[Event "ARG-ch33"]
[Site "Buenos Aires"]
[Date "1955.11.22"]
[Round "7"]
[White "Maderna, Carlos Hugo"]
[Black "Marini, Luis"]
[Result "1/2-1/2"]
[ECO "B31"]
[Opening "Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Qb6 5. a4 Bg7 6. d4 cxd4 7. O-O d3 8. Be3 Qc7 9. Na3 Nf6 10. Bxd3 O-O 11. Nb5 Qb8 12. Qd2 d6 13. h3 Na5 14. Qc2 a6 15. Nbd4 e5 16. Ne2 Be6 17. Nd2 d5 18. f4 dxe4 19. Bxe4 Nxe4 20. Qxe4 Rc8 21. fxe5 Qxe5 22. Qxe5 Bxe5 23. Bd4 Bxd4+ 24. Nxd4 Bd5 25. Rfe1 1/2-1/2