[Event "Zuerich training"]
[Site "Zuerich"]
[Date "1968.??.??"]
[Round "?"]
[White "Keres, Paul"]
[Black "Kupper, Josef"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B37"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Nc2 d6 7.Be2 f5 8.exf5 Bxf5
9.Ne3 Nh6 10.O-O O-O 11.Nc3 Be6 12.Bf3 Qd7 13.Bd5 Kh8 14.Ne4 Nd4 15.Bd2 Nhf5
16.Re1 Bg8 17.Bxg8 Kxg8 18.Bc3 e5 19.Nxf5 Rxf5 20.Qd3 d5 21.cxd5 Qxd5 22.Bxd4 exd4
23.a4 Rc8 24.Rac1 Rff8 25.h4 Kh8 26.Ng5 h6 27.Rxc8 Rxc8 28.Ne6 Qf5 29.Qxf5 gxf5
30.Nf4 Rc2 31.Re8+ Kh7 32.Re7 Kg8 33.Rxb7 Rc1+ 34.Kh2 Be5 35.g3 Bxf4 36.gxf4 d3
37.Rd7 Rc2 38.Kg3 d2 39.b4 Ra2 40.a5 Rb2 41.Kf3  1/2-1/2

