[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1990.??.??"]
[Round "3"]
[White "Nunn, John DM"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2600"]
[BlackElo "2605"]
[ECO "C73"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Bxc6+ bxc6 6.d4 exd4 7.Qxd4 Nf6 8.O-O Be7
9.Nc3 O-O 10.b3 Bg4 11.Qd3 Bxf3 12.Qxf3 Nd7 13.Bb2 Bf6 14.Qe3 Re8 15.f4 c5
16.e5 dxe5 17.Ne4 exf4 18.Nxf6+ Nxf6 19.Qxf4 Re6 20.Rae1 Rxe1 21.Rxe1 Rb8
22.Qg5 Rb6 23.Qxc5 h6 24.h3 Rd6 25.Rf1 Ne4 26.Qe5 Nf6 27.Qg3 Ne8 28.a4 Qd7
29.Qf3 Rg6 30.Rf2  1/2-1/2

