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A chess rating system is a system used in chess to estimate the strength of a player, based on their performance versus other players. They are used by organizations such as FIDE, the US Chess Federation (USCF or US Chess), International Correspondence Chess Federation, and the English Chess Federation. Most of the systems are used to ...
Belle is a chess computer that was developed by Joe Condon (hardware) and Ken Thompson (software) at Bell Labs. In 1983, it was the first machine to achieve master-level play, with a USCF rating of 2250. It won the ACM North American Computer Chess Championship five times and the 1980 World Computer Chess Championship. It was the first system ...
USCF first instituted a rating system for over-the-board play in 1950, using a calculation formula devised by Kenneth Harkness. In 1960, the USCF adopted a more reliable rating system invented by Arpad Elo, a college professor of physics who was a chess master. Elo worked with USCF for many years.
Arpad Elo was a chess master and an active participant in the United States Chess Federation (USCF) from its founding in 1939. [4] The USCF used a numerical ratings system devised by Kenneth Harkness to enable members to track their individual progress in terms other than tournament wins and losses. The Harkness system was reasonably fair, but ...
In the spring of 1967, Mac Hack VI played in the Boston Amateur championship, winning two games and drawing two games. Mac Hack VI beat a 1510 United States Chess Federation player. This was the first time a computer won a game in a human tournament. At the end of 1968, Mac Hack VI achieved a rating of 1529. The average rating in the USCF was ...
Chess expert is a title given by the United States Chess Federation (USCF). It is awarded to chess players rated from 2000 to 2199. Players rated above that are masters, while players below that are class players. Approximately 50,000 chess players have USCF ratings, of which approximately 2,500 are rated 2000 or better.
Mac Hack is a computer chess program written by Richard D. Greenblatt. Also known as Mac Hac and The Greenblatt Chess Program , it was developed at the Massachusetts Institute of Technology . Mac Hack VI was the first chess program to play in human tournament conditions, the first to be granted a chess rating , and the first to win against a ...
Chess.com's Daily Chess strictly prohibits the use of chess engines and all winners' games are subject to computer analysis for fair play. [3] A similar stance is taken by the United States Chess Federation, which in its regulations also explicitly prohibits the use of "chess playing algorithms" for evaluating games. [4]