[Event "2025 Winter Marathon"] [Site "https://lichess.org/c5fMHM56"] [Date "2025.12.28"] [Round "-"] [White "Magnetarian"] [Black "TGAONBESERK"] [Result "1-0"] [GameId "c5fMHM56"] [UTCDate "2025.12.28"] [UTCTime "07:02:17"] [WhiteElo "1954"] [BlackElo "1419"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-10"] [Variant "Standard"] [TimeControl "300+3"] [ECO "D00"] [Opening "Blackmar-Diemer Gambit Declined: O'Kelly Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. f3 Nf6 { D00 Blackmar-Diemer Gambit Declined: O'Kelly Defense } 5. fxe4 e5 6. d5 cxd5 7. exd5 Bb4 8. Bg5 Bxc3+ 9. bxc3 Qxd5 10. Qxd5 Nxd5 11. O-O-O Be6 12. c4 Nb6 13. Rd8# { White wins by checkmate. } 1-0