[Event "Olympiad-18 Preliminaries A"]
[Site "Lugano"]
[Date "1968.10.20"]
[Round "3"]
[White "Constantinou, Agathoclis"]
[Black "Castro Aguilar, Morelos"]
[Result "1-0"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 Nc6 5. Bc4 e5 6. d5 Nce7 7. Qd2 h6 8. O-O-O a6 9. f4 Bg4 10. Nf3 Qd7 11. fxe5 dxe5 12. Rhf1 O-O-O 13. h3 Bxf3 14. Rxf3 f5 15. Qe2 f4 16. Ba7 Qd6 17. Qf2 Qb4 18. Be2 Qa5 19. Nb5 Nf6 20. Qc5 Rhe8 21. Nd6+ Rxd6 22. Qxa5 Nxe4 23. Rfd3 b5 24. Bf3 Kb7 25. Bxe4 1-0