[Event "Interzonal-04"]
[Site "Portoroz"]
[Date "1958.09.04"]
[Round "18"]
[White "Benko, Pal C"]
[Black "Filip, Miroslav"]
[Result "1/2-1/2"]

1. c4 Nf6 2. g3 e6 3. Nf3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6 11. Bb2 Qc8 12. Qd2 d6 13. Rad1 Be4 14. Ne1 Bxg2 15. Nxg2 Nd7 16. Qc2 Re8 17. Rfe1 Nf8 18. e4 fxe4 19. Rxe4 Qd7 20. Rde1 c6 21. Nf4 d5 22. R4e2 Bg5 23. Nd3 Ng6 24. c5 b5 25. f4 Bf6 26. Re3 Nf8 27. Qe2 Rec8 28. Qg4 Qf7 29. Kg2 a5 30. a3 Qg6 31. Qxg6 hxg6 32. h4 a4 33. b4 Ra6 34. R1e2 Re8 35. Ne1 Kf7 36. Nf3 Nd7 37. g4 Raa8 38. Kg3 Rac8 39. Re1 Ra8 40. R3e2 Rac8 41. Bc1 Ra8 42. h5 gxh5 43. gxh5 Nf8 44. Ng5+ Kg8 45. Nxe6 Nxe6 46. Rxe6 Kf7 47. Rxe8 Rxe8 48. Rxe8 Kxe8 49. Be3 Kf7 50. Kg4 Bd8 51. Kf5 Bf6 52. Bf2 Bd8 53. Ke5 Bc7+ 54. Kf5 Bd8 55. Kg4 Bf6 56. f5 Kg8 57. Kf3 Kf7 58. Be3 Kg8 59. Kg3 Kf7 60. Kg4 Kg8 61. Kf4 Kf7 62. Bf2 Kg8 63. Be3 Kf7 64. Bf2 Kg8 65. Be3 Kf7 66. Bf2 1/2-1/2