[Event "Amsterdam GAK"]
[Site "Amsterdam NED"]
[Date "1963.12.15"]
[EventDate "?"]
[Round "4"]
[Result "1-0"]
[White "Mikhail Botvinnik"]
[Black "Jan Hein Donner"]
[ECO "A14"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "61"]

1.c4 Nf6 2.Nf3 e6 3.g3 d5 4.Bg2 Be7 5.O-O O-O 6.b3 b6 7.Bb2
Bb7 8.cxd5 Nxd5 9.d4 c5 10.dxc5 Bxc5 11.Nbd2 Nd7 12.a3 N5f6
13.b4 Be7 14.Nd4 Bxg2 15.Kxg2 Qc7 16.Qb3 Rfc8 17.Rfc1 Qb7+
18.Qf3 Nd5 19.e4 N5f6 20.b5 a6 21.Nc6 Bf8 22.a4 axb5 23.axb5
Rxa1 24.Rxa1 Ra8 25.Rd1 Ne8 26.Nc4 Nc5 27.e5 Rc8 28.Ra1 Rc7
29.Ra7 Qxa7 30.Nxa7 Rxa7 31.Nxb6 1-0