[Event "Olympiad-18 Preliminaries B"]
[Site "Lugano"]
[Date "1968.10.18"]
[Round "1"]
[White "Letzelter, Jean Claude"]
[Black "Benko, Pal C"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nf3 h6 8. h3 Be7 9. Nh2 Be6 10. Ng4 O-O 11. Be3 Qd7 12. Nxf6+ Bxf6 13. Nd5 Bxd5 14. Qxd5 Ne7 15. Qb3 d5 16. Bb5 Qd8 17. exd5 Qxd5 18. Bc4 Qc6 19. O-O Rac8 20. Be2 Qxc2 21. Bg4 Rc7 22. Qa3 Nc6 23. Rac1 Qg6 24. Bc5 Re8 25. Bxa7 Bg5 26. Bb6 Bxc1 27. Bxc7 Qc2 28. Qc3 Qxc3 29. bxc3 Bd2 30. c4 Ba5 31. Bxa5 Nxa5 32. Rb1 Re7 33. Rb4 Rc7 34. Bf3 Kf8 35. Bd5 f6 36. Kf1 Ke7 37. Ke2 Kd6 38. Rb6+ Nc6 39. Kd3 f5 40. a4 e4+ 41. Kc3 1/2-1/2