[Event "GM Zhigalko Sergei Stream 30s Arena"] [Site "https://lichess.org/1WDedGbp"] [Date "2023.06.26"] [White "Romaa2011"] [Black "Zhigalko_Sergei"] [Result "0-1"] [UTCDate "2023.06.26"] [UTCTime "18:36:08"] [WhiteElo "2666"] [BlackElo "3056"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "30+0"] [ECO "A04"] [Opening "Zukertort Opening: Herrstrom Gambit"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 g5? { (0.36 → 1.49) Mistake. d5 was best. } { A04 Zukertort Opening: Herrstrom Gambit } (1... d5 2. d4 Nf6 3. c4 e6 4. Nc3 dxc4 5. e4 Bb4 6. Bg5) 2. Nxg5 d5 3. d4 e5? { (1.82 → 3.41) Mistake. Nf6 was best. } (3... Nf6 4. Nf3 c5 5. c3 Bg7 6. g3 O-O 7. Bg2 cxd4 8. cxd4) 4. dxe5 Bb4+?! { (2.63 → 3.63) Inaccuracy. Nc6 was best. } (4... Nc6 5. e4 h6 6. exd5 hxg5 7. dxc6 Qxd1+ 8. Kxd1 g4 9. Bd3 bxc6 10. Nc3 Bg7 11. Bf4) 5. c3 Be7 6. Nf3 Nc6 7. h3 Bg4?? { (3.06 → 7.51) Blunder. f6 was best. } (7... f6 8. Bf4 fxe5 9. Nxe5 Nf6 10. g3 Nxe5 11. Bxe5 Be6 12. Qa4+ c6 13. Bg2 O-O 14. Nd2) 8. hxg4 d4 9. g3 d3 10. exd3 Qd7 11. d4 f6 12. Bd3 fxe5 13. Bf5 Qd5 14. c4 Qa5+ 15. Bd2 Bb4 16. d5 Rd8 17. dxc6 Bxd2+ 18. Nbxd2 bxc6 19. Qc2 Nf6 20. Be6 Rxd2 21. Qf5 Rxf2+ 22. Kxf2 Ke7 23. Kg2 Qb4 24. Rhe1 Qxb2+ 25. Re2?! { (16.22 → 7.66) Inaccuracy. Kf1 was best. } (25. Kf1) 25... Qxe2+ 26. Kh3 h5 27. Nxe5?? { (12.30 → Mate in 1) Checkmate is now unavoidable. g5 was best. } (27. g5) 27... hxg4# { Black wins by checkmate. } 0-1