I created a model to estimate your FIDE rating based on your online rating, this GIF shows my process (website/more info in comments) : r/chess

Classical chess or Fischer Random? Or both?

Are ratings the most accurate?

Is 1350 a good 10-minute rapid chess rating in chess.com? - Quora

unrated player -initial rating - Chess Forums

Pinoy Chess Tournament Bulletin

FIDE Elo rating [ Fide Elo rating calculator] - ChessEasy

I really, really enjoy chess.com's estimated rating system : r/chess

Fast chess - Wikipedia

How accurate / useful do you find this new game rating function on chess.com? PGN in comments. : r/chess

FIDE Rating Change Calculator