[Event "1st BC18 Intraclass Cup Arena"] [Site "https://lichess.org/k1JoWUoQ"] [Date "2025.09.05"] [Round "-"] [White "cosmos30"] [Black "isaruki"] [Result "0-1"] [GameId "k1JoWUoQ"] [UTCDate "2025.09.05"] [UTCTime "01:32:28"] [WhiteElo "1686"] [BlackElo "1312"] [WhiteRatingDiff "-134"] [BlackRatingDiff "+171"] [Variant "Standard"] [TimeControl "600+0"] [ECO "A02"] [Opening "Bird Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. f4 { A02 Bird Opening } e6 2. e3 f5 3. Nc3 Nf6 4. Bb5 c6 5. Ba4 b5 6. Bb3 Na6 7. d4 c5 8. Nce2 Bb7 9. Qd3 c4 10. Qc3 Ne4 11. Qb4 Nxb4 12. c3 Nd3+ 13. Kd1 Nef2+ 14. Kd2 Be4 15. d5 cxb3 16. axb3 Nxh1 17. Nd4 Bxg2 18. b4 Qh4 19. Nxb5 Ne1 20. Ne2 Nf3+ 21. Kc2 Ne1+ 22. Kb3 Rb8 23. Nd6+ Bxd6 24. Ng1 Nd3 25. Ka3 Rb6 26. Nf3 Bxf3 27. b3 Ra6# { Black wins by checkmate. } 0-1