[Event "Vidmar Memorial-02"]
[Site "Ljubljana/Portoroz"]
[Date "1973.04.03"]
[Round "1"]
[White "Puc, Stojan"]
[Black "Osterman, Rudolf"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 g6 6. e4 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Bg5 O-O 10. Rc1 Be6 11. Qe3 Qa5 12. O-O Rfe8 13. a3 a6 14. Nd5 Bxd5 15. exd5 Rac8 16. b4 Qc7 17. Rfd1 b6 18. h3 a5 19. Bf1 Nd7 20. Qd2 axb4 21. axb4 Ra8 22. Be3 Rec8 23. Qe2 Rcb8 24. Rc2 Ra4 25. Rdc1 Rba8 1/2-1/2