[Event "Rated classical game"] [Site "https://lichess.org/CI4xbbFE"] [Date "2019.11.07"] [White "gabrielcostasc"] [Black "iso-octane"] [Result "1-0"] [UTCDate "2019.11.07"] [UTCTime "02:36:25"] [WhiteElo "1332"] [BlackElo "1257"] [WhiteRatingDiff "+104"] [BlackRatingDiff "-9"] [Variant "Standard"] [TimeControl "900+15"] [ECO "B40"] [Opening "Sicilian Defense: Four Knights Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 { B40 Sicilian Defense: Four Knights Variation } 6. Bc4 Bb4 7. a3? { (0.35 → -0.90) Mistake. O-O was best. } (7. O-O Bxc3 8. bxc3 Nxe4 9. Nxc6 bxc6 10. Bd3 Nf6 11. c4 O-O) 7... Bxc3+ 8. bxc3 Nxe4 9. Nxc6 bxc6 10. O-O Nxc3 11. Qd2 Ne4 12. Qe3 d5 13. Rd1?? { (-1.09 → -3.44) Blunder. Bd3 was best. } (13. Bd3 Nd6) 13... O-O? { (-3.44 → -1.92) Mistake. Qf6 was best. } (13... Qf6) 14. Qxe4?? { (-1.92 → -4.22) Blunder. a4 was best. } (14. a4 e5 15. Bd3 f5 16. Ba3 Re8 17. Bxe4 fxe4 18. Rab1 Ba6 19. Bc5 Qa5 20. Qa3 Be2) 14... dxe4 15. Rxd8 Rxd8 16. f3 exf3 17. gxf3 Bb7 18. Bg5 Rd2?? { (-4.51 → 4.30) Blunder. Rd4 was best. } (18... Rd4) 19. Bxd2 Rd8 20. Rd1 c5 21. a4? { (4.05 → 2.23) Mistake. Kf2 was best. } (21. Kf2 e5 22. Be2 a6 23. c4 f5 24. Be3 Rxd1 25. Bxd1 Kf7 26. Bxc5 Bc6 27. Be3 f4) 21... Bxf3 22. Rb1 h6 23. Kf2? { (2.28 → 0.71) Mistake. Be3 was best. } (23. Be3 Be4 24. a5 Bxc2 25. Rb7 a6 26. Ra7 Rd1+ 27. Kf2 Ra1 28. Ra8+ Kh7 29. Rxa6 Bg6) 23... Rxd2+ 24. Kxf3 Rxh2? { (0.55 → 1.95) Mistake. g5 was best. } (24... g5 25. Rb8+ Kg7 26. Rb7 Kf6 27. Be2 a5 28. c4 Ra2 29. Rc7 Rxa4 30. Ke4 h5 31. Rxc5) 25. Bd3? { (1.95 → 0.43) Mistake. Kg3 was best. } (25. Kg3 Rh5) 25... c4?? { (0.43 → Mate in 1) Checkmate is now unavoidable. g5 was best. } (25... g5 26. Rb8+ Kg7 27. Rb7 h5 28. Kg3 Rh4 29. Be2 a5 30. Ra7 Kg6 31. Rxa5 f5 32. Ra8) 26. Bxc4?? { (Mate in 1 → 1.21) Lost forced checkmate sequence. Rb8# was best. } (26. Rb8#) 26... Rxc2?? { (1.21 → 9.71) Blunder. g5 was best. } (26... g5 27. Bd3) 27. Bd3?? { (9.71 → 0.34) Blunder. Rb8+ was best. } (27. Rb8+ Kh7 28. Bd3+ f5 29. Bxc2 Kg6 30. Rb7 e5 31. Rxa7 h5 32. Bb3 h4 33. Rf7 h3) 27... Rc3?? { (0.34 → Mate in 2) Checkmate is now unavoidable. Rc8 was best. } (27... Rc8 28. a5 g5 29. Kg2 h5 30. Rb7 Rc3 31. Bf1 a6 32. Bxa6 Rc2+ 33. Kf1 Ra2 34. Be2) 28. Ke3?? { (Mate in 2 → -0.81) Lost forced checkmate sequence. Rb8+ was best. } (28. Rb8+ Rc8 29. Rxc8#) 28... h5?? { (-0.81 → Mate in 2) Checkmate is now unavoidable. g5 was best. } (28... g5 29. Rb7 a5 30. Kd2 Ra3 31. Be2 Rxa4 32. Bh5 Rf4 33. Ke3 Kg7 34. Ra7 a4 35. Bd1) 29. Rb8+ Rc8 30. Rxc8# { White wins by checkmate. } 1-0