[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1990.??.??"]
[Round "9"]
[White "Portisch, Lajos"]
[Black "Nijboer, Friso"]
[Result "1/2-1/2"]
[WhiteElo "2605"]
[BlackElo "2485"]
[ECO "E84"]

1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.f3 O-O 6.Be3 Nc6 7.Nge2 a6 8.Qd2 Rb8
9.h4 e5 10.d5 Na5 11.Ng3 c5 12.Rb1 b6 13.Be2 h5 14.b3 Bd7 15.a4 Nh7 16.Bf2 Bf6
17.Nf1 Bg7 18.b4 Nb7 19.b5 axb5 20.axb5 Ra8 21.Ne3 f5 22.Nc2 Qe7 23.Bd3 Nd8
24.Ke2 Nf7 25.Ra1 Nh6 26.Ra6 Rxa6 27.bxa6 Ra8 28.Ra1 Bc8 29.Qc1 Rxa6 30.Rxa6 Bxa6
31.Qb1 Qc7 32.Na3 Bc8 33.Nab5 Qe7 34.Qa2 Nf8 35.Qa8 Bd7 36.Qb7 Bf6 37.Qxb6 Nf7
38.Nd1 f4 39.Qc7 Kg7 40.Kd2 Kg8 41.Bf1 Kg7 42.Be2 Kg8  1/2-1/2

