[Event "Olympiad-18 Final D"]
[Site "Lugano"]
[Date "1968.10.31"]
[Round "6"]
[White "Araiza Munoz, Jose Joaquin"]
[Black "Yabra, Frederico"]
[Result "1/2-1/2"]
1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. f4 Nge7 7. Nf3 O-O 8. O-O d5 9. e5 a6 10. Kh1 b5 11. Ne2 d4 12. a3 Bb7 13. Ng5 Nf5 14. Ne4 Qe7 15. Bd2 Rfd8 16. Qe1 Rd7 17. Ng1 Rad8 18. Nf3 c4 19. g4 Nh6 20. g5 Nf5 21. Bh3 cxd3 22. Bxf5 exf5 23. Nf6+ Bxf6 24. gxf6 Qf8 25. cxd3 Re8 26. Qh4 h5 27. Kg1 Qh6 28. Rac1 Nd8 29. Ng5 Ne6 30. Rc2 Nxg5 31. fxg5 Qh7 32. Bf4 Kh8 33. Rfc1 Qg8 34. Rc7 Red8 35. Rxd7 Rxd7 36. Qe1 Qe8 37. Qb4 Kg8 38. Qc5 Qe6 39. Rc2 h4 1/2-1/2