[Event "Interzonal-04"]
[Site "Portoroz"]
[Date "1958.08.28"]
[Round "14"]
[White "Benko, Pal C"]
[Black "De Greif, Boris"]
[Result "1-0"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Bg5 c5 6. d5 h6 7. Be3 d6 8. f3 e6 9. Qd2 exd5 10. cxd5 Kh7 11. h4 h5 12. Be2 Re8 13. Nd1 Na6 14. Nf2 Qb6 15. Ngh3 Bxh3 16. Nxh3 Qb4 17. Qxb4 Nxb4 18. Kd2 Na6 19. Rab1 Nc7 20. Bf4 Bf8 21. b4 Nd7 22. Rhc1 b6 23. Nf2 Rab8 24. g4 Ne5 25. gxh5 gxh5 26. Nh1 Ng6 27. Bg5 Bh6 28. Ng3 Nxh4 29. Bxh6 Kxh6 30. Rh1 Rg8 31. Rbg1 Rxg3 32. Rxg3 Ng6 33. f4 Nxf4 34. Bxh5 Nxh5 35. Rgh3 Re8 36. Rxh5+ Kg7 37. bxc5 bxc5 38. Rg5+ Kf6 39. Rf5+ Ke7 40. Rb1 Rc8 41. Rb7 a6 42. a4 1-0