[Event "Leiden"]
[Site "Leiden"]
[Date "1970.??.??"]
[Round "2"]
[White "Donner, Jan Hein"]
[Black "Spassky, Boris V"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A61"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.Nd2 Bg7 8.Nc4 O-O
9.Bf4 Ne8 10.Qd2 b6 11.e3 Ba6 12.a4 Bxc4 13.Bxc4 Nd7 14.O-O Ne5 15.Be2 f5
16.e4 a6 17.exf5 gxf5 18.Bg3 Qd7 19.f4 Ng6 20.Rab1 Ra7 21.b4 Bxc3 22.Qxc3 Qxa4
23.bxc5 bxc5 24.Ra1 Qd7  1/2-1/2

