How do ratings on online chess sites (I'm active on chess.com) compare to official (FIDE or USCF) ratings? - Quora

Chess Club, IITK, Chess Summer Camp

I built a website that compares ratings from Chess.com, Lichess, FIDE, and USCF : r/chess

Chess Club, IITK, Position from my classical rated tournament game against Larry Larkins (2133 FIDE)

How good is an 850 ELO chess player? - Quora

About Online Chess Cheating

Rating Comparisons

Post your OTB, Online and Tactics rating! - Graphs done - Chess Forums

Is the online chess Elo the same as the one in real life tournaments? - Quora

In chess, why does it seem harder to beat 800-900 rated players than 1400-1500 rated players? - Quora