3 ms·And why do they use Elo to refer to rating on chess.com and lichess? [They use Glicko/Glicko2].by soegaard 3y agoAnd why do they use Elo to refer to rating on chess.com and lichess? [They use Glicko/Glicko2].ghqst 3y agoThe author has a short paragraph at the end about Glicko.soegaard 3y agoYes, he knows his stuff.