[Event "Costa del Sol-11"]
[Site "Malaga"]
[Date "1971.02.03"]
[Round "1"]
[White "Durao, Joaquim Manuel"]
[Black "Cardoso, Ruth"]
[Result "1-0"]

1. b3 e5 2. Bb2 Nc6 3. c4 d6 4. g3 Nf6 5. Bg2 Be7 6. Nc3 Bd7 7. d3 Qc8 8. Qd2 Rb8 9. Nd5 Bd8 10. f4 O-O 11. e4 Re8 12. f5 Nd4 13. Bxd4 exd4 14. Ne2 c6 15. Ndf4 c5 16. Bf3 Bc6 17. O-O Nd7 18. Bg2 Ne5 19. Nh5 b5 20. f6 gxf6 21. Rf5 Kh8 22. Qh6 Rg8 23. Nxf6 1-0