[Event "Olympiad-18 Preliminaries A"]
[Site "Lugano"]
[Date "1968.10.24"]
[Round "7"]
[White "Castro Aguilar, Morelos"]
[Black "Czerniak, Moshe"]
[Result "0-1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 e5 4. d3 d5 5. O-O Ne7 6. c4 dxc4 7. Qa4+ Nbc6 8. Qxc4 O-O 9. Qc2 Bg4 10. Be3 Qd7 11. Nc3 Nf5 12. Bc5 Bxf3 13. exf3 Nfd4 14. Qd1 Rfe8 15. Rc1 Bh6 16. Ne4 Qe6 17. Bxd4 Bxc1 18. Qxc1 Nxd4 19. Qh6 Qe7 20. Ng5 f6 21. Ne4 f5 22. Nc3 c6 23. f4 Qb4 24. fxe5 Rxe5 25. a3 Qxb2 26. Rb1 Qxc3 27. Bd5+ cxd5 28. Rxb7 Qc1+ 0-1