[Event "Final - 30.10.2021"] [Site "https://lichess.org/BJjS7PKP"] [Date "2021.10.30"] [White "PetrKostenko"] [Black "KonstantinKazakov"] [Result "0-1"] [UTCDate "2021.10.30"] [UTCTime "12:31:59"] [WhiteElo "2560"] [BlackElo "2515"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+7"] [WhiteTitle "GM"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "600+2"] [ECO "B39"] [Opening "Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 { B39 Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation } 8. Qxg4 Nxd4 9. Qd1 e5 10. Bd3 O-O 11. O-O d6 12. Nb5 Nxb5 13. cxb5 Be6 14. Qa4 Qd7 15. Rfd1 Rfc8 16. Rac1 Rxc1 17. Rxc1 d5? { (1.17 → 2.46) Mistake. Bf6 was best. } (17... Bf6) 18. exd5 Bxd5 19. Bc4?? { (2.55 → 0.50) Blunder. Rd1 was best. } (19. Rd1 Qe8) 19... Qg4 20. f4?? { (1.05 → Mate in 1) Checkmate is now unavoidable. f3 was best. } (20. f3 Bxf3) 20... Qxg2# { Black wins by checkmate. } 0-1