[Event "Mar del Plata International-11"]
[Site "Mar del Plata"]
[Date "1948.03.13"]
[Round "1"]
[White "Stahlberg, Gideon"]
[Black "De Freitas, Marcio Elisio"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Qb3 Qe7 6. Bg5 h6 7. Bh4 Nc6 8. e3 a5 9. a3 Bxc3+ 10. Qxc3 d6 11. Be2 Re8 12. Nd2 e5 13. d5 Nb8 14. Qc2 Na6 15. O-O Nc5 16. Rae1 a4 17. f4 e4 18. g4 c6 19. Nb1 cxd5 20. Nc3 Nd3 21. Nxd5 Qd8 22. Bxd3 exd3 23. Qxd3 Bxg4 24. Qd4 g5 25. Nxf6+ 1-0