[Event "Leiden"]
[Site "Leiden"]
[Date "1970.??.??"]
[Round "3"]
[White "Spassky, Boris V"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B99"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7
9.O-O-O Nbd7 10.g4 b5 11.Bxf6 gxf6 12.f5 Ne5 13.Qh3 O-O 14.Nce2 Kh8 15.Nf4 Rg8
16.fxe6 fxe6 17.Nfxe6 Bxe6 18.Nxe6 Qd7 19.Nd4 Qxg4 20.Qxg4 Nxg4 21.Nf5 Nf2
22.Nxe7 Rge8 23.Nd5 Nxh1 24.Nc7 Nf2 25.Rd4 Rac8 26.Nxe8 Rxe8 27.Bg2 Rg8 28.Bf3 Ng4
29.Rxd6 Nxh2 30.Be2 Rg2 31.Kd1 Ng4 32.Bxg4 Rxg4 33.Rxf6 Rxe4 34.Rxa6 Kg7
35.Ra5 b4 36.Kd2 Kg6 37.Kd3 Rg4 38.Re5 h5 39.Ke3 Rg2 40.Re4 b3 41.cxb3 Rxb2
42.Ra4 Kg5 43.Kf3 Kf5 44.Ra5+ Kg6 45.Ra8 Kf5 46.Rf8+ Kg5 47.Rg8+ Kf5 48.Rg2 Rb1
49.Rc2 Kg5 50.Rc5+ Kh4 51.Rb5 Rf1+ 52.Kg2 Ra1 53.a4 Kg4 54.Rb4+ Kg5 55.Kf3 Rf1+
56.Kg3 Rg1+ 57.Kf2 Ra1 58.Kf3 Rf1+ 59.Kg2 Ra1 60.Rb8 h4 61.Kh2 Kg4 62.Rg8+ Kf4
63.Kg2 Ra3 64.Rb8 Ra1 65.Rb4+ Kg5 66.Kh2 Kh5 67.Kh3 Rh1+ 68.Kg2 Ra1  1/2-1/2

