[Event "Halle zt"]
[Site "Halle"]
[Date "1963.??.??"]
[Round "?"]
[White "Kavalek, Lubomir"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B41"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 Nf6 6.Nc3 Bb4 7.Bd2 O-O 8.e5 Bxc3
9.Bxc3 Ne4 10.Qc2 d5 11.exd6 Nxc3 12.Qxc3 Qxd6 13.O-O-O Qf4+ 14.Qe3 Qxe3+
15.fxe3 e5 16.Nf3 Nc6 17.Be2 f6 18.Rd6 Bf5 19.Rhd1 Rfd8 20.Rxd8+ Rxd8 21.Rxd8+ Nxd8  1/2-1/2

