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Samuel's successes included a victory by his program over a master-level player. In fact, the opponent was not a master, and Samuel himself had no illusions about his program's strength. This single event, a milestone in AI, was magnified out of proportion by the media and helped to create the impression that checkers was a solved game. Nevertheless, his work stands as a major achievement in machine learning and AI. Since 1950, the checkers world has been dominated by Tinsley.


Review of One Jump Ahead: Challenging Human Supremacy in Checkers

AI Magazine

Tinsley admirably overcomes this obstruction, how Tinsley's sacrifice enables his ultimate defeat, and how vided more than a glimpse of the Tinsley deals with the end of his domination University of Alberta set out to intense process it described. One Jump Ahead was written by the On a sad note, the community He succeeded. Even though One Jump Ahead is human nature. Schaeffer had to unfortunate because the world checkers the human aspects of Schaeffer's journey Finally, Kidder's book, The Soul of a New nearly unbeatable world champion of Schaeffer had to deal with However, One Jump Ahead is We also get to know many of his about and what the consequences of quite different and, in my opinion, friends and rivals, including Asa Long, this success were. We and turns has lessons to be learned was written by an outsider-- one who see these checkers players not just as about human nature.


Computer can't lose checkers - USATODAY.com

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"The program can achieve at least a draw against any opponent, playing either the black or white pieces," the researchers say in this week's online edition of the journal Science. "Clearly ... the world is not going to be revolutionized" by this, said Jonathan Schaeffer, chairman of the department of computing science at the University of Alberta. The important thing is the approach, he said. In the past, game-playing programs have used rules of thumb -- which are right most of the time, he said -- to make decisions. "What we've done is show that you can take non-trivial problems, very large problems, and you can do the same kind of reasoning with perfection.


Checkmate for checkers : Nature News

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Long-time world checkers champion Marion Tinsley consistently bested all comers, losing only nine games in the 40 years following his 1954 crowning. He lost his world championship title to a computer program in 1994 and now that same program has become unbeatable; its creators have proved that even a perfectly played game against it will end in a draw. Jonathan Schaeffer and his team at the University of Alberta, Canada, have been working on their program, called Chinook, since 1989, running calculations on as many as 200 computers simultaneously. Schaeffer has now announced that they have solved the game of American checkers, which is played on an 8 by 8 board and is also known as English draughts. The team directed Chinook so it didn't have to go through every one of the 500 billion billion (5 * 1020) possible moves.


Man Versus Machine for the World Checkers Championship

AI Magazine

In August 1992, the world checkers champion, Marion Tinsley, defended his title against the computer program CHINOOK. Because of its success in human tournaments, CHINOOK had earned the right to play for the world championship. Tinsley won the best-of-40-game match with a score of 4 wins, 2 losses, and 33 draws. This event was the first time in history that a program played for a human world championship and might be a prelude to what is to come in chess. This article tells the story of the first Man versus Machine World Championship match.