[Event "15th olm qual. group 3"]
[Site "Varna BUL"]
[Date "1962.09.26"]
[Round "9"]
[White "Pachman, Ludek CSR"]
[Black "Donner, Jan NED"]
[Result "1/2-1/2"]
[ECO "D57"]
[EventDate "1962.09.16"]
[PlyCount "47"]

1.c4 e6 2.Nf3 d5 3.d4 Nf6 4.Nc3 Be7 5.Bg5 h6 6.Bh4 Ne4 7.Bxe7 Qxe7 8.cxd5 
Nxc3 9.bxc3 exd5 10.Qb3 Qd6 11.e3 O-O 12.c4 dxc4 13.Bxc4 Nd7 14.O-O c5 15.
Qa3 b6 16.Rfd1 Bb7 17.Be2 Rfd8 18.Rac1 Qf8 19.dxc5 Nxc5 20.Nd4 Ne4 21.Qa4 
Nc5 22.Qa3 Ne4 23.Qa4 Nc5 24.Qa3 1/2-1/2

