[Event "Mar del Plata"]
[Site "Mar del Plata ARG"]
[Date "1957.03.20"]
[EventDate "?"]
[Round "5"]
[Result "1-0"]
[White "Miguel Najdorf"]
[Black "Jorge Behrensen"]
[ECO "E66"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "85"]

1.c4 Nf6 2.g3 c5 3.Bg2 g6 4.Nf3 Nc6 5.O-O Bg7 6.d4 O-O 7.Nc3
d6 8.d5 Na5 9.Nd2 Rb8 10.a3 Ne8 11.Qc2 b6 12.b4 Nb7 13.Bb2
cxb4 14.axb4 a5 15.Nb5 Bd7 16.Nd4 axb4 17.Qb3 Na5 18.Qxb4 Nc7
19.Bc3 Na6 20.Qa3 Nc5 21.e3 Ra8 22.Rfb1 Qc7 23.Bf1 Rfb8 24.Qc1
Qc8 25.Qc2 Qe8 26.Nb5 Rc8 27.Bxg7 Kxg7 28.Nd4 Rab8 29.Rb4 Kg8
30.h4 h5 31.N2f3 Qd8 32.Ng5 b5 33.Nde6 Bxe6 34.dxe6 f5 35.Qb2
Qc7 36.cxb5 Qb6 37.Rb1 Rf8 38.Qd4 Rf6 39.Bg2 Nab7 40.Ra1 Nd8
41.Bd5 Kg7 42.Qc4 Rc8 43.Qa2 1-0