[Event "Rated rapid game"] [Site "https://lichess.org/LQ7Imvzz"] [Date "2021.01.12"] [White "off-by-one-error"] [Black "IvanAlexeevic"] [Result "0-1"] [UTCDate "2021.01.12"] [UTCTime "08:12:18"] [WhiteElo "1269"] [BlackElo "1280"] [WhiteRatingDiff "-32"] [BlackRatingDiff "+13"] [Variant "Standard"] [TimeControl "600+5"] [ECO "C44"] [Opening "Scotch Game"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. d4 { C44 Scotch Game } Bb4+ 4. c3 d6 5. cxb4 Nxb4 6. d5 b6 7. Bb5+ Bd7 8. Nc3 c5 9. Bg5 f6 10. Nxe5 dxe5 11. Bd2 Nd3+ 12. Ke2 Bxb5 13. Nxb5 c4 14. Qa4 Kf7 15. d6 f5 16. Qxc4+ Kg6 17. Qe6+ Nf6 18. Qxf5+ Kf7 19. Bg5 Qc8 20. d7 Qc2+ 21. Kf3 Qxf2# { Black wins by checkmate. } 0-1