[Event "Weekly Classical Arena"] [Site "https://lichess.org/rBr11ers"] [Date "2021.08.27"] [White "Velpeau"] [Black "Gianbuchi"] [Result "0-1"] [UTCDate "2021.08.27"] [UTCTime "18:43:56"] [WhiteElo "2100"] [BlackElo "2097"] [WhiteRatingDiff "-27"] [BlackRatingDiff "+68"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "B90"] [Opening "Sicilian Defense: Najdorf Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 { B90 Sicilian Defense: Najdorf Variation } 6. b3 e5 7. Nde2 Be7 8. Bb2 O-O 9. Qd2 Nc6 10. O-O-O Be6 11. f4 Ng4 12. Ng3? { (-0.24 → -1.36) Mistake. Re1 was best. } (12. Re1) 12... exf4 13. Nf5? { (-0.66 → -2.13) Mistake. Nh5 was best. } (13. Nh5 Ne3 14. Re1 Bg5 15. Ne2 d5 16. Bxg7 dxe4 17. Qxd8 Rfxd8 18. Bf6 Nb4 19. Bxg5 Nbxc2) 13... Bxf5 14. exf5 f3?? { (-1.46 → 3.29) Blunder. Ne3 was best. } (14... Ne3 15. Nd5 Nxd1 16. Qxd1 Ne5 17. Bd3 Rc8 18. Kb1 Bf6 19. Be4 b5 20. Nxf6+ Qxf6 21. Rf1) 15. Nd5?? { (3.29 → -4.83) Blunder. gxf3 was best. } (15. gxf3 Bg5) 15... Bg5 16. Nf4 fxg2?? { (-4.70 → -1.11) Blunder. Qa5 was best. } (16... Qa5 17. Qxa5) 17. Bxg2 Bf6?? { (-1.01 → 1.87) Blunder. Qa5 was best. } (17... Qa5 18. Qxa5 Nxa5 19. Rd4 Ne3 20. Kb1 Bxf4 21. Rxf4 Nxg2 22. Rg4 f6 23. Rxg2 Nc6 24. Rd1) 18. Ba3?? { (1.87 → -1.10) Blunder. Rhg1 was best. } (18. Rhg1 Bxb2+) 18... d5?? { (-1.10 → 2.61) Blunder. Rc8 was best. } (18... Rc8) 19. Bxd5?! { (2.61 → 1.96) Inaccuracy. h3 was best. } (19. h3 Nh6) 19... Qc7 20. Bxf8 Rxf8?! { (2.44 → 3.31) Inaccuracy. Qe5 was best. } (20... Qe5 21. c3) 21. Bxc6?? { (3.31 → 0.50) Blunder. Nh5 was best. } (21. Nh5 Rd8 22. Rhe1 h6 23. Kb1 Bg5 24. Qc3 Nf6 25. Nxf6+ Bxf6 26. Qc4 Qd7 27. Rd3 Qc7) 21... Qe7?? { (0.50 → 2.59) Blunder. Qe5 was best. } (21... Qe5 22. c3) 22. Nd3?? { (2.59 → -1.32) Blunder. c3 was best. } (22. c3 bxc6) 22... Bg5 23. Nf4 Qe5 24. Rdf1?? { (-1.02 → Mate in 1) Checkmate is now unavoidable. Kb1 was best. } (24. Kb1 Bxf4) 24... Qa1# { Black wins by checkmate. } 0-1