[Event "Niedzielny Turniej Sigma Szach"] [Site "https://lichess.org/R51zu5dS"] [Date "2025.11.30"] [Round "-"] [White "Ivan201524"] [Black "Blackwarrior84"] [Result "1-0"] [GameId "R51zu5dS"] [UTCDate "2025.11.30"] [UTCTime "18:22:51"] [WhiteElo "1602"] [BlackElo "1537"] [WhiteRatingDiff "+12"] [BlackRatingDiff "-80"] [Variant "Standard"] [TimeControl "600+2"] [ECO "E30"] [Opening "Nimzo-Indian Defense: Leningrad Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 { E30 Nimzo-Indian Defense: Leningrad Variation } h6 5. Bh4 g5 6. Bg3 Nc6 7. d5 exd5 8. cxd5 Nd4 9. Qxd4 c5 10. Qe5+ Qe7 11. d6 Qxe5 12. Bxe5 Ne4 13. Bxh8 Bxc3+ 14. bxc3 Nxc3 15. Bxc3 b6 16. Nf3 Ba6 17. Bf6 Bc4 18. O-O-O Bxa2 19. e4 Be6 20. e5 a5 21. Bb5 a4 22. h4 a3 23. Kb1 a2+ 24. Ka1 Ra5 25. hxg5 hxg5 26. Rh8# { White wins by checkmate. } 1-0