[Event "2023 Winter Marathon"] [Site "https://lichess.org/InLz65Vz"] [Date "2023.12.29"] [White "Tacir_09"] [Black "ain69"] [Result "0-1"] [UTCDate "2023.12.29"] [UTCTime "15:55:49"] [WhiteElo "1760"] [BlackElo "1973"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+6"] [Variant "Standard"] [TimeControl "180+0"] [ECO "A43"] [Opening "Benoni Defense: Old Benoni"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 c5?! { (0.13 → 0.98) Inaccuracy. Nf6 was best. } (1... Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3) 2. d5 d6 { A43 Benoni Defense: Old Benoni } 3. c4 e5 4. e4 f5?! { (0.98 → 1.80) Inaccuracy. Be7 was best. } (4... Be7 5. Nf3 Bg4 6. Nc3 a6 7. b3 h5 8. Be2 h4 9. Qd2) 5. f3?! { (1.80 → 0.78) Inaccuracy. exf5 was best. } (5. exf5 Bxf5 6. Nc3 Nd7 7. Bd3 Bxd3 8. Qxd3 Be7 9. Nf3 Nf8) 5... Nf6?! { (0.78 → 1.73) Inaccuracy. fxe4 was best. } (5... fxe4 6. Nc3 Nf6 7. fxe4 Be7 8. Be2 O-O 9. Bf3 h6 10. Nge2) 6. Nc3?! { (1.73 → 0.74) Inaccuracy. exf5 was best. } (6. exf5 Bxf5 7. Nc3 g6 8. Be2 Qe7 9. g4 Bd7 10. Nh3 Na6) 6... Be7?! { (0.74 → 1.86) Inaccuracy. f4 was best. } (6... f4 7. Nge2 Be7 8. g3 Nh5 9. Bd2 O-O 10. Qc2 a6 11. a4) 7. Bd3? { (1.86 → 0.67) Mistake. exf5 was best. } (7. exf5 Bxf5 8. Bd3 Bxd3 9. Qxd3 O-O 10. Nh3 h6 11. O-O Qe8) 7... O-O? { (0.67 → 2.06) Mistake. f4 was best. } (7... f4 8. Nge2 a6 9. Qc2 O-O 10. Bd2 Kh8 11. g3 Nbd7 12. a4) 8. Nge2? { (2.06 → 0.55) Mistake. exf5 was best. } (8. exf5 Ne8 9. g4 Bh4+ 10. Ke2 Bd7 11. Nh3 Na6 12. a3 b5 13. b3 h5 14. Qg1 hxg4) 8... f4 9. b3 a6 10. Ba3?! { (0.49 → -0.50) Inaccuracy. Kd2 was best. } (10. Kd2) 10... Nbd7 11. Bb2 Rf7 12. O-O? { (0.15 → -1.48) Mistake. Qc2 was best. } (12. Qc2) 12... Nf8 13. Kf2 g5 14. Ke1 h5 15. Rg1 g4 16. fxg4? { (-1.43 → -3.17) Mistake. Nc1 was best. } (16. Nc1 N6h7) 16... hxg4?! { (-3.17 → -2.28) Inaccuracy. Nxg4 was best. } (16... Nxg4 17. h3 Bh4+ 18. g3 fxg3 19. hxg4 Qg5 20. Qd2 Rf1+ 21. Rxf1 g2+ 22. Ng3 gxf1=R+ 23. Bxf1) 17. h3 g3 18. Nc1 N8h7 19. Be2?! { (-2.48 → -3.25) Inaccuracy. a4 was best. } (19. a4 Qf8 20. Kd2 Qh6 21. Kc2 Ng5 22. N1e2 Qh4 23. Bc1 Nh5 24. Qe1 f3) 19... Bd7 20. Nd3 b5 21. cxb5 axb5 22. b4 c4 23. Nc1 Qb6 24. Kf1?? { (-4.82 → Mate in 1) Checkmate is now unavoidable. Rf1 was best. } (24. Rf1 Bxh3 25. Bf3 Bd7 26. N1e2 Ng5 27. Ng1 Bd8 28. Qe2 Qa7 29. a4 bxa4 30. Kd2 Bb6) 24... Qf2# { Black wins by checkmate. } 0-1