[Event "Las Palmas"]
[Site "Las Palmas"]
[Date "1972.??.??"]
[Round "12"]
[White "Portisch, Lajos"]
[Black "Lehmann, Heinz Dr"]
[Result "1/2-1/2"]
[WhiteElo "2640"]
[BlackElo "2395"]
[ECO "E80"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 a6 6.Be3 c6 7.Bd3 b5 8.e5 Nfd7 9.f4 Bb7
10.c5 dxc5 11.dxc5 a5 12.Rc1 Na6 13.Nce2 Nf8 14.Nf3 Nb4 15.Bb1 Qxd1+ 16.Rxd1 Ne6
17.f5 gxf5 18.Bxf5 Nd5 19.Bf2 Nf8 20.Nc3 Nxc3 21.bxc3 e6  1/2-1/2

