just wondering... anyone know?
http://en.lichess.org/@/jakub78 . a pretty simple search function would save space on this forum, and save you from comments like the one above. (ask a stupid question, get a stupid answer)
The lowest possible rating is 800.
I know it because I've reached it! :x You can't go any lower than 800, after that point people can farm you for Elo.
I asked Thibault about it and it appears that (at the time) there were a few hundred others like me.