[Event "Smejkal Arena"] [Site "https://lichess.org/dzqvGHA3"] [Date "2022.09.16"] [White "Derekisthebestatches"] [Black "bchristoff"] [Result "0-1"] [UTCDate "2022.09.16"] [UTCTime "13:38:47"] [WhiteElo "1420"] [BlackElo "1468"] [WhiteRatingDiff "-133"] [BlackRatingDiff "+19"] [Variant "Standard"] [TimeControl "420+0"] [ECO "A05"] [Opening "Zukertort Opening: Quiet System"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 Nf6 2. e3 { A05 Zukertort Opening: Quiet System } g6 3. Be2 Bg7 4. O-O Nc6 5. Kh1 e5 6. Ng1? { (0.05 → -1.10) Mistake. d4 was best. } (6. d4) 6... d5 7. Bf3?! { (-1.04 → -1.79) Inaccuracy. d4 was best. } (7. d4 O-O) 7... O-O 8. Nc3 Re8 9. Na4?! { (-1.26 → -2.43) Inaccuracy. d3 was best. } (9. d3 Be6 10. a4 h6 11. e4 a5 12. Bd2 Nb4 13. Nxd5 Nfxd5 14. exd5 Bxd5 15. h3 b6) 9... e4 10. Be2 Bf5? { (-2.53 → -1.11) Mistake. d4 was best. } (10... d4 11. d3 b6 12. dxe4 Nxe4 13. f3 Nd6 14. e4 f5 15. exf5 Bxf5 16. c3 Qh4 17. Bd3) 11. Nc5? { (-1.11 → -2.43) Mistake. d4 was best. } (11. d4) 11... b6 12. Nb7?? { (-2.18 → -7.94) Blunder. Nb3 was best. } (12. Nb3 d4) 12... Qe7 13. a4 Rab8 14. Na5 bxa5 15. Ra3 Qe5 16. Rc3 Bf8?? { (-8.96 → -1.04) Blunder. Qd6 was best. } (16... Qd6 17. d4 exd3 18. cxd3 Bd7 19. d4 Ne4 20. f3 Nxc3 21. bxc3 Nd8 22. f4 Bf5 23. Nf3) 17. Rxc6 Bd6?! { (-1.06 → -0.23) Inaccuracy. Rb6 was best. } (17... Rb6 18. Bb5 Rd8 19. Rxb6 axb6 20. f3 h5 21. Ne2 c5 22. d3 h4 23. Qe1 h3 24. g4) 18. Ba6?? { (-0.23 → Mate in 1) Checkmate is now unavoidable. f4 was best. } (18. f4 exf3) 18... Qxh2# { Black wins by checkmate. } 0-1