[Event "IBM"]
[Site "Amsterdam"]
[Date "1973.??.??"]
[Round "6"]
[White "Andersson, Ulf"]
[Black "Timman, Jan H"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c6 5. O-O O-O 6. Nc3 d5 7. cxd5 cxd5 8. d4 Ne4 9. Ne5 Nxc3 10. bxc3 Nd7 11. Nxd7 Qxd7 12. Qd3 Rd8 13. e4 1/2-1/2