[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.06.03"]
[Round "12"]
[White "Porat, Yosef"]
[Black "Smyslov, Vassily V"]
[Result "0-1"]

1. Nf3 d5 2. b3 Bg4 3. Bb2 Nd7 4. e3 Ngf6 5. Be2 e6 6. Ne5 Bxe2 7. Qxe2 Nxe5 8. Bxe5 Nd7 9. Bb2 Be7 10. c4 O-O 11. cxd5 exd5 12. O-O Re8 13. d3 Bd6 14. Nd2 a5 15. a4 Ra6 16. g3 Bb4 17. Rfc1 Rae6 18. Nf3 c6 19. Bc3 Bxc3 20. Rxc3 Qf6 21. d4 Qh6 22. Rc2 Nf6 23. Ne5 Ne4 24. Nd3 Rf6 25. Qg4 Ng5 26. Nf4 Ne6 27. Nxe6 Rfxe6 28. Rac1 Qf6 29. Kg2 Qe7 30. Rc5 Rg6 31. Qe2 Qd8 32. h3 Rh6 33. R5c3 Re4 34. f3 Re8 35. Qf2 Rhe6 36. Qd2 h5 37. h4 Qe7 38. Kf2 Qd6 39. Rd3 Rg6 40. Rg1 b6 41. Qd1 Qe6 42. Re1 Qh3 43. Rg1 Re4 44. f4 Qf5 45. Rc3 Rge6 46. g4 Qf6 47. g5 Qe7 48. Rg3 g6 49. Qc2 c5 50. dxc5 d4 51. Rc4 bxc5 52. Rf3 Rxe3 53. Rxe3 dxe3+ 54. Ke2 Qb7 55. Rxc5 Qg2+ 56. Kd3 e2 0-1