[Event "Vidmar Memorial-04"]
[Site "Ljubljana/Portoroz"]
[Date "1977.06.09"]
[Round "7"]
[White "Sigurjonsson, Gudmundur"]
[Black "Sax, Gyula"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2565"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 f5 11. exf5 Bxf5 12. c3 Be6 13. Nc2 Bh6 14. a4 O-O 15. axb5 axb5 16. Rxa8 Qxa8 17. Bxb5 Nd4 18. Nf6+ Kh8 19. Nxd4 Qxg2 20. Qf3 Qg5 21. Ne2 e4 22. Nxe4 Qxb5 23. Rg1 f6 24. Nd4 Qxb2 25. Nxe6 Qb1+ 26. Ke2 Qa2+ 27. Kf1 Qxe6 1/2-1/2