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1933 – The Correspondence Chess League of America (now ICCF U.S.A.) is the first national organization to use a numerical rating system. It chooses the Short system which clubs on the west coast of the US had used. In 1934 the CCLA switched to the Walt James Percentage System but in 1940 returned to a point system designed by Kenneth Williams.
The Elo system was invented as an improved chess-rating system over the previously used Harkness system, [1] but is also used as a rating system in association football (soccer), American football, baseball, basketball, pool, various board games and esports, and, more recently, large language models.
The United States Chess Federation (also known as US Chess or USCF [1]) is the governing body for chess competition in the United States and represents the U.S. in The World Chess Federation (FIDE). USCF administers the official national rating system , awards national titles, sanctions over twenty national championships annually, and publishes ...
In 1970, FIDE adopted Elo's system for rating current players, so one way to compare players of different eras is to compare their Elo ratings. The best-ever Elo ratings are tabulated below. As of September 2023, there are 133 chess players in history who broke 2700, and 15 of them exceeded 2800.
The International Chess Federation (FIDE) governs international chess competition. Each month, FIDE publishes the lists "Top 100 Players", "Top 100 Women", "Top 100 Juniors" and "Top 100 Girls" and rankings of countries according to the average rating of their top 10 players and top 10 female players in the classical time control.
Club and inter-club competitions; Opportunities to play in one or more leagues organized on a geographical basis; Tournaments; A rating system where the results of inter-club games are rated to enable players to judge their standing and progress. Many clubs use the rating system provided by FIDE or their affiliated national chess organization.
FIDE introduced the WGM title in 1976, joining the previously introduced lower-ranking title, Woman International Master. [21] The usual way to obtain the WGM title is similar to the open titles, where a FIDE rating of 2300 and three norms of 2400 performance rating is required against opponents who are higher rated than 2130 on average. [22]
Chess players ordered by peak FIDE rating in 1980s Country Player Peak rating in 1980s Achieved 1 Garry Kasparov: 2775 1989-01 2 Anatoly Karpov: 2755 1989-07 3 Mikhail Tal: 2705 1980-01 4 Viktor Korchnoi: 2695 1980-01 5 Jan Timman: 2675 1988-01 6 Nigel Short: 2665 1988-07 7 Artur Yusupov: 2660 1986-07 Vasyl Ivanchuk: 2660 1989-07 9 Lajos ...