[Event "NED Open-ch12"]
[Site "Dieren"]
[Date "1981.08.??"]
[Round "?"]
[White "Van der Heijden, Harold"]
[Black "Zollinger, Ronald"]
[Result "0-1"]
[ECO "E99"]
[PlyCount "114"]
[EventDate "1981.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Ne8 10. Nd3 f5 11. Bd2 Nf6 12. f3 f4 13. c5 g5 14. cxd6 cxd6 15. Nb5 a6 16. Na3 h5 17. Nc4 b5 18. Ba5 Qd7 19. Nb6 Qa7 20. Kh1 Rb8 21. Nxc8 Rfxc8 22. Rc1 Rxc1 23. Qxc1 Rc8 24. Qd2 Nd7 25. Rc1 Bf6 26. Rxc8+ Nxc8 27. Qc3 Ncb6 28. b3 Bd8 29. Qc6 Qc7 30. Bb4 Nc8 31. a4 Qxc6 32. dxc6 Nb8 33. axb5 axb5 34. Nb2 Nxc6 35. Bd2 Nd4 36. Bd3 Nxb3 37. Bb4 Nd4 38. Nd1 Bc7 39. Nc3 Na7 40. Nd5 Bb8 41. Bb1 Kg7 42. Bc3 Nac6 43. Bxd4 exd4 44. Kg1 Ba7 45. Kf1 Bc5 46. Ke2 Ne5 47. h4 Kh6 48. Bc2 Nc4 49. Bd3 Na3 50. hxg5+ Kxg5 51. Nc7 Kh4 52. Nxb5 Nxb5 53. Bxb5 Kg3 54. Kf1 h4 55. Bd3 h3 56. gxh3 Kxf3 57. h4 Ke3 0-1

