[Event "Costa del Sol-12"]
[Site "Malaga"]
[Date "1972.02.06"]
[Round "4"]
[White "Benko, Pal C"]
[Black "Durao, Joaquim Manuel"]
[Result "1/2-1/2"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 g6 5. Nc3 Bg7 6. Bd3 O-O 7. O-O Bg4 8. h3 Bxf3 9. Qxf3 e6 10. Rd1 Nbd7 11. b3 Re8 12. Bb2 a6 13. Rac1 b5 14. Rc2 Nb6 15. Qe2 dxc4 16. bxc4 b4 17. Nb1 a5 18. Nd2 Qc7 19. a3 Na4 20. axb4 axb4 21. Nb3 1/2-1/2