[Event "Casual correspondence game"] [Site "https://lichess.org/81DFQedu"] [Date "2020.12.31"] [White "Kayhan09"] [Black "Yopi13"] [Result "1-0"] [UTCDate "2020.12.31"] [UTCTime "20:47:59"] [WhiteElo "1328"] [BlackElo "1500"] [Variant "Standard"] [TimeControl "-"] [ECO "C42"] [Opening "Petrov's Defense: Three Knights Game"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 Nf6 2. Nc3 e5 3. Nf3 { C42 Petrov's Defense: Three Knights Game } d6 4. d4 Bg4?! { (0.36 → 1.38) Inaccuracy. exd4 was best. } (4... exd4 5. Nxd4 Nc6 6. Bf4 Be7 7. Qd3 Nxd4 8. Qxd4 O-O 9. O-O-O) 5. dxe5 dxe5? { (1.10 → 2.34) Mistake. Bxf3 was best. } (5... Bxf3 6. gxf3 dxe5 7. Qxd8+ Kxd8 8. f4 Bd6 9. fxe5 Bxe5 10. Rg1) 6. Nd5?? { (2.34 → -2.50) Blunder. Qxd8+ was best. } (6. Qxd8+ Kxd8 7. Nxe5 Be6 8. f4 Nfd7 9. Nxd7 Bxd7 10. e5 Nc6) 6... Bc5?? { (-2.50 → 0.00) Blunder. Nxe4 was best. } (6... Nxe4 7. Bc4 c6 8. Nc3 Qxd1+ 9. Nxd1 f6 10. Ne3 Nd6 11. Bb3 Bc8 12. Nc4 Nxc4 13. Bxc4) 7. Bb5+ c6 8. Nxf6+ Qxf6 9. Bg5?? { (-0.18 → -5.15) Blunder. Bc4 was best. } (9. Bc4) 9... Qg6?? { (-5.15 → Mate in 1) Checkmate is now unavoidable. Qxg5 was best. } (9... Qxg5 10. Nxg5) 10. Qd8# { White wins by checkmate. } 1-0