[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.10.25"]
[Round "1"]
[White "Wharton, Patrick"]
[Black "Stoppel, Franz"]
[Result "1/2-1/2"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 d6 5. Be2 O-O 6. O-O a5 7. c3 Na6 8. Re1 c5 9. e5 Ne8 10. Nf1 cxd4 11. cxd4 dxe5 12. dxe5 Nec7 13. Bg5 Qxd1 14. Rexd1 Re8 15. Ne3 h6 16. Bh4 g5 17. Bg3 Be6 18. Nd4 Nc5 19. Rac1 N7a6 20. Bxa6 Nxa6 21. Nxe6 fxe6 22. h3 Red8 23. Nc4 Rxd1+ 24. Rxd1 Nc5 25. f3 b5 26. Nb6 Ra6 27. Nd7 Na4 28. Rd2 Rc6 29. Bf2 Kf7 30. g3 Ke8 31. f4 gxf4 32. gxf4 h5 33. Kg2 Bh6 34. Kf3 b4 35. b3 Nc3 36. Nb6 Nb1 37. Rb2 Na3 38. Ke4 Rc1 39. f5 Kf7 40. fxe6+ Kxe6 41. Nd5 Rh1 42. h4 Nb1 43. Rc2 Nd2+ 44. Kd4 Nf3+ 45. Ke4 Nd2+ 46. Kd4 1/2-1/2