[Event "Zuerich"]
[Site "Zuerich"]
[Date "1959.??.??"]
[Round "?"]
[White "Donner, Jan Hein"]
[Black "Unzicker, Wolfgang"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E54"]

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 b6
9.Qe2 Bb7 10.dxc5 Bxc3 11.bxc3 bxc5 12.Rd1 Qc7 13.Bd3 Nbd7 14.c4 Rab8 15.Bb2 h6
16.Qc2 Bxf3 17.gxf3 Qb7 18.Bxf6 Nxf6 19.Be2 Qb2 20.Qxb2 Rxb2 21.Bf1 Rfb8
22.Rd6 R2b6 23.Rd2 Kf8 24.Bd3 Ke7 25.Kf1 Rb2 26.Ke2 Nd7 27.f4 g5 28.Bc2 gxf4
29.exf4 Nb6 30.Bb3 Rxd2+ 31.Kxd2 Rd8+ 32.Ke3 Rd4 33.Rc1 Kf6 34.a4 a5 35.h3 Ke7
36.Rc3 f5 37.Rc1 Kf6 38.h4 Kf7 39.h5 Nd7 40.Bd1 Re4+ 41.Kf3 Re1 42.Kg3 Nf6
43.Kg2 Ng4 44.Ra1 Ke7 45.Rc1 Kd6 46.Rb1 Kc7 47.Rc1 e5 48.Rb1 e4 49.Bc2 Re2
50.Bd1 Rxf2+ 51.Kg1 Rxf4 52.Rb5 Kd6 53.Rxa5 e3 54.Ra6+ Ke5 55.a5 Nf2 56.Be2 Nh3+
57.Kg2 Ng5 0-1