[Event "Madrid"]
[Site "Madrid"]
[Date "1973.??.??"]
[Round "9"]
[White "Portisch, Lajos"]
[Black "Tukmakov, Vladimir B"]
[Result "0-1"]
[WhiteElo "2650"]
[BlackElo "2545"]
[ECO "B37"]

1.c4 c5 2.Nf3 g6 3.e4 Nc6 4.d4 cxd4 5.Nxd4 Nf6 6.Nc3 d6 7.Nc2 Bg7 8.Be2 Nd7
9.Bd2 Nc5 10.O-O O-O 11.f3 a5 12.Kh1 f5 13.exf5 Bxf5 14.Ne3 Nd4 15.Nxf5 Nxf5
16.Rb1 e6 17.b3 Kh8 18.Nb5 d5 19.cxd5 exd5 20.Rc1 b6 21.g4 Nd6 22.Bc3 Nxb5
23.Bxg7+ Kxg7 24.Bxb5 d4 25.Rc4 Rf4 26.a3 Qd5 27.b4 axb4 28.axb4 Ne6 29.Qe2 d3
30.Qb2+ Kh6 31.Bc6 Qxc4 32.Bxa8 d2 33.Qb1 Rd4  0-1

