[Event "Dortmunder Schachtage-03"]
[Site "Dortmund"]
[Date "1975.04.10"]
[Round "9"]
[White "Pytel, Krzysztof"]
[Black "Ornstein, Axel"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O Bxc3 8. bxc3 d6 9. Nd2 e5 10. e4 Qe7 11. Re1 Nc6 12. Nb3 Nd7 13. a4 a5 14. Ba3 Nd8 15. c5 bxc5 16. dxc5 Nxc5 17. Nxc5 dxc5 18. Rb1 Bc6 19. Bb5 Bxb5 20. Rxb5 Ne6 21. g3 Rfd8 22. Qe2 c6 23. Rb6 Qd7 24. Qe3 c4 25. h4 h6 26. Qe2 Qd3 27. Rxc6 Qxc3 28. Bb2 Qb3 29. Rxc4 Nd4 30. Bxd4 exd4 31. Rec1 d3 32. Qd2 Rd7 33. R1c3 Qb1+ 34. Rc1 Qb3 35. R1c3 Qb1+ 1/2-1/2