[Event "Sao Paulo"]
[Site "Sao Paulo"]
[Date "1979.??.??"]
[Round "?"]
[White "Filguth, Rubens A"]
[Black "Byrne, Robert E"]
[Result "0-1"]
[WhiteElo "2335"]
[BlackElo "2535"]
[ECO "A28"]

1.c4 Nf6 2.Nc3 e5 3.Nf3 Nc6 4.e3 Bb4 5.Qc2 O-O 6.Nd5 a5 7.Bd3 g6 8.Nxf6+ Qxf6
9.Be4 a4 10.O-O Re8 11.d3 Bf8 12.Bd2 Qe7 13.Bc3 Nb4 14.Qd2 f5 15.Nxe5 fxe4
16.Ng4 Bg7 17.f3 h5 18.Bxb4 c5 19.Nf2 cxb4 20.Nxe4 b6 21.Rfe1 Bb7 22.Nf2 d5
23.cxd5 Bxd5 24.e4 Bf7 25.d4 Rad8 26.d5 a3 27.Rad1 axb2 28.Rf1 Qc5 29.Kh1 Ra8
30.e5 Rxe5 31.Ne4 Rxd5  0-1

