[Event "Rated rapid game"] [Site "https://lichess.org/12i7HWOQ"] [Date "2018.02.22"] [White "OAST"] [Black "hiroshi1298"] [Result "1-0"] [UTCDate "2018.02.22"] [UTCTime "17:54:47"] [WhiteElo "1548"] [BlackElo "852"] [WhiteRatingDiff "+3"] [BlackRatingDiff "-1"] [Variant "Standard"] [TimeControl "300+5"] [ECO "D10"] [Opening "Slav Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 c6 3. Nc3 { D10 Slav Defense } Nd7?! { (0.02 → 0.76) Inaccuracy. Nf6 was best. } (3... Nf6 4. cxd5 cxd5 5. Nf3 Nc6 6. Bf4 Nh5 7. Bd2 Nf6 8. e3) 4. e3 Ndf6?! { (0.27 → 0.89) Inaccuracy. Ngf6 was best. } (4... Ngf6 5. Nf3 e6 6. Bd3 b6 7. O-O Bb7 8. b3 Bd6 9. Bb2) 5. Nf3 e6 6. Bd2 Ne7 7. Be2 b6 8. O-O Ba6 9. Qa4 b5?? { (0.62 → 5.62) Blunder. Bb7 was best. } (9... Bb7 10. Qc2) 10. Qxa6 Qc8 11. Qxc8+ Rxc8 12. cxb5 cxb5 13. Nxb5 Nc6 14. a3 a6 15. Nc3 Be7 16. Bxa6 Ra8 17. Bb7 Rb8 18. Bxc6+ Nd7 19. Bxd7+ Kxd7 20. Ne5+ Kd6 21. b4 Kc7 22. Na4 Ra8 23. Rfc1+ Kb7 24. Nc5+ Kb6 25. Ned7+ Kc7 26. Ne5 Rhc8 27. Nxf7 Kb8 28. e4 dxe4 29. Bf4+ Rc7 30. Na6+ Rxa6 31. Rxc7 e5 32. Bxe5 Bf6?! { (19.54 → Mate in 8) Checkmate is now unavoidable. Bd6 was best. } (32... Bd6) 33. Rac1 Bg5 34. Rc8+ Kb7 35. R1c7+ Kb6 36. a4 Rxa4 37. Rc6+ Kb7?! { (22.12 → Mate in 5) Checkmate is now unavoidable. Kb5 was best. } (37... Kb5 38. Nxg5) 38. R8c7+ Kb8 39. Rb6+ Ka8 40. Rcb7?? { (Mate in 8 → Mate in 1) Lost forced checkmate sequence. g3 was best. } (40. g3 e3 41. Rd7 exf2+ 42. Kxf2 Ra2+ 43. Kf1 Ra1+ 44. Kg2 Ra2+ 45. Kh3 Rxh2+ 46. Kxh2 h6) 40... Ra7?? { (Mate in 1 → Mate in 1) Lost forced checkmate sequence. Ra1# was best. } (40... Ra1#) 41. Rb8# { White wins by checkmate. } 1-0