[Event "Vidmar Memorial-02"]
[Site "Ljubljana/Portoroz"]
[Date "1973.04.13"]
[Round "9"]
[White "Radulov, Ivan"]
[Black "Smejkal, Jan"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. O-O Nf6 7. Nc3 g6 8. d4 cxd4 9. Nxd4 Bg7 10. Nc2 O-O 11. Qe2 a6 12. Rd1 Qe6 13. f3 Rab8 14. Be3 Nd7 15. Nd4 1/2-1/2