[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.11.10"]
[Round "14"]
[White "Williams, Arthur Howard"]
[Black "Ogaard, Leif"]
[Result "1/2-1/2"]
[BlackElo "2435"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 O-O 8. Be2 c5 9. Rb1 b6 10. O-O Bb7 11. Qd3 cxd4 12. cxd4 Qd7 13. Rd1 e6 14. Bf4 Nc6 15. Qe3 Na5 16. Bh6 Rac8 17. Bxg7 Kxg7 18. Ne5 Qe7 19. Rbc1 Rxc1 20. Rxc1 Rd8 21. h3 h5 22. Rc3 Rc8 23. Rxc8 Bxc8 24. g4 f6 25. Nf3 hxg4 26. hxg4 Bb7 1/2-1/2