[Event "Madrid"]
[Site "Madrid"]
[Date "1973.??.??"]
[Round "12"]
[White "Browne, Walter S"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2530"]
[BlackElo "2650"]
[ECO "B43"]

1.e4 c5 2.Nf3 e6 3.Nc3 a6 4.d4 cxd4 5.Nxd4 Qc7 6.g3 Bb4 7.Ne2 Nf6 8.Bg2 Be7
9.O-O Nc6 10.h3 b5 11.a4 b4 12.Nd5 exd5 13.exd5 Bb7 14.dxc6 Bxc6 15.Nd4 Bxg2
16.Kxg2 O-O 17.Nf5 Bc5 18.Qf3 Qe5 19.Bg5 Ne4 20.Rae1 d5 21.Bc1 Rfe8 22.Qg4 Qf6
23.Ne3 Bxe3 24.Rxe3 Qc6 25.Rf3 Rad8 26.c3 bxc3 27.bxc3 Re6 28.a5 d4 29.cxd4 Rg6
30.Qh4 Rxd4 31.Qe7 Nf6 32.Be3 Rd7 33.Qc5 Qe6 34.Qc8+ Ne8 35.Re1 Rd5 36.Qxe6 Rxe6
37.Ra1 Nd6 38.Bf4 Nb5 39.Re3  1/2-1/2

