Solving checkers named by Science Magazine as one of the top 10 breakthroughs for 2007.
Nature names Solving Checkers as one of the 10 big stories of 2007.
New York Times featured in the 2007 Year End in Ideas special issue.
April 29, 2007
Checkers is solved. From the starting position, black to play can only draw against a perfect opponent. This is the largest non-trivial game of skill to be solved -- it is more than one million times bigger than Connect Four and Awari (the previously biggest games that have been solved).
To achieve this results, we had to solve 19 of the 3-move openings. We will continue our computations to eventually solve all the 3-move openings.
March 1, 2007
Proofs are going very well! Stay tuned for exciting news in the next few months.
December 1, 2006
09-13 24-20 11-15 is a proven draw.
October 13, 2006
09-13 23-19 11-16 is a proven draw.
September 18, 2006
A seventh opening has been solved. 09-13 24-19 11-15 is a proven draw.
July 25, 2006
A sixth opening has been solved. 09-13 22-18 10-15 is a proven draw.
July 12, 2006
A fifth opening has been solved. 09-13 23-18 05-09 is a proven draw.
July 6, 2006
A fourth opening has been solved. 09-13 21-17 06-09 is a proven draw.