[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.06.02"]
[Round "11"]
[White "Spassky, Boris Vasilievich"]
[Black "Porat, Yosef"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 exd5 7. cxd5 d6 8. e3 Nbd7 9. Bb5 g5 10. Bg3 Qa5 11. Bxd7+ Bxd7 12. Ne2 Bb5 13. a3 Bxc3+ 14. Nxc3 Bc4 15. Qf3 Ke7 16. Bxd6+ Kxd6 17. Qxf6+ Kc7 18. Qxf7+ Kb8 19. Qf6 Rd8 20. Qe5+ Qc7 21. Qxc7+ Kxc7 22. e4 b5 23. Kd2 Rd7 24. b3 Bxb3 25. Nxb5+ Kb6 26. Rhb1 Kxb5 27. Rxb3+ Kc4 28. Rd3 Rf7 29. f3 g4 30. Rc1+ Kb5 31. Rb1+ Kc4 32. Rbb3 1-0