[Event "Amsterdam"]
[Site "Amsterdam"]
[Date "1981.??.??"]
[Round "?"]
[White "Ree, Hans"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2650"]
[ECO "A79"]

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.e4 Bg7 8.Be2 O-O
9.O-O Re8 10.Nd2 Na6 11.Kh1 Nc7 12.f3 a6 13.a4 Rb8 14.a5 Bd7 15.Nc4 Bb5 16.Bg5 Bxc4
17.Bxc4 h6 18.Be3 b5 19.axb6 Rxb6 20.Qd2 Kh7 21.Ra2 Nd7 22.Qe2 Qb8 23.Na4 Rb4
24.Bd2 Rb7 25.Bxa6 Nxa6 26.Qxa6 Ra7 27.Qc4 Ne5 28.Qe2 Qb3 29.Ra3 Qc4 30.Qd1 Qd4
31.Bc3 Qxd1 32.Rxd1 Nc4 33.Raa1 Bxc3 34.Nxc3 Rb7 35.Na4 Ra8 36.Ra2 Kg7 37.Nxc5 Rxa2
38.Nxb7 Rxb2 39.Nd8 Ne3 40.Rg1 g5 41.h4 g4 42.fxg4 Nxg4  1/2-1/2

