[Event "Interzonal-05"]
[Site "Stockholm"]
[Date "1962.01.31"]
[Round "4"]
[White "Fischer, Robert James"]
[Black "Portisch, Lajos"]
[Result "1-0"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Neg5 Nd5 7. d4 h6 8. Ne4 N7b6 9.
Bb3 Bf5 10. Ng3 Bh7 11. O-O e6 12. Ne5 Nd7 13. c4 N5f6 14. Bf4 Nxe5 15. Bxe5 Bd6 16. Qe2
O-O 17. Rad1 Qe7 18. Bxd6 Qxd6 19. f4 c5 20. Qe5 Qxe5 21. dxe5 Ne4 22. Rd7 Nxg3 23. hxg3
Be4 24. Ba4 Rad8 25. Rfd1 Rxd7 26. Rxd7 g5 27. Bd1 Bc6 28. Rd6 Rc8 29. Kf2 Kf8 30. Bf3
Bxf3 31. gxf3 gxf4 32. gxf4 Ke7 33. f5 exf5 34. Rxh6 Rd8 35. Ke2 Rg8 36. Kf2 Rd8 37. Ke3
Rd1 38. b3 Re1+ 39. Kf4 Re2 40. Kxf5 Rxa2 41. f4 Re2 42. Rh3 Re1 43. Rd3 Rb1 44. Re3 Rb2
45. e6 a6 46. exf7+ Kxf7 47. Ke5 Rd2 48. Rc3 b6 49. f5 Rd1 50. Rh3 b5 51. Rh7+ Kg8 52. Rb7
bxc4 53. bxc4 Rd4 54. Ke6 Re4+ 55. Kd5 Rf4 56. Kxc5 Rxf5+ 57. Kd6 Rf6+ 58. Ke5 Rf7 59. Rb6
Rc7 60. Kd5 Kf7 61. Rxa6 Ke7 62. Re6+ Kd8 63. Rd6+ Ke7 64. c5 Rc8 65. c6 Rc7 66. Rh6 Kd8
67. Rh8+ Ke7 68. Ra8 1-0