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

What are the fastest ways to reach 1700+ in FIDE chess ratings? - Quora

Red flags in Niemann's games!!! - Chessable

An Elo-type rating model for players and teams of variable strength Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences

Developing a Generalized Elo Rating System for Multiplayer Games, by Danny Cunningham

Chess Room Newsletter #932

Kramnik-Fritz 06 g2 - The Daily Dirt Chess News Blog

Free Accuracy Calculator - Chess Forums

Train Your Own Chess AI. Watch your creation defeat you, by Logan Spears

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