[Event "2021 Summer Marathon"] [Site "https://lichess.org/hQbF9SJ9"] [Date "2021.08.07"] [White "PchelkinVK"] [Black "janmskak64"] [Result "0-1"] [UTCDate "2021.08.07"] [UTCTime "23:19:01"] [WhiteElo "2692"] [BlackElo "2029"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+11"] [WhiteTitle "CM"] [Variant "Standard"] [TimeControl "60+0"] [ECO "A40"] [Opening "Mikenas Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nc6?! { (0.00 → 0.63) Inaccuracy. e6 was best. } { A40 Mikenas Defense } (1... e6 2. c4 d5 3. Nf3 Nf6 4. cxd5 exd5 5. Bf4 c5 6. Nc3) 2. d5 Ne5 3. f4 d6?? { (0.78 → 5.72) Blunder. Ng6 was best. } (3... Ng6 4. e4 e5 5. dxe6 dxe6 6. Qxd8+ Kxd8 7. Nc3 Bc5 8. Nf3) 4. fxe5 dxe5 5. Nc3 f5 6. Nf3 Nf6?! { (5.10 → 6.87) Inaccuracy. e4 was best. } (6... e4 7. Nd4) 7. Nxe5 Qd6 8. Bf4 Qb6 9. Qd2 c5 10. dxc6 bxc6 11. O-O-O Be6 12. e3 Rb8 13. Bc4?? { (9.32 → Mate in 1) Checkmate is now unavoidable. Na4 was best. } (13. Na4 Qb4) 13... Qxb2# { Black wins by checkmate. } 0-1