[Event "Biel"]
[Site "Biel"]
[Date "1983.??.??"]
[Round "?"]
[White "Hebden, Mark"]
[Black "Nunn, John DM"]
[Result "1/2-1/2"]
[WhiteElo "2495"]
[BlackElo "2590"]
[ECO "B85"]

1.e4 c5 2.Nc3 e6 3.Nf3 d6 4.d4 cxd4 5.Nxd4 a6 6.Be2 Nf6 7.Be3 Be7 8.O-O O-O
9.f4 Nc6 10.Qe1 Bd7 11.Rd1 Qc7 12.Qg3  1/2-1/2

