[Event "Berlin tt"]
[Site "Berlin"]
[Date "1965.??.??"]
[Round "1"]
[White "Donner, Jan Hein"]
[Black "Unzicker, Wolfgang"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E55"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.O-O dxc4 8.Bxc4 Nbd7
9.Qe2 a6 10.a4 b6 11.Rd1 cxd4 12.exd4 Bb7 13.d5 exd5 14.Nxd5 Nxd5 15.Bxd5 Bxd5
16.Rxd5 Qc7 17.Be3 Nf6 18.Rd4 Bc5 19.Rc4 Qe7 20.Nd4 Nd5 21.a5 Nxe3 22.fxe3 b5
23.Rc2 Rfe8 24.Qf2 Ba7 25.Nc6 Qxe3 26.Nxa7 Qxf2+ 27.Kxf2 Rxa7 28.Rd1  1/2-1/2

