[Event "Rated classical game"] [Site "https://lichess.org/3DacAIHv"] [Date "2021.12.24"] [White "Yanchen2020"] [Black "koalamouse"] [Result "0-1"] [UTCDate "2021.12.24"] [UTCTime "14:29:28"] [WhiteElo "1548"] [BlackElo "1615"] [WhiteRatingDiff "-25"] [BlackRatingDiff "+9"] [Variant "Standard"] [TimeControl "3600+8"] [ECO "A50"] [Opening "Indian Defense: Normal Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 { A50 Indian Defense: Normal Variation } e6 3. Nc3 c5?! { (0.05 → 0.84) Inaccuracy. Bb4 was best. } (3... Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 h6 8. Bh4) 4. Nf3?! { (0.84 → 0.00) Inaccuracy. d5 was best. } (4. d5 g6 5. e4 d6 6. Nf3 Bg7 7. Bd3 O-O 8. h3 exd5) 4... cxd4 5. Nxd4 a6 6. e4 Bb4 7. Bd2 Nc6?! { (0.09 → 0.95) Inaccuracy. O-O was best. } (7... O-O 8. e5 Bxc3 9. Bxc3 Ne4 10. Qc2 Nxc3 11. Qxc3 d5 12. exd6) 8. Bd3?? { (0.95 → -1.04) Blunder. Nxc6 was best. } (8. Nxc6 dxc6 9. e5 Nd7 10. f4 O-O 11. Qh5 Nc5 12. Qf3 f5) 8... Nxd4 9. O-O?? { (-0.93 → -6.76) Blunder. e5 was best. } (9. e5) 9... O-O?! { (-6.76 → -5.09) Inaccuracy. d6 was best. } (9... d6 10. Bg5) 10. Bg5 e5 11. Nd5 Be7 12. Qg4?! { (-5.62 → -8.68) Inaccuracy. Nxe7+ was best. } (12. Nxe7+ Qxe7) 12... Nxg4 13. Nxe7+ Kh8 14. Nxc8 Qxg5 15. Nb6 Rad8 16. Bc2?! { (-12.79 → Mate in 3) Checkmate is now unavoidable. h3 was best. } (16. h3 Nf3+ 17. Kh1 Qh4 18. Be2 Nxf2+ 19. Rxf2 Qxf2 20. Bxf3 Qxb2 21. Rd1 Qxb6 22. Rd5 Qb1+) 16... Nxc2?! { (Mate in 3 → -16.21) Lost forced checkmate sequence. Ne2+ was best. } (16... Ne2+ 17. Kh1 Qf4 18. g3 Qf3#) 17. Rad1 Nge3 18. fxe3 Qxe3+ 19. Kh1 Qxb6 20. Rd5 Ne3 21. Rxe5 Nxf1 22. c5 Qxb2 23. Kg1 Qxe5 24. Kxf1?! { (-79.40 → Mate in 5) Checkmate is now unavoidable. g3 was best. } (24. g3 Nd2) 24... Qxe4 25. a4?! { (-77.27 → Mate in 3) Checkmate is now unavoidable. Kf2 was best. } (25. Kf2 Rc8) 25... Qxa4 26. c6 Qxc6 27. g3 d5 28. h4 d4 29. g4 d3 30. Ke1 d2+ 31. Kd1 Qf3+ 32. Kc2 d1=Q+ 33. Kb2 Rd2# { Black wins by checkmate. } 0-1