[Event "Vidmar Memorial-03"]
[Site "Portoroz/Ljubljana"]
[Date "1975.06.02"]
[Round "1"]
[White "Ljubojevic, Ljubomir"]
[Black "Osterman, Rudolf"]
[Result "1-0"]

1. b3 Nf6 2. Bb2 c5 3. e3 Nc6 4. f4 d5 5. Nf3 g6 6. Bb5 Bd7 7. Nc3 a6 8. Bxc6 Bxc6 9. Ne5 Rc8 10. Qf3 e6 11. O-O Bg7 12. Ne2 O-O 13. d3 b5 14. Nxc6 Rxc6 15. e4 dxe4 16. dxe4 Qb6 17. Rad1 Rcc8 18. f5 exf5 19. exf5 c4+ 20. Bd4 Qc6 21. Nc3 Qxf3 22. Rxf3 cxb3 23. cxb3 Rcd8 24. h3 b4 25. Bxf6 Rxd1+ 26. Nxd1 Bxf6 27. Kf1 Kg7 28. Ne3 Rd8 29. Ke2 h5 30. Nc4 Rd5 31. fxg6 fxg6 32. Rd3 Bd4 33. Kf3 Rf5+ 34. Ke4 Bc3 35. a4 Rf2 36. g3 Rc2 37. Kd5 Be1 38. Re3 Bf2 39. Rf3 h4 40. gxh4 Bxh4 41. Ne5 Rc3 42. Ke4 Rc2 43. Nd3 a5 44. Ne5 Rc7 45. Rd3 Be7 46. Nc4 Kh6 47. Rd5 g5 48. Rxa5 Kh5 49. Ra8 Bf6 50. a5 Kh4 51. a6 Kxh3 52. a7 1-0