[Event "London"]
[Site "London"]
[Date "1986.??.??"]
[Round "9"]
[White "Portisch, Lajos"]
[Black "Nunn, John DM"]
[Result "1-0"]
[WhiteElo "2610"]
[BlackElo "2585"]
[ECO "E92"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.Be3 h6 8.h3 exd4
9.Nxd4 Re8 10.Qc2 Qe7 11.Bd3 Na6 12.Qd2 Nc5 13.f3 Nxd3+ 14.Qxd3 c6 15.Kf2 Nh5
16.Nde2 f5 17.Rad1 fxe4 18.Qxe4 Qf7 19.Qd3 Bf5 20.Qd2 Re7 21.Bxh6 Qxc4 22.Bxg7 Nxg7
23.Qxd6 Rae8 24.Rhe1 Rd7 25.Qa3 Qh4+ 26.g3 Qh6 27.Nf4 Rxe1 28.Kxe1 Rxd1+
29.Kxd1 g5 30.Nfe2 Qxh3 31.Qb3+ Kh7 32.Qxb7 Qf1+ 33.Kd2 Qxf3 34.Qxa7 Qd3+
35.Ke1 Bg4 36.b3 Bf3 37.Kf2 Bxe2 38.Nxe2 Qf5+ 39.Ke3 Kg6 40.Qd4 Qc2 41.Qe4+ Nf5+
42.Kf3  1-0

