[Event "Gothenburg Interzonal"]
[Site "Gothenburg"]
[Date "1955.??.??"]
[Round "17"]
[White "Unzicker, Wolfgang"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C10"]

1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Be7 6.Bd3 Ngf6 7.Qe2 Nxe4 8.Bxe4 c5
9.d5 e5 10.Bf5 O-O 11.O-O Bf6 12.Nd2 g6 13.Bxd7 Qxd7 14.Ne4 Bg7 15.Rd1 b6
16.Bh6 f5 17.Bxg7 Qxg7 18.Nc3 Bb7 19.a4 a5 20.Qb5 Qc7 21.d6 Qd8 22.Nd5 Bxd5
23.Rxd5 e4 24.Rad1 Kg7 25.d7 Rf6 26.h3 Re6 27.Qc4 Re7 28.Rd6 Ra7 29.Qc3+ Kg8
30.Qf6 Ra8 31.Qxe7 1-0