[Event "rated rapid game"] [Site "https://lichess.org/gOoGAIXE"] [Date "2026.06.02"] [Round "-"] [White "Koepper"] [Black "Arianna_67"] [Result "1-0"] [GameId "gOoGAIXE"] [UTCDate "2026.06.02"] [UTCTime "05:50:25"] [WhiteElo "1902"] [BlackElo "1883"] [WhiteRatingDiff "+6"] [BlackRatingDiff "-6"] [Variant "Standard"] [TimeControl "600+5"] [ECO "D37"] [Opening "Queen's Gambit Declined: Harrwitz Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 { D37 Queen's Gambit Declined: Harrwitz Attack } c6 6. e3 Qb6 7. Qc2 Nbd7 8. Bd3 O-O 9. c5 Qd8 10. O-O b6 11. b4 a5 12. a3 Bb7 13. Ne5 h6 14. f3 Re8 15. Rfd1 axb4 16. axb4 Rxa1 17. Rxa1 Qc8 18. Nxf7 Kxf7 19. Bg6+ Kg8 20. Bxe8 Qxe8 21. Ra7 Qc8 22. Na4 bxc5 23. bxc5 Ba6 24. Qb2 Bb5 25. Nc3 Bc4 26. Qb7 Qf8 27. Be5 Bd8 28. Ra8 Kh7 29. Bd6 Qe8 30. Qc8 Ba5 31. Qxe8 Nxe8 32. Rxa5 Nef6 33. Ra7 Kg6 34. e4 dxe4 35. fxe4 Bd3 36. e5 Nxc5 37. exf6 Ne4 38. Nxe4 Bxe4 39. Rxg7+ Kxf6 40. Be5+ Kf5 41. g4# { White wins by checkmate. } 1-0