[Event "Olympiad-19 Preliminaries A"]
[Site "Siegen"]
[Date "1970.09.06"]
[Round "2"]
[White "Belkadi, Ridha"]
[Black "Olsen, Henry"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 c5 5. Nc3 Nc6 6. cxd5 exd5 7. Bb5 Bg4 8. Qa4 Bd7 9. Ne5 Qc8 10. O-O a6 11. Nxd7 Nxd7 12. Be2 Nf6 13. Bf3 Qd7 14. dxc5 Bxc5 15. Rd1 O-O 16. Nxd5 Nxd5 17. Rxd5 Qe7 18. Bd2 Rad8 19. Bc3 Rxd5 20. Bxd5 Qd6 21. Rd1 Qh6 22. h3 Nd8 23. Qc4 Be7 24. Qc7 Bd6 25. Qd7 1-0