[Event "Mar del Plata International-11"]
[Site "Mar del Plata"]
[Date "1948.03.31"]
[Round "17"]
[White "Maderna, Carlos Hugo"]
[Black "Olivera, Alfredo"]
[Result "1-0"]

1. c4 e6 2. Nc3 d5 3. d4 c6 4. e4 dxe4 5. Nxe4 c5 6. Nf3 cxd4 7. Qxd4 Bb4+ 8. Bd2 Qxd4 9. Nxd4 Bxd2+ 10. Kxd2 Nf6 11. Nxf6+ gxf6 12. Nb5 Na6 13. Be2 Bd7 14. Bf3 Bxb5 15. cxb5 O-O-O+ 16. Ke2 Nb4 17. Rhd1 Rxd1 18. Rxd1 Re8 19. Rd4 Nxa2 20. Ra4 Nc1+ 21. Kd2 1-0