[Event "Interzonal-09a"]
[Site "Leningrad"]
[Date "1973.06.14"]
[Round "9"]
[White "Estevez Morales, Guillermo"]
[Black "Rukavina, Josip"]
[Result "0-1"]

1. e4 g6 2. d4 d6 3. Nc3 Bg7 4. Nf3 c6 5. Be2 Nd7 6. a4 Qc7 7. O-O Ngf6 8. h3 O-O 9. Be3 e5 10. dxe5 dxe5 11. Bc4 Re8 12. Qd2 Nb6 13. Bb3 Be6 14. Bh6 Bxb3 15. Bxg7 Kxg7 16. cxb3 a5 17. Rac1 Qe7 18. Qe3 Ra6 19. Ne2 Nfd7 20. Rfd1 Nf8 21. h4 h5 22. Qd3 Nbd7 23. Qe3 Rb6 24. Ng3 Rb4 25. Rc3 Ne6 26. Qa7 c5 27. Qxa5 Nb6 28. Ng5 Nxg5 29. hxg5 c4 30. bxc4 Ra8 31. Rd7 Nxd7 32. Qxa8 Nc5 33. b3 Nxb3 34. Qc8 Nd4 35. Rc1 h4 0-1