[Event "Raach zt"]
[Site "Raach"]
[Date "1969.??.??"]
[Round "?"]
[White "Portisch, Lajos"]
[Black "Zwaig, Arne"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A88"]

1.d4 f5 2.g3 g6 3.Bg2 Nf6 4.Nf3 d6 5.b3 Bg7 6.Bb2 c6 7.O-O O-O 8.c4 a5 9.Nc3 Ne4
10.Rc1 d5 11.cxd5 cxd5 12.Ne5 Be6 13.Na4 Nd7 14.f3 Nef6 15.Qd2 Qb8 16.Qe3 Ra6
17.Nd3 Bf7 18.Nac5 Nxc5 19.dxc5 Re6 20.Qd2 h6 21.Rc2 g5 22.Qxa5 Ra6 23.Qd2 Rxa2
24.Be5 Rxc2 25.Qxc2 Qc8 26.Qb2 Be8 27.f4 Rf7 28.Qd4 Qe6 29.Ra1 Bb5 30.Ra5 Bc6
31.b4 Qd7 32.Nf2 Kh7 33.Nh3 Ng4 34.Bxg7 Rxg7 35.fxg5 hxg5 36.Qd2 f4 37.Qd3+ Kh6
38.b5 Qd8 39.Ra3 Be8 40.gxf4 Qc7 41.Qxd5 gxf4  1-0

