[Event "Vidmar Memorial-02"]
[Site "Ljubljana/Portoroz"]
[Date "1973.04.09"]
[Round "6"]
[White "Osterman, Rudolf"]
[Black "Parma, Bruno"]
[Result "0-1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 e6 4. g3 Nf6 5. Bg2 Be7 6. O-O d5 7. cxd5 Nxd5 8. d3 O-O 9. Bd2 b6 10. Rc1 Bb7 11. Qc2 Qd7 12. Rfd1 Rac8 13. Nxd5 exd5 14. e3 Bf6 15. a3 Nd8 16. Qb1 Ne6 17. h4 Qa4 18. Bc3 d4 19. Be1 dxe3 20. fxe3 Rcd8 21. Bf2 Bd5 22. Rd2 Rd7 23. e4 Bb3 24. e5 Be7 25. Rf1 Bd5 26. Qe1 Qc6 27. Be3 f5 28. exf6 Bxf6 29. Rdf2 Rdf7 30. Bh3 Qd6 31. Kh2 Bd8 32. Ng5 Nxg5 33. Bxg5 Rxf2+ 34. Rxf2 Rxf2+ 35. Qxf2 Bxg5 36. hxg5 Qe5 37. Qd2 Be6 38. d4 cxd4 39. Bxe6+ Qxe6 40. Qxd4 Qe2+ 41. Kg1 Kf7 42. b4 Qf3 43. Qd7+ Kg6 44. Kh2 Qf2+ 45. Kh1 Qxg3 46. Qxa7 Qh4+ 0-1