Flyordie.com - Is FlyOrDie Down Right Now?

Chess Ratings - All You Need to Know

Initial rating 1200 too high - Chess Forums

What is considered an average chess rating? - Quora

Chess Ranking System: A Complete Guide

rating - What do you call average? - Chess Stack Exchange

Historical Chess Ratings – dynamically presented

Chess rules –

Lichess vs Chess.com, Battle of the Top 2 Chess Websites

Does Praggnandhaa play online Chess? Nihal Sarin blazes away on Lichess, but apparently Praggnandhaa is faster, as per Sarin's own words. - Quora

How do sites of online chess gaming, like flyordie, analyze our moves to determine if the player is using a software like chess master? - Quora