.
http://www.playchess.com/
The world's fastest growing chess server. More than 3000 players online every night. 100,000 games per day. Top grandmasters playing, free chess training, live events with audio commentary, free chess tournaments with prizes every day, simultaneous exhibitions, special beginners and computer chess rooms.
Click here to download the free client software to play chess on the internet now. It is easy to use and its powerful features offer a magnificent online chess experience.
Download playchess.com manual (pdf)
You have full access for 30 days. You can then purchase a serial number for one year or continue to play as guest for an unlimited time for free. Or take the best deal: order the complete Fritz in our Shop.
Players with Internet addresses from Russia and all former GUS countries, Africa, China and the Middle East have free access.
GMs and IMs who registered for King or Queen rank have free access and automatically earn Ducats for playing on the server.