Online chess community where you can play chess, learn strategies and tactics, read chess news, see book reviews, find rules & tips, get free downloads, and more! http://www.chess.com/ 2007 Chess.com (Personal opinion below, and does not necessarily represent the views of chess.com management or anyone else with authority or insight.) Not many minutes go by in Live Chess chat without some player asking the question: "Is a premium membership w...http://blog.chess.com/DrawMaster/premium-membership-correlates-with-player-ratingFri, 07 Aug 2009 20:20:31 -0700http://blog.chess.com/DrawMaster/premium-membership-correlates-with-player-ratingAfter you've played in Live Chess for a few days or more, you recognize that there are three separately rated game types: Quick, Blitz, and Long. You also note that time controls of 1 0 and 2 0 games are Quick, that 3 0 through 14 0 are Blitz, and...http://blog.chess.com/DrawMaster/how-to-calculate-the-effect-of-bonus-timeSun, 03 May 2009 16:23:55 -0700http://blog.chess.com/DrawMaster/how-to-calculate-the-effect-of-bonus-timeMany people ask, "What is an average player rating?" Well, there are many answers to that, but here I'll present just two possible measures. You can decide if these are representative and helpful. The first of these is a snapshot of the ratings ...http://blog.chess.com/DrawMaster/uscf-ratings-profile-is-bimodalFri, 10 Apr 2009 13:42:54 -0700http://blog.chess.com/DrawMaster/uscf-ratings-profile-is-bimodal