[Event "Interzonal-04"]
[Site "Portoroz"]
[Date "1958.08.08"]
[Round "3"]
[White "Sherwin, James T"]
[Black "De Greif, Boris"]
[Result "1-0"]

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. d5 Be7 5. e4 O-O 6. Bd3 Nbd7 7. Bc2 c6 8. Nge2 cxd5 9. cxd5 a6 10. Ng3 b5 11. O-O Nb6 12. h3 g6 13. Bh6 Re8 14. Bd3 b4 15. Na4 Bd7 16. Nxb6 Qxb6 17. Be3 Qb7 18. Qe2 Rec8 19. Rfc1 Ne8 20. Nf1 Rxc1 21. Rxc1 Bd8 22. Nd2 a5 23. Nc4 Rc8 24. Kh2 Qb8 25. g4 f6 26. f3 Ng7 27. f4 Bc7 28. Rf1 Rf8 29. f5 g5 30. h4 h6 31. Kg3 Kf7 32. Rh1 Rg8 33. hxg5 hxg5 34. Qh2 Ke7 35. Qh7 Qf8 36. Rh6 Be8 37. Nd2 Kd8 38. Ba6 Ke7 39. Nf3 Kd8 40. Nxg5 fxg5 41. Bxg5+ Kd7 42. Re6 Bf7 43. Re7+ Qxe7 44. Bb5+ Kd8 45. Bxe7+ Kxe7 46. Qh4+ Kf8 47. Kf3 Ne8 48. g5 Rg7 49. g6 1-0