Glicko is the system used to calculate the ratings here. RD stands for rating deviation.
For full details, read this article. Brace yourself for some stats though!
http://www.chess.com/article/view/chess-ratings---how-they-work
Glicko is the system used to calculate the ratings here. RD stands for rating deviation.
For full details, read this article. Brace yourself for some stats though!
http://www.chess.com/article/view/chess-ratings---how-they-work
Under the Rating heading in the Tactics Trainer, there's a row that says Glicko RD. Does anyone know what this is? Thanks.