Rating comparisons have been updated! For the chess.com and USCF columns, I experienced entry to a listing of thousands of gamers with chess.com and USCF rankings. The record was then subset down to only players who have been lively in the previous 45 times and have performed about 25 video games. FIDE ratings applied a formulation from Mark Glickman to transform USCF to FIDE scores. Chessgoals.com survey data was used to develop the lichess columns.
Most of the comparisons involve applying a 2nd order polynomial with chess.com blitz serving as the impartial variable, and the dependent variable will be a person of the columns to the right.
Here’s an instance of the chess.com blitz vs USCF comparison: