[Event "Vidmar Memorial-02"]
[Site "Ljubljana/Portoroz"]
[Date "1973.04.07"]
[Round "4"]
[White "Osterman, Rudolf"]
[Black "Ciocaltea, Victor"]
[Result "1/2-1/2"]

1. e4 g6 2. d4 c6 3. Nf3 Bg7 4. c3 d5 5. Nbd2 Nh6 6. Bd3 O-O 7. O-O f6 8. Re1 Nf7 9. Bc2 Na6 10. Bb3 Nc7 11. h3 a5 12. a4 e6 13. c4 Na6 14. exd5 exd5 15. cxd5 cxd5 16. Nf1 Nb4 17. Bf4 Bf5 18. Bh2 Rc8 19. Ne3 Be4 20. Qe2 Re8 21. Rec1 Nc6 22. Rd1 Kh8 23. Rd2 Bh6 24. Re1 Re7 25. Rdd1 Bxe3 26. fxe3 Nb4 27. Rd2 Nd6 28. Nh4 Rec7 29. Rf1 Rc1 30. Rdd1 Rxd1 31. Qxd1 Nf5 32. Nxf5 gxf5 33. Bg3 Qg8 34. Kh2 Qg5 35. Rf3 Rg8 36. Qf1 Bxf3 37. Qxf3 f4 38. Bxf4 Qf5 39. Bd1 Qe4 40. Qf1 Rg6 41. Bh5 1/2-1/2