[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.10.25"]
[Round "1"]
[White "Dienavorian Lacherian, Manuel"]
[Black "Ree, Hans"]
[Result "0-1"]
[WhiteElo "2415"]
[BlackElo "2500"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 O-O 5. e4 d6 6. c3 h6 7. Bh4 Nbd7 8. Bc4 e5 9. dxe5 dxe5 10. O-O c6 11. Qe2 Qc7 12. Rad1 a5 13. a4 Nc5 14. b3 Ne6 15. Rfe1 Nf4 16. Qf1 Re8 17. Kh1 Nd7 18. Ng1 Nb6 19. f3 Bf8 20. Bf2 Nxc4 21. Nxc4 Be6 22. g3 Nh5 23. Bb6 Qb8 24. Qf2 Nf6 25. Nxa5 Ra6 26. Nc4 Bxc4 27. bxc4 Rxa4 28. c5 Qc8 29. Rd3 Qe6 30. Red1 Ra2 31. R3d2 Rxd2 32. Rxd2 Nd7 33. Ne2 Ra8 34. Kg2 h5 35. Ng1 Ra1 36. h4 Nxb6 37. cxb6 Qc4 38. Nh3 Qxc3 39. Rc2 Qb3 40. Ng1 Bh6 41. Rb2 Qd3 42. Qe2 Qxe2+ 43. Nxe2 Be3 0-1