[Event "Olympiad-18 Final D"]
[Site "Lugano"]
[Date "1968.11.02"]
[Round "7"]
[White "Castro Aguilar, Morelos"]
[Black "Hook, William"]
[Result "0-1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. c3 Nf6 5. e5 Nd7 6. Bd3 f5 7. Ne2 Nb6 8. Nf4 Qe7 9. Qh5+ Qf7 10. Qxf7+ Kxf7 11. g4 Be7 12. gxf5 exf5 13. h4 g6 14. Nf3 Nd8 15. Bd2 h6 16. O-O-O Ne6 17. Rdg1 Nxf4 18. Bxf4 Be6 19. Rg2 Rag8 20. b3 a5 21. Kb2 c6 22. Rhg1 Nd7 23. c4 c5 24. Bd2 cxd4 25. Bxa5 Nc5 26. Bb1 dxc4 27. Nxd4 Bd5 28. f3 cxb3 29. axb3 Bxh4 30. Bc3 Ne6 31. Nxe6 Bxe6 32. Bd3 Be7 33. Bc4 g5 34. f4 g4 35. Rh1 h5 36. Be1 h4 37. Bxh4 Bxc4 38. bxc4 Rxh4 39. Rf1 Bc5 40. Kc2 g3 41. Rf3 Rh2 42. Rxh2 gxh2 43. Rh3 Bg1 44. Kd1 Rg4 0-1