[Event "casual correspondence game"] [Site "https://lichess.org/ASsQ7Nj1"] [Date "2026.04.30"] [Round "-"] [White "Ruediger-1953"] [Black "Ullermann"] [Result "0-1"] [GameId "ASsQ7Nj1"] [UTCDate "2026.04.30"] [UTCTime "16:03:56"] [WhiteElo "1500"] [BlackElo "1654"] [Variant "Standard"] [TimeControl "-"] [ECO "C42"] [Opening "Petrov's Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nf6 { C42 Petrov's Defense } 3. d3 d6 4. h3 Nc6 5. c3 h6 6. a4 Be6 7. b4 d5 8. b5 Na5 9. Nxe5 Bd6 10. Nf3 O-O 11. Nd4 Bd7 12. g4 c6 13. g5 hxg5 14. h4 Bg4 15. Be2 Bxe2 16. Qxe2 g4 17. Bg5 dxe4 18. Bxf6 Qxf6 19. Qxe4 Rae8 20. O-O Rxe4 21. dxe4 Qe5 22. Nd2 Qh2# { Black wins by checkmate. } 0-1