[Event "Amsterdam IBM"]
[Site "Amsterdam NED"]
[Date "1961.05.26"]
[EventDate "1961.05.25"]
[Round "2"]
[Result "1/2-1/2"]
[White "Robert Wade"]
[Black "Carel Benjamin van den Berg"]
[ECO "E25"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "85"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.f3 d5 7.cxd5
Nxd5 8.Qc2 cxd4 9.cxd4 Nc6 10.e4 Nde7 11.Bb2 Nxd4 12.Qa4+ Nec6
13.Rd1 e5 14.Bb5 O-O 15.Bxc6 bxc6 16.Bxd4 exd4 17.Qxd4 Qa5+
18.Kf2 Qxa3 19.Ne2 Be6 20.Ra1 Qe7 21.Ra5 Rfd8 22.Qc3 Qc7
23.Rha1 Qxh2 24.Ng3 Qh6 25.Rxa7 Rab8 26.Nf1 Qg5 27.Rc1 h5
28.Ra6 h4 29.Rxc6 h3 30.gxh3 Rb3 31.Qc5 Qh4+ 32.Ke2 Qxh3
33.Qf2 Qh5 34.Ne3 Rb2+ 35.R6c2 Qb5+ 36.Ke1 Rxc2 37.Qxc2 Qa5+
38.Qc3 Qg5 39.Ke2 Qg3 40.Nd1 Rc8 41.Qxc8+ Bxc8 42.Rxc8+ Kh7
43.Nf2 1/2-1/2