[Event "Vidmar Memorial-03"]
[Site "Portoroz/Ljubljana"]
[Date "1975.06.05"]
[Round "4"]
[White "Osterman, Rudolf"]
[Black "Musil, Vojko"]
[Result "1/2-1/2"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 Be4 9. O-O O-O 10. Ne1 Bxg2 11. Nxg2 f5 12. Be3 Bf6 13. Rfd1 d6 14. Rac1 Nd7 15. Qb3 1/2-1/2