[Event "Interzonal-04"]
[Site "Portoroz"]
[Date "1958.08.22"]
[Round "11"]
[White "Sanguineti, Raul"]
[Black "Averbakh, Yuri L"]
[Result "0-1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 Nxc3 8. bxc3 Be7 9. O-O O-O 10. Bd3 b6 11. Qc2 g6 12. Rd1 cxd4 13. exd4 Bb7 14. Bh6 Re8 15. Qd2 Rc8 16. h4 Qd6 17. Ng5 Na5 18. f3 Qg3 19. h5 Bd6 20. hxg6 Qh2+ 21. Kf1 hxg6 22. Ne4 Bxe4 23. fxe4 Bg3 24. Be3 Nc4 25. Bxc4 Rxc4 26. Ke2 Qh5+ 27. Kf1 Rec8 28. Rac1 Rxc3 29. Bg1 Qb5+ 0-1