[Event "IBM-B"]
[Site "Amsterdam"]
[Date "1975.??.??"]
[Round "1"]
[White "Schiffer, Karl Josef"]
[Black "Nunn, John DM"]
[Result "1-0"]
[WhiteElo "2435"]
[BlackElo "2375"]
[ECO "A67"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5+ Nfd7
9.Bd3 O-O 10.Nf3 Na6 11.O-O Rb8 12.Be3 Nf6 13.h3 Nc7 14.a4 a6 15.Rc1 Re8
16.Bf2 b5 17.Bh4 Qd7 18.Re1 bxa4 19.Re2 Nh5 20.Qd2 Nb5 21.g4 Nd4 22.Nxd4 Bxd4+
23.Kh1 Bf6 24.Be1 Ng7 25.Bg3 Rb4 26.e5 dxe5 27.fxe5 Bd8 28.Be4 f5 29.Bg2 fxg4
30.Ne4 gxh3 31.Bf3 Rd4 32.Qe1 Qf5 33.Re3 Rxd5 34.Nf6+ Bxf6 35.Bxd5+ Kh8 36.Be4 Qg5
37.exf6 Nf5 38.f7 Rf8 39.Bxf5  1-0

