[Event "Mar del Plata International-20"]
[Site "Mar del Plata"]
[Date "1957.03.28"]
[Round "10"]
[White "Mangini, Jose Thiago"]
[Black "Najdorf, Miguel"]
[Result "0-1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. O-O
O-O 10. a4 Nc6 11. f3 Nb4 12. Re1 Rc8 13. Nc1 d5 14. exd5 Nfxd5 15. Nxd5 Nxd5 16. Bf2 Qc7
17. c3 Nf4 18. Bf1 Rfd8 19. Qc2 g6 20. g3 Bf5 21. Qb3 Nh3+ 22. Bxh3 Bxh3 23. Qb6 Qd7 24.
Nb3 Qd5 25. Na5 Qxf3 26. Qxb7 Rd5 0-1