[Event "IBM"]
[Site "Amsterdam"]
[Date "1972.??.??"]
[Round "?"]
[White "Donner, Jan Hein"]
[Black "Uhlmann, Wolfgang"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2570"]
[ECO "D79"]

1.d4 Nf6 2.c4 g6 3.g3 c6 4.Bg2 d5 5.cxd5 cxd5 6.Nf3 Bg7 7.O-O O-O 8.Nc3 Nc6
9.Ne5 Nxe5 10.dxe5 Ng4  1/2-1/2

