[Event "Olympiad-19 Preliminaries A"]
[Site "Siegen"]
[Date "1970.09.08"]
[Round "4"]
[White "Siaperas, Triantafyllos"]
[Black "Bouaziz, Slim"]
[Result "0-1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. a4 Nc6 5. O-O e6 6. Nc3 Be7 7. Re1 a6 8. Bxc6 Bxc6 9. d4 cxd4 10. Nxd4 Qc7 11. Nxc6 bxc6 12. b3 Bf6 13. Bb2 Ne7 14. Qg4 h5 15. Qe2 Ng6 16. Rad1 h4 17. h3 O-O 18. Qh5 d5 19. Kh1 Qf4 20. Ne2 Qxe4 21. Bxf6 gxf6 22. Qh6 c5 23. Rd3 Rfd8 24. Re3 Qf5 25. f4 d4 26. Rd3 Rd5 27. b4 cxb4 28. Nxd4 Qxf4 29. Qxf4 Nxf4 30. Rdd1 Rad8 0-1