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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 .
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 Universal Rating System (URS) is a system for rating chess players devised by Jeff Sonas, Mark Glickman, J. Isaac Miller and Maxime Rischard. It was introduced to determine seedings and qualifications for the 2017 Grand Chess Tour .
The average Elo rating of top players has risen over time. For instance, the average of the top 10 active players rose from 2751 in July 2000 to 2794 in July 2014, a 43-point increase in 14 years. The average rating of the top 100 players, meanwhile, increased from 2644 to 2703, a 59-point increase. [3]
In 2006 economists Charles C. Moul and John V. C. Nye used Chessmetrics to determine the "expected" results of games, and wrote: Ratings in chess that make use of rigorous statistics to produce good estimates of relative player strength are now relatively common, but comparing ratings across different time periods is often complicated by idiosyncratic changes (cf. Elo, 1968 for the pioneering ...
A norm in chess is awarded if a player has a performance rating in a tournament at or above a threshold rating. As an example, for the Grandmaster (GM) title, a player must achieve three GM norms corresponding to performance ratings of at least 2600 against opponents with an average rating of 2380 and must also have reached a required peak live ...
FIDE publishes lists of highest-rated junior chess players; a "junior" is defined as being a player who is aged under 20 at the start of the year. The following is a list of the players ranked number one junior in the FIDE rating system from July 1999 to the present day, along with their ratings during the periods in question.
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 ...