[Event "Dortmunder Schachtage-03"]
[Site "Dortmund"]
[Date "1975.04.11"]
[Round "10"]
[White "Ornstein, Axel"]
[Black "Bachmann, Karlheinz"]
[Result "1-0"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 c5 7. O-O cxd4 8. Nxd4 Nc6 9. Be3 a6 10. f3 Bd7 11. Nb3 Na5 12. Nd2 Rc8 13. Rc1 Nc6 14. Na4 Nb8 15. Nb6 Rc6 16. Qb3 Be6 17. Nd5 Qd7 18. a4 h5 19. a5 h4 20. h3 Nh5 21. Bg5 Bd4+ 22. Kh2 Rc5 23. Bxh4 Rxd5 24. cxd5 Bxh3 25. Bg5 f6 26. Be3 Bxe3 27. Qxe3 g5 28. f4 Bg4 29. fxg5 Kg7 30. gxf6+ exf6 31. Bxg4 Qxg4 32. Rc7+ Kg6 33. Qh3 Qg5 34. Rf5 1-0