[Event "IM ValeriyGrinev simul"] [Site "https://lichess.org/VyRvU6AH"] [Date "2022.08.31"] [White "MMaryan"] [Black "ValeriyGrinev"] [Result "0-1"] [UTCDate "2022.08.31"] [UTCTime "14:32:34"] [WhiteElo "2098"] [BlackElo "2287"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "1200+5"] [ECO "B41"] [Opening "Sicilian Defense: Kan Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 { B41 Sicilian Defense: Kan Variation } 5. Be2?! { (0.60 → 0.00) Inaccuracy. Bd3 was best. } (5. Bd3 Bc5 6. Nb3 Ba7 7. Qe2 Ne7 8. Be3 O-O 9. Bxa7 Rxa7) 5... Nf6 6. Bg5?! { (0.00 → -0.95) Inaccuracy. Nc3 was best. } (6. Nc3 Qc7 7. O-O Nc6 8. Be3 b5 9. Nxc6 dxc6 10. f4 e5) 6... Qa5+ 7. Bd2 Qb6 8. Nb3 Nxe4 9. Be3 Qc7 10. O-O d5 11. f3? { (-0.72 → -1.94) Mistake. c4 was best. } (11. c4 Nf6 12. Nc3 dxc4 13. Nd2 Nd5 14. Nxd5 exd5 15. Nf3 Be6 16. b3 c3 17. Bd4 Bd6) 11... Nf6 12. N1d2 Nc6 13. Kh1 Bd6 14. g3?! { (-2.02 → -3.32) Inaccuracy. f4 was best. } (14. f4) 14... h5 15. Kg2?! { (-2.73 → -3.81) Inaccuracy. c4 was best. } (15. c4 h4 16. g4 Bd7 17. Bg1 Bf4 18. Nc5 Ne5 19. Nxd7 Qxd7 20. cxd5 Nxd5 21. Ne4 O-O) 15... h4 16. f4?! { (-3.55 → -4.66) Inaccuracy. Bf2 was best. } (16. Bf2 Bd7 17. Rc1 hxg3 18. hxg3 e5 19. Rh1 O-O-O 20. c4 d4 21. c5 Be7 22. Bc4 Rxh1) 16... hxg3 17. hxg3 Bd7 18. c4 O-O-O 19. cxd5 Nxd5 20. Bf2 Bxf4 21. gxf4?? { (-5.22 → Mate in 12) Checkmate is now unavoidable. Rc1 was best. } (21. Rc1 Be3 22. Qe1 Rh6 23. Rh1 Rg6 24. Bc4 Bxf2 25. Qxf2 Kb8 26. Bxd5 exd5 27. Nd4 Rf6) 21... Nxf4+ 22. Kf3 e5? { (Mate in 8 → -7.13) Lost forced checkmate sequence. Ne5+ was best. } (22... Ne5+ 23. Kxf4 Rh3 24. Bf3 Ng4+ 25. Kxg4 e5+ 26. Kg5 f6+ 27. Kg6 Be8+ 28. Kf5 Qd7+ 29. Ke4) 23. Ne4?! { (-7.13 → -11.77) Inaccuracy. Bg3 was best. } (23. Bg3 Be6 24. Bc4 Bxc4 25. Nxc4 Rxd1 26. Raxd1 b5 27. Nd6+ Kb8 28. Ne4 Ka8 29. Rh1 Rxh1) 23... Bg4+ 24. Kxg4 f5+ 25. Kxf5?! { (-11.85 → Mate in 3) Checkmate is now unavoidable. Kf3 was best. } (25. Kf3 Rh3+ 26. Bg3 fxe4+ 27. Kxe4 Rxg3 28. Bg4+ Kb8 29. Rg1 Rxd1 30. Raxd1 Rxg1 31. Rxg1 Qd6) 25... Rxd1 26. Bxd1 Qf7+ 27. Kg4 Qh5+ 28. Kg3 Qh3# { Black wins by checkmate. } 0-1