[Event "ARG-ch"]
[Site "Buenos Aires "]
[Date "1958.??.??"]
[Round "4"]
[White "Panno, Oscar"]
[Black "Puiggros, Guillermo"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E07"]

1.Nf3 Nf6 2.c4 e6 3.g3 Be7 4.Bg2 O-O 5.O-O d5 6.d4 c6 7.Nc3 Nbd7 8.b3 Re8
9.Bb2 Rb8 10.a4 Bb4 11.e3 b6 12.Qc2 Ba6 13.Rfd1 Rc8 14.Bf1 Bb7 15.Rac1 Qe7
16.Bg2 Ba6 17.Nd2 e5 18.Na2 Bd6 19.e4 exd4 20.exd5 cxd5 21.Bxd4  1/2-1/2

