[Event "IBM"]
[Site "Amsterdam"]
[Date "1971.??.??"]
[Round "1"]
[White "Ree, Hans"]
[Black "Keres, Paul"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2615"]
[ECO "C68"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Ne7 6.Nxe5 Qd4 7.Nf3 Qxe4 8.Re1 Qg6
9.Ne5 Qf6 10.d4 Bf5 11.Nc3 O-O-O 12.Qh5 Bg6 13.Qh3+ Qf5 14.Nxg6 fxg6 15.Qxf5+ gxf5
16.Bg5 Rd7 17.Rad1 h6 18.Bf4 g5 19.Be5 Rh7 20.f3 Ng6 21.Bg3 Rhe7 22.Bf2 Bg7
23.Kf1 Kd8 24.Ne2 Rf7 25.c3 Bf8 26.Nc1 Bd6 27.Nd3 Rfe7 28.Bg3 Ke8 29.Rxe7+ Kxe7
30.Re1+ Kf7 31.Ne5+ Bxe5 32.Bxe5 h5 33.h3 h4 34.Bh2 f4 35.Bg1 Ne7 36.Re5 Kf6
37.Ke2 b6 38.Re4 Rd8 39.Bf2 Nf5 40.b3 Nd6 41.Re5 c5 42.Kd3 Nf5 43.Ke4  1/2-1/2

