[Event "Casual correspondence game"] [Site "https://live.chess-online.com/HTyOkrUq"] [Date "2025.04.15"] [White "lichess AI level 1"] [Black "sergeyb31"] [Result "0-1"] [GameId "HTyOkrUq"] [UTCDate "2025.04.15"] [UTCTime "11:49:12"] [WhiteElo "?"] [BlackElo "1500"] [Variant "Standard"] [TimeControl "-"] [ECO "A06"] [Opening "Zukertort Opening: Old Indian Attack"] [Termination "Normal"] [Annotator "live.chess-online.com"] 1. d3 d5 2. Nf3 { A06 Zukertort Opening: Old Indian Attack } e6 3. a3 Nc6 4. Nc3 d4 5. Nb5?? { (-0.09 → -3.96) Blunder. Nb1 was best. } (5. Nb1 a5 6. g3 e5 7. Bg2 Nf6 8. Nbd2 Be6 9. O-O Bc5 10. c3 O-O) 5... Bc5?? { (-3.96 → 0.27) Blunder. a6 was best. } (5... a6 6. Nbxd4 Nxd4 7. e4 c5 8. Ne5 Qc7 9. f4 Be7 10. c3 Nc6 11. Qh5) 6. Bg5?? { (0.27 → -3.31) Blunder. Bf4 was best. } (6. Bf4 Bb6) 6... Nf6?? { (-3.31 → -0.40) Blunder. f6 was best. } (6... f6 7. Bd2 a6 8. Nfxd4 Nxd4 9. e3 Nxb5 10. Qh5+ Kf8 11. Qxc5+ Ne7 12. a4) 7. Bf4? { (-0.40 → -1.64) Mistake. c3 was best. } (7. c3 e5) 7... e5 8. Bd2?? { (-1.31 → -4.33) Blunder. Nxe5 was best. } (8. Nxe5 Nd5) 8... Bg4 9. b4 Be7 10. c4 e4?? { (-4.03 → -1.78) Blunder. a6 was best. } (10... a6 11. g3 axb5 12. cxb5 Na7 13. a4 Bd6 14. Bg2 O-O 15. O-O Qd7 16. Ng5) 11. dxe4?! { (-1.78 → -2.48) Inaccuracy. Bf4 was best. } (11. Bf4 O-O) 11... Nxe4?! { (-2.48 → -1.81) Inaccuracy. a6 was best. } (11... a6 12. Qb1 O-O 13. h3 Bh5 14. e5 Bg6 15. Qb2 axb5 16. exf6 Bxf6 17. cxb5) 12. Qc2?? { (-1.81 → -4.04) Blunder. Bf4 was best. } (12. Bf4 O-O) 12... Bf5?! { (-4.04 → -2.51) Inaccuracy. Nxd2 was best. } (12... Nxd2 13. Qxd2 Bxf3 14. exf3 a6 15. O-O-O axb5 16. cxb5 Ne5 17. f4 Ng6 18. Qxd4) 13. Rd1?! { (-2.51 → -3.97) Inaccuracy. Bf4 was best. } (13. Bf4 O-O 14. Rd1 Ng3 15. Qc1 Nxh1 16. Nfxd4 Nxd4 17. Rxd4 Bd7 18. Qd1 Bg5) 13... g6?? { (-3.97 → -0.56) Blunder. a6 was best. } (13... a6 14. Qc1 Bf6 15. Nbxd4 Bxd4 16. e3 Bf6 17. b5 Ne7 18. Bb4 Qc8 19. Nd4) 14. Be3?? { (-0.56 → -4.41) Blunder. Bf4 was best. } (14. Bf4) 14... Nxf2 15. Qc3? { (-4.37 → -8.29) Mistake. Rxd4 was best. } (15. Rxd4 Nxd4 16. Qc3 Ne4 17. Qxd4 O-O 18. Qxd8 Bxd8 19. Nbd4 Bd7 20. g3 Re8) 15... Ng4?? { (-8.29 → -0.01) Blunder. Nxd1 was best. } (15... Nxd1 16. Qxd4 Nxd4 17. Bxd4 O-O 18. g3 c6 19. Bg2 cxb5 20. O-O Bf6 21. Rxd1) 16. Nbxd4 Bh4+?! { (-0.47 → 0.26) Inaccuracy. Bf6 was best. } (16... Bf6 17. Bf4 Nxd4 18. Nxd4 Qe7 19. h3 Qe4 20. hxg4 Qxf4 21. Qf3 Qxg4 22. Nxf5) 17. Bf2?? { (0.26 → -8.45) Blunder. Nxh4 was best. } (17. Nxh4 Qxh4+) 17... Bxf2+ 18. Kd2 Bxd4 19. Qc1 Be3+ 20. Ke1?! { (-11.42 → Mate in 1) Checkmate is now unavoidable. Kc3 was best. } (20. Kc3 Qf6+ 21. Kb3 Bxc1 22. Rxc1 a5 23. b5 Nb4 24. Ka4 Bc2+ 25. Rxc2 Nxc2) 20... Bf2# { Black wins by checkmate. } 0-1