[Event "October 4 Intermediate Class Arena"] [Site "https://lichess.org/fkok7vSE"] [Date "2021.10.04"] [White "Yushi2009"] [Black "celenam"] [Result "0-1"] [UTCDate "2021.10.04"] [UTCTime "23:28:20"] [WhiteElo "950"] [BlackElo "977"] [Variant "Standard"] [TimeControl "300+2"] [ECO "C42"] [Opening "Petrov's Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nf6 { C42 Petrov's Defense } 3. d3 Nc6 4. g3 Bc5 5. Bg2 d6 6. O-O O-O 7. Bg5 h6 8. Bxf6 Qxf6 9. Nc3 Ne7 10. a3 a5 11. Rb1 Bg4 12. b4?! { (-0.78 → -1.35) Inaccuracy. h3 was best. } (12. h3 Bd7 13. b4 Bb6 14. Nd2 axb4 15. axb4 Ra3 16. Ne2 Be6 17. Ra1 Rfa8 18. Rxa3 Rxa3) 12... Bd4 13. h3?? { (-1.08 → -7.87) Blunder. Nb5 was best. } (13. Nb5 Bb6 14. Nc3 axb4 15. axb4 Qe6 16. Ra1 Qd7 17. Qb1 c6 18. b5 Rxa1 19. Qxa1 Rc8) 13... Bxf3 14. Bxf3 Bxc3 15. bxa5 Bxa5 16. Rxb7 Bb6 17. c3 Ra7 18. Rxa7 Bxa7 19. c4 Rb8 20. Qe2 Nc6 21. Bg4 Nd4 22. Qd2 Nf3+ 23. Bxf3 Qxf3 24. Re1 Qxg3+ 25. Kf1 Qxh3+ 26. Ke2 Rb3 27. f3 Bd4 28. Qc2 Qg2+ 29. Kd1 Qxf3+ 30. Re2?! { (-14.46 → Mate in 10) Checkmate is now unavoidable. Kc1 was best. } (30. Kc1 Rxa3) 30... Rxd3+?! { (Mate in 10 → -74.75) Lost forced checkmate sequence. Rxa3 was best. } (30... Rxa3 31. Qd2 Ra1+ 32. Kc2 Qh1 33. Re1 Rxe1 34. Kb3 Rb1+ 35. Ka4 Rb6 36. Qb4 Qd1+ 37. Ka3) 31. Ke1?! { (-74.75 → Mate in 1) Checkmate is now unavoidable. Qxd3 was best. } (31. Qxd3 Qxd3+) 31... Qh1# { Black wins by checkmate. } 0-1