[Event "Mar del Plata International-21"]
[Site "Mar del Plata"]
[Date "1958.03.25"]
[Round "11"]
[White "Behrensen, Jorge"]
[Black "Sanguineti, Raul"]
[Result "1/2-1/2"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c4 a6 6. Nc3 Rb8 7. a3 b5 8. cxb5 axb5 9. b4 cxb4 10. axb4 Nh6 11. Qb3 Nf5 12. e3 O-O 13. Bb2 Nd6 14. Ne2 Bxb2 15. Qxb2 Nc4 16. Qc3 Bb7 17. d3 Nb6 18. Ned4 Nd5 19. Nxc6 Nxc3 20. Nxd8 Rfxd8 21. Ra7 Bd5 22. Rfa1 f6 23. R1a5 Ra8 24. Rxa8 Rxa8 25. Nd4 Rb8 26. Nxb5 Ne2+ 27. Kf1 Bxg2+ 28. Kxe2 Bc6 29. Nd4 Rxb4 30. Nxc6 dxc6 1/2-1/2