[Event "Sparkassen-Open A"] [Site "Heusenstamm, Martinsee"] [Date "2025.11.21"] [Round "3.100"] [White "Diehl, Stefan"] [Black "Kirchmann, Sascha"] [Result "0-1"] [ECO "A00"] [WhiteElo "1832"] [BlackElo "1890"] [PlyCount "60"] [EventDate "2025.11.20"] [WhiteTeam "SC 1910 Höchst"] [BlackTeam "SAbt SU Mühlheim"] 1. f4 d5 2. Nf3 Nf6 3. e3 e6 4. b3 Be7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. Qe1 Nd7 9. Qg3 Bf6 10. Ne5 Qc7 11. d4 cxd4 12. exd4 Qb6 13. Nxc6 bxc6 14. c3 c5 15. dxc5 Nxc5 16. Kh1 Ne4 17. Qe1 Bb7 18. Bd3 Rac8 19. Bxe4 dxe4 20. Nd2 Bxc3 21. Bxc3 Rxc3 22. Nc4 Qd4 23. Rf2 Ba6 24. Rd1 Rd3 25. Rc1 Bxc4 26. bxc4 e3 27. Rf1 Rd2 28. h3 e2 29. Rg1 Rxa2 30. g3 Rd8 0-1