[Event "EU-chT"]
[Site "Hamburg"]
[Date "1965.??.??"]
[Round "4"]
[White "Unzicker, Wolfgang"]
[Black "Donner, Jan Hein"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B99"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7
9.O-O-O Nbd7 10.Bxf6 Nxf6 11.g4 Nd7 12.g5 Nc5 13.h4 b5 14.a3 Rb8 15.b4 Na4
16.Nxa4 bxa4 17.f5 exf5 18.Nxf5 O-O 19.Rh3 Bxf5 20.exf5 Rfc8 21.Rd2 a5 22.f6 Bf8
23.b5 d5 24.Kb1 Re8 25.Rxd5 Rbc8 26.c4 Re1+ 27.Rd1 Qe5 28.Ka2 Rd8 29.Bd3 Rxd1
30.Qxd1 Rd4 31.Qc2 gxf6 32.gxf6 Qxf6 33.Qg2+ Bg7 34.Re3 Re4 35.Qxg7+ Kxg7
36.Rxe4 Qc3 37.Rg4+ Kh6  0-1

