[Event "Varna olm"]
[Site "Varna"]
[Date "1962.??.??"]
[Round "11"]
[White "Donner, Jan Hein"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E91"]

1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nc3 Bg7 5.e4 d6 6.Nf3 O-O 7.Be2 e5 8.dxe6 fxe6
9.e5 dxe5 10.Qxd8 Rxd8 11.Nxe5 Nd5 12.cxd5 Bxe5 13.dxe6 Bxe6 14.O-O Nc6 15.Bf3 Bf7
16.Re1 Re8 17.Bxc6 bxc6 18.Be3 Rab8 19.Re2 Bd4 20.Bxd4 cxd4 21.Ne4 Kg7 22.b3 Bd5
23.Ng3 c5 24.Rc1 d3 25.Rd2 c4 26.bxc4 Bxc4 27.f3 Rec8 28.Ne4 Bxa2 29.Rxc8 Rxc8
30.Rxd3 Rc7 31.Ra3 Be6 32.Nd6 Bd7 33.Ne4 Kf8 34.Kf2 Ke7 35.g4 Bb5 36.Nc3 Bc4
37.Ke3 Rd7 38.Ne4 a6 39.f4 Bb5 40.f5 gxf5 41.gxf5  1/2-1/2

