[Event "Amsterdam"]
[Site "Amsterdam"]
[Date "1981.??.??"]
[Round "?"]
[White "Langeweg, Kick"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[WhiteElo "2455"]
[BlackElo "2650"]
[ECO "E12"]

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.a3 c5 5.d5 Ba6 6.Qc2 exd5 7.cxd5 Bb7 8.e4 Qe7
9.Bd3 Nxd5 10.O-O Nc7 11.Bg5 f6 12.Bh4 Nc6 13.Nbd2 Ne6 14.e5 O-O-O 15.Rfe1 Qf7
16.exf6 gxf6 17.Bg3 f5 18.Bc4 Rg8 19.Qa4 f4 20.Bh4 Be7 21.Bxe7 Qxe7 22.Ne4 Kb8
23.b4 Qg7 24.Bf1 Ncd4 25.Nxd4 Nxd4 26.Qd1 Rde8 27.f3 d5  0-1

