[Event "IBM"]
[Site "Amsterdam"]
[Date "1977.??.??"]
[Round "10"]
[White "Donner, Jan Hein"]
[Black "Quinteros, Miguel A"]
[Result "1-0"]
[WhiteElo "2470"]
[BlackElo "2555"]
[ECO "E92"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.d5 a5 8.Be3 Ng4 9.Bg5 f6
10.Bh4 Na6 11.Nd2 Nh6 12.f3 Nf7 13.a3 Bd7 14.Rb1 Nc5 15.b4 axb4 16.axb4 Na4
17.Qb3 Bh6 18.Nd1 Ng5 19.Bf2 f5 20.c5 Kh8 21.Ra1 Nh3 22.gxh3 Bxd2+ 23.Kxd2 Nxc5
24.bxc5 Rxa1 25.exf5 Bxf5 26.Rg1 Qa8 27.Nc3 Rxg1 28.Bxg1 dxc5 29.Bxc5 Re8
30.Ne4 b6 31.Be3 Qa5+ 32.Kc2 Qe1 33.Bc4 Qh1 34.Bd2 Qxh2 35.Qb5 Rd8 36.Qc6 Rf8
37.d6 b5 38.Bd3 cxd6 39.Qxd6 Rc8+ 40.Kb3 Bxe4 41.Bxe4  1-0

