[Event "Prague zt playoff"]
[Site "Prague"]
[Date "1970.??.??"]
[Round "?"]
[White "Portisch, Lajos"]
[Black "Smejkal, Jan"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D77"]

1.Nf3 Nf6 2.c4 g6 3.d4 Bg7 4.g3 d5 5.Bg2 O-O 6.O-O dxc4 7.Na3 Nc6 8.Nxc4 Be6
9.b3 Bd5 10.Bb2 a5 11.Rc1 Qc8 12.a3 Rd8  1/2-1/2

