[Event "Interzonal-09a"]
[Site "Leningrad"]
[Date "1973.06.19"]
[Round "12"]
[White "Torre, Eugenio"]
[Black "Estevez Morales, Guillermo"]
[Result "1-0"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. Bxc6 dxc6 7. d3 Ne7 8. Nbd2 O-O 9. a4 b6 10. Nc4 Bg4 11. h3 Bxf3 12. Qxf3 Qc7 13. Qg3 b5 14. Na3 a6 15. Be3 c4 16. Bc5 cxd3 17. Qxd3 Rfd8 18. Qe3 Rab8 19. axb5 axb5 20. c3 Nc8 21. Nc2 Nb6 22. b3 Nd7 23. Be7 Re8 24. Ra7 Rb7 25. Bd6 Qc8 26. Rea1 Rxa7 27. Rxa7 Nf8 28. c4 bxc4 29. bxc4 Ne6 30. Qf3 Nf4 31. c5 Qe6 32. Qg4 Qxg4 33. hxg4 Ne6 34. Nb4 Bf8 35. Nd3 f6 36. Ra6 Rc8 37. g3 Bxd6 38. cxd6 c5 39. d7 Rd8 40. Rxe6 c4 41. Re8+ 1-0