[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.06.03"]
[Round "12"]
[White "Benko, Pal C"]
[Black "Stein, Leonid"]
[Result "0-1"]
1. g3 d5 2. Nf3 Nf6 3. Bg2 c6 4. O-O Bf5 5. d3 Nbd7 6. Nbd2 e6 7. Qe1 Be7 8. e4 dxe4 9.
dxe4 Bg4 10. Nc4 Bxf3 11. Bxf3 Qc7 12. Qc3 e5 13. b4 O-O 14. Bb2 Rfe8 15. Rad1 Bf8 16. Rd2
Nb6 17. Rfd1 Na4 18. Qb3 Nxb2 19. Qxb2 b5 20. Ne3 a5 21. a3 axb4 22. axb4 h5 23. Qb3 Red8
24. Rxd8 Rxd8 25. Rxd8 Qxd8 26. Qc3 Qd6 27. Nf5 Qe6 28. h4 g6 29. Ne3 Qd6 30. Kf1 Be7 31.
Ke2 Bf8 32. Qa1 Bh6 33. c3 Qe6 34. Qd1 Kg7 35. Qd3 Ne8 36. Bg2 Nd6 37. Bh3 Qa2+ 38. Qc2
Nxe4 39. Qxa2 Nxc3+ 40. Kf1 Nxa2 41. Nc2 f5 42. Bg2 e4 43. f3 Nc3 44. Nd4 Be3 45. Nxc6 Kf6
46. fxe4 Nxe4 47. Ke2 Bb6 48. Kd3 Nxg3 49. Nb8 Ke7 50. Bc6 f4 51. Nd7 Ba7 52. Nc5 Nf5 53.
Bxb5 Nxh4 54. Ke4 Bb8 55. Nd7 Bc7 56. Nc5 g5 57. Nd3 f3 58. Bc6 g4 59. Ke3 Bb6+ 60. Kf4
Kf6 61. Bb5 Bc7+ 62. Ke3 g3 0-1