[Event "Hanover Online Swiss - Week 41"] [Site "https://lichess.org/3QMKooA5"] [Date "2021.02.25"] [White "hoshiboshi"] [Black "modernpetrosian"] [Result "1-0"] [UTCDate "2021.02.25"] [UTCTime "00:34:45"] [WhiteElo "2232"] [BlackElo "2334"] [WhiteRatingDiff "+15"] [BlackRatingDiff "-9"] [Variant "Standard"] [TimeControl "420+3"] [ECO "B28"] [Opening "Sicilian Defense: O'Kelly Variation, Normal System"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 a6 3. d4 { B28 Sicilian Defense: O'Kelly Variation, Normal System } cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 d5?! { (-0.28 → 0.28) Inaccuracy. Bxc3+ was best. } (7... Bxc3+ 8. bxc3 O-O 9. O-O d6 10. f4 Be6 11. f5 Bd7 12. Qe2) 8. exd5 Nxd5 9. O-O Nxc3 10. bxc3 Bxc3 11. Ba3?! { (0.31 → -0.48) Inaccuracy. Rb1 was best. } (11. Rb1 Nc6 12. Qh5 Bb4 13. Be4 Qc7 14. Be3 Bd6 15. Rfd1 g6 16. Qf3 O-O 17. Bh6 Re8) 11... b5?? { (-0.48 → 2.27) Blunder. Nc6 was best. } (11... Nc6) 12. Qf3 Ra7 13. Bc5 Bb7?? { (2.41 → 6.39) Blunder. Rc7 was best. } (13... Rc7 14. Rad1) 14. Bxb5+ axb5 15. Qxc3 Ra6 16. Qxe5+ Re6 17. Qxg7 Qf6 18. Qg3 Nd7 19. Bd4 Ne5 20. f4 Qh6 21. f5 Kf8 22. fxe6 Rg8?! { (17.80 → Mate in 3) Checkmate is now unavoidable. Qxe6 was best. } (22... Qxe6 23. Bxe5) 23. e7+?! { (Mate in 3 → 23.43) Lost forced checkmate sequence. Bc5+ was best. } (23. Bc5+ Ke8 24. Qxg8+ Qf8 25. Qxf8#) 23... Kxe7 24. Bc5+ Ke6 25. Qxg8 Be4?! { (24.18 → Mate in 6) Checkmate is now unavoidable. Bf3 was best. } (25... Bf3 26. Qe8+) 26. Rad1 Bc6 27. Rd6+ { Black resigns. } 1-0