[Event "Izt playoff"]
[Site "Budapest"]
[Date "1987.??.??"]
[Round "4"]
[White "Nunn, John DM"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2585"]
[BlackElo "2615"]
[ECO "B19"]

1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 8.h5 Bh7
9.Bd3 Bxd3 10.Qxd3 e6 11.Bd2 Ngf6 12.O-O-O Qc7 13.Ne4 O-O-O 14.g3 Be7 15.Kb1 c5
16.Bf4 Qc6 17.Nxf6 Bxf6 18.Rhe1 a6 19.Qe3 cxd4 20.Nxd4 Qb6 21.Qc3+ Qc5 22.Re3 b6
23.Qd3 Nb8 24.c3 Kb7 25.Qe2 Bxd4 26.cxd4 Qf5+ 27.Ka1 Nc6 28.Rc3 Rc8 29.Be5 Nxe5
30.dxe5 Rxc3 31.bxc3 Rc8 32.f4 Rxc3 33.Qg2+ Kb8 34.Kb2 Rc7 35.Rd8+ Rc8 36.Rd7 Rc7
37.Rd8+ Rc8 38.Rxc8+ Kxc8 39.Qc6+ Kd8 40.Qxb6+ Ke8 41.Qb8+ Ke7 42.Qd6+ Ke8
43.Qb8+ Ke7 44.Qd6+ Ke8 45.Qxa6 Qxh5 46.Qd3 g5 47.a4 gxf4 48.Qb5+ Kd8 49.Qb8+ Kd7
50.Qd6+ Ke8 51.gxf4 Qe2+ 52.Kb3 Qe1 53.Qb8+  1/2-1/2

