Kengan fighters ELO rating list : r/Kengan_Ashura

Statistical Analysis of the Elo Rating System in Chess

Rating analytics: The number of rated chess players goes up

FIDE Elo rating [ Fide Elo rating calculator] - ChessEasy

Double Chess ELO Calculator

Your New Monthly ECF Rating Explained - Dorset Chess

Elo Calculator - Lion Chess

Chess Elo Calculator by Mastermind Computing

My Chess Life: MISTAKES IN FIDE RATING CALCULATION

How are the FIDE ratings calculated and what do they reflect about

In April 2014, Carlsen's 100-game performance rating reached 2900 for a duration of 2 games (likely the only time in history that this has been achieved). : r/chess