[Event "Interzonal-04"]
[Site "Portoroz"]
[Date "1958.09.10"]
[Round "21"]
[White "Pachman, Ludek"]
[Black "Sanguineti, Raul"]
[Result "1/2-1/2"]

1. c4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. e4 Nc6 6. Be3 Nh6 7. Nc3 O-O 8. Be2 f5 9. exf5 Bxd4 10. Bxh6 Rxf5 11. Be3 Bxe3 12. fxe3 d6 13. Qd2 Be6 14. Bg4 Re5 15. Bxe6+ Rxe6 16. O-O Qd7 17. Nd5 Re5 18. b4 Rf8 19. b5 Nd8 20. Qd4 b6 21. Qh4 Rf7 22. a4 Rh5 23. Qe4 Re5 24. Qd3 Qg4 25. Rxf7 Nxf7 26. Rf1 Ng5 27. Kh1 Ne4 1/2-1/2