Chess Rating to IQ Calculator - Does Chess Increase IQ?
Performance Calculator – Juniors
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
Chess Rating Percentile Calculator & Distribution Graph
Chess Ratings - All You Need to Know - ChessGoals.com
MinStrength: An Alternative to Performance Rating | ChessBase
Rating Gain Calculator with 3 Input Variables - Chess.com