The lowest possible rating is 100
Lowest rating possible
Because when my rating was 100, and I lost, I didn't lose anything. My rating didn't go down to something like 87, because you can't have a rating less than 100.

I think it is impossible, but 0 rating could be possible!
Dec 3, 2016 — In the beginning on chess.com you could go to zero, but now IIRC it's capped at 100. Same for USCF I believe, can't go lower than 100. FIDE doesn't really have ...
no

This guy has the lowest rating on chess.com:
You're right, and timmaylivinalie hasn't played since, like, 2008.

What is the lowest Elo rating possible in chess? Is possible to have a negative rating? I was thinking of trying to become the lowest rated player on the site since becoming the best has proven to be difficult.
Let me think... we can't go less than 100 elo right?
YES YOU CAN'T

Is it possible to get -1 rating?
NOOOOO [Please no spamming. I removed a ton of Os. No worries though; just try not to spam in the general forums. Spamming can be multiple posts, or it can be holding down one key for a lot of unneeded letters.] - V39
the lowest elo raiting (rapid) is 100.