[Event "34.Schlosspark-Open"] [Site "Wiesbaden-Biebrich"] [Date "2025.08.31"] [Round "6.72"] [White "Diehl, Stefan"] [Black "Duizendstra, Ben"] [Result "1-0"] [ECO "A00"] [WhiteElo "1856"] [BlackElo "1591"] [PlyCount "73"] [EventDate "2025.08.28"] [WhiteTeam "SC 1910 Höchst"] [BlackTeam "SK Bad Schwalbach"] 1. f4 d5 2. Nf3 Nf6 3. e3 c6 4. b3 Bg4 5. h3 Bxf3 6. Qxf3 e6 7. Bb2 Bd6 8. Bd3 Nbd7 9. g3 Qc7 10. c4 e5 11. Bf5 Nc5 12. Qe2 g6 13. Bc2 O-O-O 14. O-O Rhe8 15. b4 Ncd7 16. c5 Be7 17. a4 exf4 18. Rxf4 Nh5 19. Rxf7 Qxg3+ 20. Qg2 Qxg2+ 21. Kxg2 Ndf6 22. Be5 Rd7 23. d4 Rf8 24. Rxf8+ Bxf8 25. Nc3 b6 26. Rf1 Bg7 27. Bd1 Kb7 28. b5 Ne4 29. Nxe4 Bxe5 30. Nc3 Bc7 31. bxc6+ Kxc6 32. Be2 Kb7 33. c6+ Kxc6 34. Bb5+ Kd6 35. Bxd7 Kxd7 36. Rf7+ Kc6 37. Nxd5 1-0