It was developed between the years 1989 to 2007 at the University of Alberta, by a team led by Jonathan Schaeffer and consisting of Rob Lake, Paul Lu, Martin Bryant, and Norman Treloar.The programs algorithms include an opening book which is a library of opening moves from games played by checkers grandmasters; a deep search algorithm; a good move evaluation function; and an end-game database for all positions with eight pieces or fewer.
All of Chinooks knowledge was programmed by its creators, rather than learned using an artificial intelligence system. ![]() At first the American Checkers Federation and English Draughts Association were against the participation of a computer in a human championship. When Tinsley resigned his title in protest, the ACF and EDA created the new title Man vs. ![]() The final score was 10 with 31 draws for Chinook over Lafferty. After the match, Jonathan Schaeffer decided not to let Chinook compete any more, but instead try to solve checkers. The solution was achieved, and the result published in 2007. The linear handcrafted evaluation function considers several features of the game board, including piece count, kings count, trapped kings, turn, runaway checkers (unimpeded path to be kinged) and other minor factors. All of Chinooks knowledge was programmed by its creators, rather than learned with artificial intelligence. Proceedings of the 2005 International Joint Conferences on Artificial Intelligence Organization. One Jump Ahead:: Challenging Human Supremacy in Checkers. Springer. ISBN 978-0-387-94930-7. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization.
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