[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.06.17"]
[Round "21"]
[White "Spassky, Boris Vasilievich"]
[Black "Rossetto, Hector"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6 Nxd6 7. Bd3 Nc6 8. Qf4 Qe7+ 9. Be3 g6 10. Nc3 Be6 11. Nd4 Bg7 12. Nxc6 bxc6 13. O-O O-O 14. Bd4 Rab8 15. Bxg7 Kxg7 16. b3 Qf6 17. Qxf6+ Kxf6 18. Na4 Rfe8 19. Rfd1 Bg4 20. f3 Bf5 21. Kf2 Re5 22. Bxf5 Rxf5 23. Re1 Ra5 24. Rad1 h5 25. Rd3 Rbb5 26. Rc3 c5 27. Rce3 c4 28. Re7 Rb7 29. R1e2 c6 30. R7e3 Rd5 31. Nc3 Rd4 32. Re5 Nb5 33. Na4 cxb3 34. axb3 Rd5 35. R5e3 Nd4 36. Nc3 Nxe2 37. Nxd5+ cxd5 38. Kxe2 a5 39. Kd2 Rb4 40. Re1 a4 41. Kc3 Rf4 42. Ra1 axb3 43. cxb3 Ke5 44. Ra6 g5 45. Rh6 h4 46. h3 Rf5 47. Rc6 g4 1/2-1/2