[Event "Reggio Emilia-17 1974/75"]
[Site "Reggio Emilia"]
[Date "1974.12.30"]
[Round "4"]
[White "Zichichi, Alvise"]
[Black "Rodriguez Vargas, Orestes"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. c3 Nge7 7. d4 cxd4 8. cxd4 exd4 9. Bf4 a6 10. Ba4 b5 11. Bb3 d6 12. a4 bxa4 13. Rxa4 O-O 1/2-1/2