[Event "casual correspondence game"] [Site "https://lichess.org/Z700ARfv"] [Date "2026.06.04"] [Round "-"] [White "lichess AI level 1"] [Black "CONCENTRATE1"] [Result "0-1"] [GameId "Z700ARfv"] [UTCDate "2026.06.04"] [UTCTime "17:07:09"] [WhiteElo "?"] [BlackElo "1500"] [Variant "Standard"] [TimeControl "-"] [ECO "C42"] [Opening "Petrov's Defense: Three Knights Game"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nc3 Nf6 2. e4 e5 3. Nf3 { C42 Petrov's Defense: Three Knights Game } g6 4. Nxe5 Qe7 5. f4 d6 6. Nc4 Bg7 7. e5 dxe5 8. b3 exf4+ 9. Ne3 O-O 10. h3 fxe3 11. dxe3 Be6 12. Qf3 Nd5 13. Bb2 Bxc3+ 14. Kd1 Bxb2 15. c4 Bxa1 16. Kc1 Nb4 17. Kb1 Bh8 18. Qf2 Bf5+ 19. Qxf5 gxf5 20. Bd3 Qe4 21. a3 Qxd3+ 22. Kc1 Qc2# { Black wins by checkmate. } 0-1