[Event "Olympiad-19 Preliminaries B"]
[Site "Siegen"]
[Date "1970.09.05"]
[Round "1"]
[White "Gereben, Erno"]
[Black "Vranesic, Zvonko"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Bd3 O-O 7. Nge2 e6 8. Bg5 h6 9. Bh4 exd5 10. exd5 g5 11. Bg3 Nh5 12. Qc2 Na6 13. a3 Nc7 14. O-O a6 15. f4 Nxg3 16. Nxg3 b5 17. fxg5 Qxg5 18. Nge4 Qe5 19. Kh1 bxc4 20. Bxc4 f5 21. Nd2 Nb5 22. Rae1 Nxa3 23. Qb3 Qd4 24. Rd1 Nxc4 25. Nxc4 Qh4 26. g3 Qd8 27. Ne2 Ra7 28. Nf4 Rb7 29. Qc2 Re8 30. Ne6 Bxe6 31. dxe6 Rxe6 32. Qxf5 Rbe7 33. Qxc5 dxc5 34. Rxd8+ Kh7 35. Kg2 Re2+ 36. Rf2 Bd4 37. Rxe2 Rxe2+ 38. Kh3 Bg1 39. Rd2 Rxd2 40. Nxd2 Kg6 41. Kg4 Kf6 42. Kf4 Bd4 43. b3 Ke6 44. Ke4 Kd6 45. g4 Kc6 46. h4 Bf6 47. Nf3 a5 48. Kd3 Kb5 49. g5 hxg5 50. hxg5 Bh8 51. Nd2 Kb4 52. Kc2 Bg7 53. Ne4 c4 54. bxc4 Kxc4 55. Nd6+ Kb4 56. Nf5 Be5 1/2-1/2