Just as a little information for the ones who are interested:
It was not possible to load uci engines in the Fritz 8 gui using wine on ubuntu. Now with version 9.10 this works, no cheats or tricks were necessary.
If a later version like F9 or even higher is possible now, too, I have not tested yet, but if someone has made tests I would like to hear about it.
regards
Peter
ubuntu 9.10: Fritz8 (chessprogram8.exe) and uci engines: ok
Moderator: Ras