[Event "Hourly UltraBullet Arena"] [Site "https://lichess.org/gB0o02sR"] [Date "2020.05.07"] [White "IgorKowalski"] [Black "joNnyrolstoel"] [Result "0-1"] [UTCDate "2020.05.07"] [UTCTime "10:38:56"] [WhiteElo "2227"] [BlackElo "2178"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+8"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "15+0"] [ECO "A05"] [Opening "Zukertort Opening: Quiet System"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 Nf6 2. e3 { A05 Zukertort Opening: Quiet System } d6 3. d4 Nbd7 4. Be2 e5 5. O-O e4 6. Nfd2 d5 7. c4 c6 8. Nc3 Bd6 9. cxd5 cxd5 10. Nb3?! { (0.61 → -0.47) Inaccuracy. f3 was best. } (10. f3 exf3) 10... h5?! { (-0.47 → 0.08) Inaccuracy. O-O was best. } (10... O-O) 11. f4?! { (0.08 → -0.77) Inaccuracy. h3 was best. } (11. h3 Nb6) 11... exf3 12. Bxf3? { (-0.54 → -2.23) Mistake. Rxf3 was best. } (12. Rxf3) 12... Bxh2+ 13. Kxh2 Ng4+ 14. Kg3?? { (-2.00 → Mate in 4) Checkmate is now unavoidable. Bxg4 was best. } (14. Bxg4 hxg4+ 15. Kg1 Qh4 16. Rf4 Nf6 17. Kf1 Nh5 18. Ke2 Qh2 19. Qe1 Nxf4+ 20. exf4 Kf8) 14... Qc7+ 15. Kh4 Qh2+ 16. Kg5 f6+ 17. Kg6 Nf8+ 18. Kxg7 Rh7+ 19. Kg8 Be6# { Black wins by checkmate. } 0-1