[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.11.08"]
[Round "13"]
[White "Apol, Luitjen"]
[Black "Tawengi, Ahmed Ali"]
[Result "1-0"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 d5 4. O-O g6 5. d3 Bg7 6. c4 dxc4 7. dxc4 Qxd1 8. Rxd1 Nf6 9. Nc3 O-O 10. Be3 Nd7 11. Rac1 Rb8 12. Ne1 Nce5 13. Bf4 h6 14. h4 e6 15. Nb5 a6 16. Nd6 b6 17. b3 f6 18. Bh3 f5 19. Bg2 Bf6 20. Bxh6 Rd8 21. Bg5 Bxg5 22. hxg5 Nf7 23. f4 Nxd6 24. Rxd6 Kf7 25. Rcd1 Ke7 26. Bc6 b5 27. cxb5 axb5 28. e4 c4 29. e5 Rb6 30. b4 Rxc6 31. Rxc6 Bb7 32. Rcd6 Bd5 33. Nc2 Ra8 34. Ra1 c3 35. Ne3 Be4 36. Kf2 Ra3 37. Ke2 Nb8 38. Rd4 Nc6 39. Rxe4 fxe4 40. Nc2 Ra8 41. Ke3 Rd8 42. Kxe4 Rd2 43. Rc1 Nb8 44. a3 Nd7 45. Nd4 Nb6 46. Rxc3 Nd5 47. Rc6 Kd7 48. Rd6+ Kc8 49. Nxb5 Re2+ 50. Kf3 Re3+ 51. Kf2 Rb3 52. Rxe6 Rb2+ 53. Kf3 Rb3+ 54. Ke4 Nc3+ 55. Nxc3 Rxc3 56. Rxg6 Kd8 57. Kf5 Ke7 58. Rg7+ Kf8 59. Ra7 1-0