[Event "Brussels OHRA"]
[Site "Brussels"]
[Date "1985.??.??"]
[Round "?"]
[White "Nunn, John DM"]
[Black "Gruenfeld, Yehuda"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2475"]
[ECO "B90"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e5 7.Nf3 Qc7 8.a4 Be6
9.Ng5 Bc4 10.Bxc4 Qxc4 11.Qd3 Qc7 12.O-O Be7 13.Nf3 Nbd7 14.Bg5 Rc8 15.Rfd1 O-O
16.Nh4 g6 17.Bh6 Rfd8 18.Nf5 Bf8 19.Qg3 Bxh6 20.Nxh6+ Kf8 21.Rd3 Qb6 1/2-1/2