[Event "Vidmar Memorial-03"]
[Site "Portoroz/Ljubljana"]
[Date "1975.06.10"]
[Round "8"]
[White "Osterman, Rudolf"]
[Black "Ribli, Zoltan"]
[Result "0-1"]

1. Nf3 g6 2. c4 Bg7 3. Nc3 c5 4. g3 Nc6 5. Bg2 e6 6. O-O Nge7 7. d3 O-O 8. Bd2 b6 9. Qc1 d5 10. cxd5 exd5 11. Bh6 d4 12. Ne4 Nd5 13. a3 Bb7 14. Bxg7 Kxg7 15. Re1 Re8 16. h4 h6 17. Qc2 f5 18. Ned2 f4 19. Ne4 fxg3 20. Nxg3 Nf4 21. Qd2 Nxg2 22. Kxg2 Ne5 23. Rh1 Bxf3+ 24. exf3 Qf6 25. f4 Qc6+ 26. Kh3 Qe6+ 27. f5 gxf5 28. f4 Ng4 29. Rae1 Ne3 30. Rhg1 Kh7 31. Nh5 Rg8 0-1