[Event "Vidmar Memorial-04"]
[Site "Ljubljana/Portoroz"]
[Date "1977.06.19"]
[Round "13"]
[White "Jelen, Iztok"]
[Black "Sigurjonsson, Gudmundur"]
[Result "1-0"]
[WhiteElo "2370"]
[BlackElo "2520"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 Nbd7 7. O-O e5 8. Be3 c6 9. Qc2 Qe7 10. Rad1 Re8 11. d5 c5 12. Ne1 a6 13. Qd2 Kh8 14. Bh6 Ng8 15. Bxg7+ Kxg7 16. a4 Nh6 17. Nd3 f5 18. f4 exf4 19. Nxf4 Ne5 20. Rde1 Bd7 21. Bd3 Rf8 22. exf5 Nxf5 23. Ne4 Rae8 24. b4 b6 25. a5 cxb4 26. Qxb4 bxa5 27. Qc3 Kg8 28. c5 Nxd3 29. Nxd3 dxc5 30. Ndxc5 Bb5 31. Rf2 Qg7 32. Qxg7+ Nxg7 33. Rd2 Rf5 34. g4 Rf4 35. h3 a4 36. d6 a3 37. d7 Rd8 38. Re3 Rf1+ 39. Kg2 Ra1 40. Nf6+ Kf7 41. Nxh7 Bc6+ 42. Kf2 a2 43. Ra3 Rc1 44. Nd3 Rc3 45. Raxa2 Bb5 46. Ne5+ Kg8 47. Ng5 Rc5 48. Ngf7 Ne6 49. Nxd8 Nxd8 50. Nxg6 Kf7 51. Rd6 1-0