[Event "Interzonal-06"]
[Site "Amsterdam"]
[Date "1964.06.03"]
[Round "12"]
[White "Lengyel, Levente"]
[Black "Tringov, Georgi Petrov"]
[Result "1-0"]

1. Nf3 g6 2. d4 d6 3. c4 Bg7 4. Nc3 Nf6 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5 8. e4 c6 9. h3 exd4 10. Nxd4 Re8 11. Re1 a5 12. Bf4 Ne5 13. b3 Nfd7 14. Be3 Nc5 15. Re2 Qe7 16. f4 Ned7 17. Qc2 Nf6 18. Bf2 Qc7 19. Rd1 Bd7 20. Red2 Rad8 21. Nde2 Bc8 22. a3 a4 23. bxa4 Bxh3 24. Bxh3 Ncxe4 25. Nxe4 Nxe4 26. Rd3 Nxf2 27. Kxf2 Re7 28. Ng1 Qb6+ 29. c5 Qa7 30. Rxd6 Rxd6 31. Rxd6 Re8 32. Rd7 Bf8 33. Qc4 Qxc5+ 34. Qxc5 Bxc5+ 35. Kf1 Re3 36. Ne2 Rxa3 37. Rxb7 Rxa4 38. Rc7 Ra6 39. Bd7 Bd6 40. Rc8+ Kg7 41. Bxc6 h5 42. Nc3 h4 43. Ne4 Be7 44. Bd5 hxg3 45. Rc7 Kf8 46. Rc8+ Kg7 47. Rc7 Kf8 48. Kg2 Ra5 49. Rd7 Ke8 50. Bc6 Kf8 51. Bd5 Ke8 52. Bc6 Kf8 53. Nxg3 Rc5 54. Bf3 f5 55. Ne2 Ke8 56. Rb7 Rc2 57. Kf1 Rd2 58. Nc3 Kf8 59. Nd5 Bh4 60. Bg2 g5 61. Rh7 Rd1+ 62. Ke2 Re1+ 63. Kd3 Rd1+ 64. Ke2 Re1+ 65. Kd3 Rd1+ 66. Kc4 Rc1+ 67. Kb5 Rg1 1-0