[Event "FRG-NED"]
[Site "Krefeld FRG"]
[Date "1969.03.22"]
[EventDate "?"]
[Round "1"]
[Result "0-1"]
[White "Jan Hein Donner"]
[Black "Klaus Viktor Darga"]
[ECO "D37"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "44"]

1.d4 d5 2.c4 e6 3.Nc3 Be7 4.Bf4 Nf6 5.e3 O-O 6.Nf3 b6 7.cxd5
Nxd5 8.Nxd5 exd5 9.Bd3 c5 10.dxc5 bxc5 11.O-O Nc6 12.Ne5 Nxe5
13.Bxe5 Be6 14.Qc2 g6 15.b3 Rc8 16.e4 c4 17.bxc4 dxc4 18.Be2
c3 19.Bd3 Bd6 20.Bxd6 Qxd6 21.f4 Rfd8 22.Be2 Qc5+ 0-1