12932 Players currently online!
Man vs. Machine - good luck!
Turn-based games at any time!
Vote for the best move to win!
Do you have what it takes?
Sharpen your tactical vision!
Get advice and game insights!
Learn from top players & pros!
View millions of master games!
Your virtual chess coach!
Perfect your opening moves!
Test your skills vs. computer!
Find the right private coach!
Can you solve it each day?
Bring it all together!
Beginners, start here!
Make friends & play team games!
News from the world of chess!
Search all Chess.com members!
Find local clubs & events!
Who's the best of your friends?
Read what members are saying!
What is "Glicko RD" that appears in one's stats??
It's the uncertainty in your rating (if you're familiar with statistics, it's similar to the standard deviation).
It's a measure of uncertainty in your rating. It goes up if you don't play much (or are new), and it goes down if you play a lot. The higher your opponent's is, the less your rating is affected by the game.
Of course Glicko assumes. Glicko (and the Elo rating it is based off of) are Bayesian estimates. Bayesian statistics is based on assuming a prior distribution. Of course, this means that all Bayesian estimates are what statisticians call biased: they are not the most likely estimate. The ammount of the bias depends on the discrepancy between the prior distribution and the actual distribution, which will vary from pool to pool.
Traps in the Ruy Lopez
by VulcanForge 4 minutes ago
9/18/2014 - Mate in 4
by 3trees 4 minutes ago
The Grand Prix Attack
by returnofxpchesser 5 minutes ago
Rules for team matches
by Steve212000 5 minutes ago
True or false? Chess will never be solved! why?
by Erik-the-Viking 9 minutes ago
Find The Tactics! Part - 3
by GMGavishChotani 20 minutes ago
Poker Chess Magic The Gathering Baccarat
by Here_Is_Plenty 26 minutes ago
QGA Main line: 7th move.
by pfren 32 minutes ago
9/11/2014 - Mate in 6
by GMGavishChotani 52 minutes ago
Benjamin Hamp highest rated 5 year old by USCF.
by GMGavishChotani 53 minutes ago
Why Join | Chess Topics |
Help & Support |
© 2014 Chess.com
• Chess - English
We are working hard to make Chess.com available in over 70 languages. Check back over the year as we develop the technology to add more, and we will try our best to notify you when your language is ready for translating!