[Event "IBM"]
[Site "Amsterdam"]
[Date "1977.??.??"]
[Round "6"]
[White "Donner, Jan Hein"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[WhiteElo "2470"]
[BlackElo "2550"]
[ECO "E53"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 O-O 6.Nf3 d5 7.O-O b6 8.cxd5 exd5
9.Ne5 Bxc3 10.bxc3 Ba6 11.Bxa6 Nxa6 12.Qd3 Qc8 13.f3 Re8 14.Bb2 Qb7 15.c4 cxd4
16.Qxd4 dxc4 17.Nxc4 Red8 18.Qh4 Ne8 19.Rfd1 f6 20.Rd4 Nac7 21.Rad1 Ne6 22.Rxd8 Rxd8
23.Rxd8 Nxd8 24.Qd4 Ne6 25.Qc3  1/2-1/2

