[Event "Casual correspondence game"] [Site "https://live.chess-online.com/x9A1A94G"] [Date "2026.04.21"] [White "lichess AI level 4"] [Black "id508059978"] [Result "0-1"] [GameId "x9A1A94G"] [UTCDate "2026.04.21"] [UTCTime "19:16:07"] [WhiteElo "?"] [BlackElo "1500"] [Variant "Standard"] [TimeControl "-"] [ECO "A04"] [Opening "Zukertort Opening: Black Mustang Defense"] [Termination "Normal"] [Annotator "live.chess-online.com"] 1. Nf3 Nc6 { A04 Zukertort Opening: Black Mustang Defense } 2. c3?! { (0.47 → -0.21) Inaccuracy. d4 was best. } (2. d4 d5 3. c4 e6 4. a3 Nf6 5. Nc3 Be7 6. e3 O-O) 2... e5 3. d4 exd4?! { (-0.34 → 0.30) Inaccuracy. e4 was best. } (3... e4 4. d5 exf3 5. dxc6 fxg2 6. cxd7+ Bxd7 7. Bxg2 c6 8. Nd2 Qc7 9. Nb3) 4. Bf4?! { (0.30 → -0.52) Inaccuracy. cxd4 was best. } (4. cxd4 Nf6) 4... dxc3 5. bxc3?! { (-0.49 → -1.39) Inaccuracy. Nxc3 was best. } (5. Nxc3 Bb4) 5... Bd6? { (-1.39 → -0.17) Mistake. Nf6 was best. } (5... Nf6 6. Nbd2 Bc5 7. Nb3 Be7 8. h3 a5 9. e3 a4 10. Nbd4 Nd5 11. Nb5) 6. Qa4? { (-0.17 → -1.61) Mistake. Bxd6 was best. } (6. Bxd6 cxd6) 6... Bxf4 7. Qe4+?? { (-1.65 → -5.43) Blunder. Qxf4 was best. } (7. Qxf4 Nf6 8. g3 d5 9. Bg2 O-O 10. c4 h6 11. Nc3 dxc4 12. Qxc4 Qe7) 7... Qe7?? { (-5.43 → -2.08) Blunder. Be5 was best. } (7... Be5 8. Nxe5 Qe7 9. Nd2 Nxe5 10. f4 Nc6 11. Qxe7+ Ngxe7 12. e4 d6 13. Be2) 8. Qxf4 Qd6? { (-1.96 → -0.56) Mistake. d6 was best. } (8... d6 9. g3 Ne5 10. Nxe5 dxe5 11. Qc1 h5 12. h4 Nf6 13. Bg2 O-O 14. O-O) 9. Qg5? { (-0.56 → -1.77) Mistake. Qxd6 was best. } (9. Qxd6 cxd6) 9... g6 10. Qe3+ Qe6 11. Qf4 d6 12. Ng5 Qf5 13. Qe4+ Be6 14. h4 Qxe4 15. Nxe4 Bf5 16. Ng3 Bxb1 17. Rxb1 O-O-O 18. e4 Nf6 19. Be2?! { (-2.26 → -2.96) Inaccuracy. Bb5 was best. } (19. Bb5 Na5 20. h5 a6 21. Bd3 Rhe8 22. Kd2 Re5 23. Kc2 Nc6 24. f4 Rc5) 19... d5 20. Bb5 Nxe4 21. Bxc6 bxc6 22. Rc1?! { (-2.74 → -4.05) Inaccuracy. Nxe4 was best. } (22. Nxe4 Rhe8 23. Rb4 a5 24. Ra4 Rxe4+ 25. Rxe4 dxe4 26. h5 g5 27. Rh3 f5) 22... Nxg3 23. Rh3? { (-4.09 → -6.67) Mistake. fxg3 was best. } (23. fxg3 Rhe8+ 24. Kf2 Re4 25. Rce1 Rde8 26. Rxe4 Rxe4 27. h5 Rc4 28. h6 Rxc3) 23... Rde8+ 24. Kd2 Ne4+ 25. Ke3 f5 26. Rhh1 c5 27. Rhd1 Rd8 28. f3 Nf6 29. c4 dxc4 30. Rxd8+ Rxd8 31. Rxc4 Rd5 32. Rc3 a5 33. Ra3 c4 34. Rc3 Rc5 35. Kd4 Nd7 36. f4 a4 37. Rxc4 Rxc4+ 38. Kxc4 a3 39. Kc3 Nc5 40. Kc4 Ne4 41. Kd3 Kb7 42. Ke2 Kb6 43. Kd3 c5 44. Kc4 Nd2+ 45. Kd5 c4 46. Kd4 Kb5 47. Ke3 Nb1 48. Kd4 Kb4 49. Ke3 Nc3 50. h5?! { (-10.54 → Mate in 16) Checkmate is now unavoidable. Kd4 was best. } (50. Kd4 Nxa2 51. Ke5 c3 52. Kf6 Kb3 53. Kg7 c2 54. Kxh7 Nb4 55. Kxg6 c1=Q) 50... gxh5 51. g3?! { (-15.75 → Mate in 13) Checkmate is now unavoidable. Kd4 was best. } (51. Kd4 Nxa2) 51... Nxa2 52. Kd2 Nc3 53. Kc2 a2 54. Kb2 h6 55. Ka1 Ne2 56. Kxa2 Nxg3 57. Ka1 h4 58. Kb2 h3 59. Kc2 h2 60. Kd2 h1=Q 61. Ke3 Qe4+ 62. Kf2 Qxf4+ 63. Kg1 Qf1+ 64. Kh2 Qf2+ 65. Kh3 Qf1+ 66. Kxg3 c3 67. Kh2 c2 68. Kg3 c1=Q 69. Kh2 Qd3 70. Kg2 Qcc2+ 71. Kg1 Qdd1# { Black wins by checkmate. } 0-1