[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.10.25"]
[Round "1"]
[White "Arbouche, Muhamed"]
[Black "Petersen, Hans"]
[Result "0-1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 h5 7. d4 exd4 8. hxg4 hxg4 9. Ng5 f6 10. Ne6 Qd6 11. Nf4 g5 12. Qxg4 gxf4 13. Bxf4 Qd7 14. Qxd7+ Kxd7 15. Rd1 Re8 16. Rxd4+ Kc8 17. Nc3 Ne7 18. Rad1 Ng6 19. Bg3 Rh7 20. a3 Bc5 21. R4d2 b5 22. b4 Bb6 23. Rd3 Ne5 24. Bxe5 fxe5 25. Rh3 Rg7 26. Rdd3 Rf8 27. Rhf3 Rfg8 28. g3 Rg4 29. Kg2 c5 30. Rd5 cxb4 31. axb4 Bd4 32. Ne2 Rxe4 33. Nxd4 exd4 34. Rd3 Re2 35. R3xd4 Rxc2 36. Rf5 Kb7 37. g4 Kb6 38. Kg3 a5 39. Rf6+ c6 40. bxa5+ Kxa5 41. f4 b4 42. Rf7 c5 43. Ra7+ Kb6 44. Rdd7 Rb8 45. f5 b3 46. Ra1 b2 47. Rb1 Kc6 48. Rdd1 c4 49. g5 Rb3+ 0-1