[Event "Olympiad-19 Preliminaries A"]
[Site "Siegen"]
[Date "1970.09.11"]
[Round "7"]
[White "Diez del Corral, Jesus"]
[Black "Belkadi, Ridha"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5 Nxd5 8. dxc5 f5 9. Nh3 O-O 10. c4 Qf6 11. Bg5 Qc3+ 12. Bd2 Qxc4 13. e4 Qxc5 14. exd5 exd5 15. Be2 Nc6 16. Nf2 Be6 17. O-O Rad8 18. Qc1 Qd6 19. Bf4 Qe7 20. Nd3 Qe8 21. Re1 Qh5 22. Nc5 Bc8 23. Bd3 h6 24. Qb2 Qf7 25. Rac1 g5 26. Bd2 Rd6 27. Bb5 f4 28. Bxc6 Rxc6 29. Qd4 g4 30. Nd3 Rg6 31. Bc3 Kh7 32. Ne5 1-0