kh7 24. a4 Re2 25. Rh8+ Kxh8 26. Bxe2 Rxe2 27. Qxe2 Qxg3+ 28. Qg2 Qxg2+ 29. Kxg2 g5 30. Kh3 Kg7 31. b4 Kg6 32. Kg3 h5 33. Nh2 h4+ 34. Kf3 h3 35. Kg3 Kh5? { (7.83 → Mate in 4) Checkmate is now unavoidable. f5 was best. } (35... f5 36. Kxh3 f4 37. Kg4 f3 38. Kxf3 b6 39. b5 f5 40. Re1 Kf7 41. Re5 Kg6 42. Re7) 36. b5? { (Mate in 4 → 8.57) Lost forced checkmate sequence. Rxf6 was best. } (36. Rxf6 g4 37. Kf4 a5 38. Nxg4 axb4 39. Rh6#) 36... g4? { (8.57 → Mate in 4) Checkmate is now unavoidable. Kg6 was best. } (36... Kg6 37. Ng4 f5 38. Ne5+ Kf6 39. Kxh3 Ke6 40. Rc1 f6 41. Nd3 Kd6 42. Rc5 f4 43. Kg4) 37. Nxg4?! { (Mate in 4 → 13.03) Lost forced checkmate sequence. Rxf6 was best. } (37. Rxf6 a5 38. Kf4 g3 39. Ng4 h2 40. Rh6#) 37... f5 38. Ne3 f4+ 39. Rxf4 Kg5 40. Rg4+ Kf6 41. a5 Ke6 42. Rf4 b6?! { (11.60 → Mate in 18) Checkmate is now unavoidable. a6 was best. } (42... a6 43. b6 h2 44. Kxh2 f6 45. Rf5 Kd7 46. Kg3 Ke7 47. Nxd5+ Ke6 48. Kg4 Kf7 49. Ne4) 43. Nb3 bxa5?! { (38.70 → Mate in 15) Checkmate is now unavoidable. Ke7 was best. } (43... Ke7 44. Kxh3 Ke6 45. Kh2 Ke7 46. Nxd5+ Kd6 47. axb6 axb6 48. Nxb6 Ke7 49. Nc8+ Kd7 50. Rxf7+) 44. Rf5 a4 45. Nc5+ Ke7 46. Rxd5 Kf6 47. Rd7 a3 48. Ne4+ Ke6 49. Rd6+ Ke7 50. Kh2 a2 51. Nf5+ Kf8 52. Rd8# { White wins by checkmate. } 1-0