[Event "2021 Summer Marathon"] [Site "https://lichess.org/mU9GPvpI"] [Date "2021.08.07"] [White "bhbyrf"] [Black "Mikhailov_Viacheslav"] [Result "0-1"] [UTCDate "2021.08.07"] [UTCTime "05:19:11"] [WhiteElo "1948"] [BlackElo "2671"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+0"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "60+0"] [ECO "B09"] [Opening "Pirc Defense: Austrian Attack, Unzicker Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 d6 2. Nc3 g6 3. f4?! { (0.51 → -0.24) Inaccuracy. d4 was best. } (3. d4 Bg7 4. Be3 a6 5. Nge2 b5 6. f3 Nd7 7. g4 b4) 3... Bg7? { (-0.24 → 0.86) Mistake. c5 was best. } (3... c5 4. Bb5+ Bd7 5. Nf3 Bxb5 6. Nxb5 Nf6 7. d3 Bg7 8. O-O) 4. Nf3?! { (0.86 → -0.01) Inaccuracy. d4 was best. } (4. d4 Nf6 5. Nf3 c5 6. Bb5+ Bd7 7. e5 Ng4 8. Bxd7+ Qxd7) 4... Nf6 5. d4 O-O 6. e5 { B09 Pirc Defense: Austrian Attack, Unzicker Attack } dxe5 7. fxe5 Nd5 8. Nxd5 Qxd5 9. c3 c5 10. Qb3 Qxb3 11. axb3 Bg4?? { (-0.97 → 1.58) Blunder. cxd4 was best. } (11... cxd4 12. cxd4 Nc6 13. Be3 Bf5 14. Bc4 Rfd8 15. Kf2 h6 16. Rhc1 Be4 17. Nd2 Bd5 18. Rd1) 12. Be3?? { (1.58 → -0.59) Blunder. dxc5 was best. } (12. dxc5 Nc6) 12... cxd4 13. cxd4 Nc6 14. h3 Bxf3?! { (-0.96 → -0.29) Inaccuracy. Bf5 was best. } (14... Bf5) 15. gxf3 Rfd8 16. Rd1 e6 17. Bb5 Ne7 18. Ke2?! { (-0.54 → -1.31) Inaccuracy. Bd3 was best. } (18. Bd3) 18... Nf5 19. Bf2?? { (-1.64 → -3.78) Blunder. Kf2 was best. } (19. Kf2) 19... a6 20. Bc4 b5 21. Bd3 Nxd4+ 22. Bxd4 Rxd4 23. Be4 Rad8 24. Rc1?! { (-4.68 → -7.53) Inaccuracy. Rxd4 was best. } (24. Rxd4) 24... Bxe5 25. Rc6?! { (-5.82 → -8.27) Inaccuracy. Rhd1 was best. } (25. Rhd1 Bf4 26. Rxd4 Rxd4 27. Ra1 Rd6 28. Rd1 Rb6 29. Rd7 Kg7 30. b4 Kf8 31. b3 h5) 25... Bf4 26. Ra1 Rd2+ 27. Kf1 Rh2 28. Kg1 Rdd2 29. Rc8+ Kg7 30. Rac1?! { (-13.62 → Mate in 2) Checkmate is now unavoidable. Re1 was best. } (30. Re1 Be5) 30... Be3+ 31. Kf1 Rh1# { Black wins by checkmate. } 0-1