[Event "Amsterdam IBM-B"]
[Site "Amsterdam NED"]
[Date "1966.07.12"]
[EventDate "1966.07.05"]
[Round "7"]
[Result "1-0"]
[White "Leo J Kerkhoff"]
[Black "Andreas Dueckstein"]
[ECO "C02"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "63"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.a3 c4 7.Be2 Bd7
8.Nbd2 Na5 9.O-O Ne7 10.Rb1 Ng6 11.g3 f6 12.b4 cxb3 13.c4 fxe5
14.cxd5 exd5 15.Nxe5 Nxe5 16.dxe5 Bf5 17.Rxb3 Nxb3 18.Nxb3 a6
19.Be3 Qd8 20.Nd4 Bh3 21.Bb5+ axb5 22.Qh5+ g6 23.Qxh3 Qd7
24.e6 Qe7 25.Rc1 Bg7 26.Nf5 Qf6 27.Nd6+ Ke7 28.Rc7+ Kxd6
29.Bf4+ Qxf4 30.Rd7+ Kc6 31.gxf4 Bd4 32.Qf3 1-0