[Event "Interzonal-04"]
[Site "Portoroz"]
[Date "1958.09.04"]
[Round "18"]
[White "Sanguineti, Raul"]
[Black "Sherwin, James T"]
[Result "1-0"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. d4 Bg4 6. Be2 Nfd7 7. O-O Bxf3 8. Bxf3 e5 9. d5 Bf6 10. Qc2 a5 11. a3 Bg5 12. b4 Na6 13. Rb1 O-O 14. Bg4 Bxc1 15. Rfxc1 f5 16. exf5 Qg5 17. Bh3 gxf5 18. Rb3 Kh8 19. Ne2 Rf7 20. f4 exf4 21. Rf1 Re8 22. Nxf4 Re4 23. Ne6 Qh4 24. c5 Rc4 25. Qb2+ Qf6 26. Qe2 Ne5 27. Re3 Qh4 28. Bxf5 axb4 29. g3 Qf6 30. Bh3 Qxf1+ 31. Bxf1 Rc1 32. Nf4 Nxc5 33. Rxe5 dxe5 34. Qxe5+ Kg8 35. Qg5+ Kh8 36. Ng6+ hxg6 37. Qxc1 bxa3 38. Qxc5 1-0