[Event "Rated correspondence game"] [Site "https://lichess.org/KPlbFMvA"] [Date "2024.05.17"] [White "RJF11970"] [Black "mate-in-four"] [Result "1-0"] [UTCDate "2024.05.17"] [UTCTime "09:22:40"] [WhiteElo "2554"] [BlackElo "2488"] [WhiteRatingDiff "+8"] [BlackRatingDiff "-5"] [Variant "Standard"] [TimeControl "-"] [ECO "B32"] [Opening "Sicilian Defense: Kalashnikov Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 { B32 Sicilian Defense: Kalashnikov Variation } 6. c4 g6 7. N1c3 a6 8. Na3 Bg7 9. Nc2 Be6 10. Be3 f5 11. Nd5 f4?? { (0.33 → 2.52) Blunder. Bxd5 was best. } (11... Bxd5) 12. Bb6 { Black resigns. } 1-0