[Event "OHRA-A"]
[Site "Amsterdam"]
[Date "1990.??.??"]
[Round "7"]
[White "Nunn, John DM"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2610"]
[BlackElo "2590"]
[ECO "B93"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 e5 7.Nf3 Nbd7 8.a4 Be7
9.Bd3 O-O 10.O-O Nc5 11.Kh1 exf4 12.Bxf4 Bg4 13.h3 Bh5 14.Qe1 Re8 15.Nd4 Bg6
16.Rd1  1/2-1/2

