United States Chess Federation (USCF)
Federation Internationale des Eschecs (FIDE)
Pennsylvania State Chess Federation
New Jersey State Chess Federation
Maryland Chess Association
Virginia Chess Federation
United States Braille Chess Association
International Physically Disabled Chess Association
International Braille Chess Association
International Committee of Silent Chess
Wholesale Chess - I'd recommend you check prices here first
Chessbase - great site for news, books and software
Free computer opponent - you can download additional engines too!
Free database program
Free database of games to go with the above program
Chess.fm - listen to chess news and hear live broadcasts of chess events
Chess Hall of Fame - USCF site for online play (US Chess Live)
Playchess - excellent international server - associated with chessbase.
Internet Chess Club - very popular international server - chess.fm is integrated into their service.
Dan Heisman's Chess Page
Jeremy Silman's Chess Page
Chess Graphics
50 Chess Tips - free advice
ChessCafe
London Chess Center
Chess Tactics Server
Chessville - download tactics problems
Yenra rss feeds
Sevilla tournament software
Chesslab Online database of games
The Week in Chess
The Ultimate Blunder
Mazeworks puzzles
Logicalchess puzzles
Bear Chess Club