BBC News: Computers Crack Famous Board Game - Details of the recently-discovered exhaustive solution to draughts, and the resulting computer program that can never lose a game. - http://news.bbc.co.uk/1/hi/sci/tech/6907018.stm
Science Magazine: Checkers Is Solved - Paper by Jonathan Schaeffer et. al. describing the exhaustive solution of the game by computers, with the result that perfect play by both sides leads to a draw. (Abstract only; subscription required to view full article.) - http://www.sciencemag.org/cgi/content/abstract/1144079
Itchcraft Games - Rules for "Triple Decker Checkers". - http://itchcraft.com/
Little Polish - Brazilian draughts program. Features an artificial intelligence to play against and game analysis. - http://warcaby.w8.pl/
World Draughts Federation - Presents statutes and regulations, federations and committees, and a history of the game. - http://www.fmjd.org
Danish Draughts Federation - Features a gallery of players, rules and strategies. - http://www.draughts.dk
Byte - Instructions for a variant of checkers. - http://www.bytegame.com
The Checker Maven - Site includes articles, book reviews, news, tutorials, games, problems, and features. - http://www.bobnewell.net/nucleus/checkers.php
Draughts Maker - A shareware web application to design draughts in png or jpeg format. - http://www.pivari.com/draughtsdoc.html
Tri Check - A three level variant. Includes description and contact. - http://www.tri-check.com
Rules of Checkers - Includes the rules of checkers along with a short history, some strategy and a bulletin board. - http://www.indepthinfo.com/checkers/index.shtml
Checkerworld - Includes endings, problems, and news. - http://www.checkerworld.com/
CheckersLinks.com - A checkers directory with categorized links to checkers sites with rules, history, graphics, ratings, books, articles, software, forums, boards, playsites, leagues, and tournaments. - http://www.checkerslinks.com/
Jim Loy's Checkers Pages - Checkers enthusiast Jim Loy has a whole book on checkers online here. Learn about the game, look at commented old games and read his articles on checkers. - http://www.jimloy.com/checkers/checkers.htm
Checkers Information at Board Game Central - Information, book, and links about the game of Checkers, as well as software for Windows, Macintosh, and other platforms. - http://boardgamecentral.com/checkers/
About.com Checkers NetLinks - Annotated links to resources across the Web for checkers and draughts. - http://boardgames.about.com/msub10.htm