[Event "Buenos Aires CA"]
[Site "Buenos Aires"]
[Date "1955.??.??"]
[Round "4"]
[White "Pachman, Ludek"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D35"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.cxd5 exd5 5.d4 Ne4 6.Qc2 Nxc3 7.bxc3 Nc6 8.g3 Bd6
9.Bg2 Ne7 10.O-O O-O 11.c4 c6 12.Ne5 Re8 13.cxd5 Nxd5 14.Nc4 Bf8 15.a3 Nb6
16.Nxb6 Qxb6 17.Rd1 Qb5 18.e4 Qh5 19.f3 Bh3 20.Bh1 Be6 21.Rb1 Re7 22.a4 Rd7
23.Be3 Qa5 24.f4 Re8 25.f5 Bxf5 26.Bd2  1-0

