[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.06.16"]
[Round "20"]
[White "Rossetto, Hector"]
[Black "Stein, Leonid"]
[Result "0-1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bg4 4. Nbd2 e6 5. h3 Bh5 6. Be2 c5 7. O-O Nc6 8. Ne5 Bxe2 9.
Qxe2 cxd4 10. Nxc6 bxc6 11. exd4 Be7 12. Nf3 Nd7 13. Bf4 O-O 14. c3 c5 15. dxc5 Nxc5 16.
Rfd1 Qb6 17. Rac1 Ne4 18. Be3 Qa5 19. c4 Nf6 20. b3 Rac8 21. Ne5 Qa6 22. Bd4 Rfd8 23. Qf3
dxc4 24. Nxc4 Qxa2 25. Ra1 Qc2 26. Rdc1 Qe4 27. Qxe4 Nxe4 28. Bxa7 Bf6 29. Nb6 Rc3 30.
Rxc3 Nxc3 31. Ra5 Ne2+ 32. Kh2 Nd4 33. Nc4 Nxb3 34. Rb5 Nd4 35. Rb8 Rxb8 36. Bxb8 h5 37.
Kg3 Kh7 38. f4 Kg6 39. Kf2 h4 40. Ke3 Nc6 41. Bc7 Bd8 42. Ne5+ Kh5 43. Bxd8 Nxd8 44. Ke4
f6 45. Nf3 Nc6 46. Kd3 Nb4+ 47. Ke4 Na6 48. Kd4 Nc7 49. Ke4 g6 50. Kd4 Nd5 51. Ke4 Nc3+
52. Kd3 Nb5 53. Ke4 Nd6+ 54. Kd3 Nf5 55. Nd2 Kh6 56. Ne4 Kg7 57. Nd2 Kf7 58. Nf3 Ke7 59.
Nd2 e5 60. fxe5 fxe5 61. Ke4 Kf6 62. Nc4 Ng3+ 63. Kf3 Ke6 64. Nb6 Nf5 65. Ke4 Nd6+ 66. Kf3
Nf5 67. Ke4 Ng3+ 68. Kf3 Kd6 69. Ke3 Nh5 70. Nc4+ Kd5 71. Nb6+ Ke6 72. Nc4 Nf6 73. Nd2 Kf5
74. Nb3 e4 75. Nd4+ Ke5 76. Nc6+ Kd6 77. Nd4 Kd5 78. Ne2 Ke5 79. g3 g5 80. gxh4 gxh4 81.
Ng1 Nd5+ 82. Kf2 Kd4 83. Ne2+ Kd3 84. Nc1+ Kc2 85. Ne2 Kd2 86. Nd4 Nf4 87. Nf5 Nxh3+ 88.
Kf1 e3 89. Nxh4 e2+ 90. Kg2 Ng5 0-1