[Event "Mar del Plata International-13"]
[Site "Mar del Plata"]
[Date "1950.03.08"]
[Round "1"]
[White "Maderna, Carlos Hugo"]
[Black "Castillo Bermudez, Manuel"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Nbd7 5. e3 c6 6. Nbd2 Be7 7. Bd3 O-O 8. Rc1 Re8 9. O-O c5 10. cxd5 exd5 11. Bxf6 Bxf6 12. dxc5 g6 13. b4 Ne5 14. Bb5 Nc6 15. Nb3 Re4 16. Bxc6 bxc6 17. Nfd4 Qe8 18. a4 Be5 19. b5 cxb5 20. axb5 Bc7 21. Nc6 Rh4 22. g3 Rh5 23. Nbd4 Qd7 24. Qf3 Qh3 25. Qg2 Qd7 26. Ra1 a6 27. b6 Bd8 28. Nxd8 Qxd8 29. Rfb1 Bf5 30. b7 Rb8 31. Nc6 Qc7 32. Nxb8 Bxb1 33. Rxb1 Qxb8 34. c6 1-0