[Event "NM JKCM simul"] [Site "https://lichess.org/VxLnI6Ig"] [Date "2020.12.04"] [White "JKCM"] [Black "COCROW"] [Result "0-1"] [UTCDate "2020.12.04"] [UTCTime "22:12:26"] [WhiteElo "1903"] [BlackElo "1124"] [WhiteTitle "NM"] [Variant "Standard"] [TimeControl "300+10"] [ECO "B31"] [Opening "Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 { B31 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation } 4. Nc3 a6?! { (0.00 → 0.79) Inaccuracy. Bg7 was best. } (4... Bg7 5. O-O Nd4 6. Ba4 Nf6 7. e5 Nh5 8. d3 Nxf3+ 9. Qxf3) 5. Bxc6 bxc6 6. d3 Bh6?? { (-0.17 → 2.31) Blunder. Bg7 was best. } (6... Bg7 7. O-O e5 8. Bd2 d6 9. Rb1 Nf6 10. Na4 O-O 11. b3) 7. Bxh6 Nxh6 8. Qd2 Ng4 9. h3 Nf6 10. O-O-O O-O 11. Qh6 Qa5?? { (3.13 → 13.09) Blunder. e5 was best. } (11... e5) 12. Kb1?? { (13.09 → 1.18) Blunder. e5 was best. } (12. e5) 12... Rb8 13. Ka1?! { (0.92 → 0.00) Inaccuracy. Qd2 was best. } (13. Qd2 d6) 13... d5?? { (0.00 → 4.94) Blunder. Rxb2 was best. } (13... Rxb2 14. Kxb2 Qb4+ 15. Kc1 Qxc3 16. e5 Nd5 17. Ng5 Qa3+ 18. Kd2 Qc3+) 14. e5 d4?? { (3.98 → Mate in 8) Checkmate is now unavoidable. Rxb2 was best. } (14... Rxb2 15. Kxb2) 15. exf6?! { (Mate in 8 → 10.71) Lost forced checkmate sequence. Ng5 was best. } (15. Ng5 dxc3 16. exf6 cxb2+ 17. Kb1 Qxa2+ 18. Kxa2 b1=Q+ 19. Rxb1 Be6+ 20. Nxe6 Rb2+ 21. Rxb2 fxe6) 15... exf6 16. Ne2?? { (10.51 → 4.26) Blunder. Ne4 was best. } (16. Ne4 Qd8 17. Nfg5 fxg5 18. Nxg5 Qxg5 19. Qxg5 Be6 20. Qxc5 Rfd8 21. Kb1 Rbc8 22. Qb6 a5) 16... Be6 17. h4?? { (4.13 → Mate in 1) Checkmate is now unavoidable. Nc1 was best. } (17. Nc1 Qb6 18. Nb3 a5 19. Nh2 f5 20. Nf3 f6 21. Rde1 Bf7 22. h4 Rb7 23. Rb1 a4) 17... Qxa2# { Black wins by checkmate. } 0-1