[Event "Baden"]
[Site "Vienna"]
[Date "1980.??.??"]
[Round "15"]
[White "Nunn, John DM"]
[Black "Van der Wiel, John TH"]
[Result "1/2-1/2"]
[WhiteElo "2515"]
[BlackElo "2465"]
[ECO "B57"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 Qb6 7.Nb3 e6 8.O-O a6
9.a4 Qc7 10.a5 Nxa5 11.Nxa5 b6 12.e5 bxa5 13.exf6 Qxc4 14.fxg7 Bxg7 15.Qxd6 Ra7
16.Rxa5 Rd7 17.Qc5 Qxc5 18.Rxc5 Bb7 19.Rd1 Bf8 20.Rxd7 Kxd7 21.Rc4 Rg8 22.Ne4 Be7
23.Rd4+ Kc8 24.Rc4+ Kd8 1/2-1/2