[Event "Halle zt"]
[Site "Halle"]
[Date "1967.??.??"]
[Round "5"]
[White "Zinn, Lothar"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B43"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 b5 6.g3 b4 7.Na4 Bb7 8.Bg2 Nf6
9.Qe2 Nc6 10.Be3 Nxd4 11.Bxd4 Be7 12.b3 Bc6 13.c4 bxc3 14.Nxc3 Qa5 15.f4 Bb4
16.Rc1 Bb5 17.Qd2 d6 18.e5 dxe5 19.fxe5 Nd5 20.Bxd5 exd5 21.a4 Bd7 22.O-O Be6
23.Qf2 Rb8 24.Na2 Be7 25.Rc3 O-O 26.Rfc1 Rb7 27.Qc2 Rfb8 28.Rc7 Qxc7 29.Qxc7 Rxc7
30.Rxc7 Ba3 31.Ra7 h5 32.Rxa6 Rxb3 33.Nc3 Bc1 34.Rc6 Rb4 35.Ba7 d4 36.Nb5 Be3+
37.Kf1 Bc4+ 38.Rxc4 Rxc4 39.a5 Ra4 40.Bb6 Bd2  0-1

