[Event "IBM-B"]
[Site "Amsterdam"]
[Date "1970.??.??"]
[Round "11"]
[White "Hamann, Svend"]
[Black "Timman, Jan H"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D40"]

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.e3 d5 5.Nc3 Nc6 6.cxd5 Nxd5 7.Bc4 cxd4 8.exd4 Be7
9.O-O O-O 10.a3 Nxc3 11.bxc3 b6 12.Qd3 Bb7 13.Ba2 Rc8 14.Re1 Bf6 15.Bf4 g6
16.h4 Bxh4 17.Bh6 Re8 18.d5 Be7 19.Rad1 exd5 20.Bxd5 Na5 21.Rxe7  1-0

