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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 ...
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]
The only score in which all methods give exactly the same result is an even score against opponents with no skew away from their average rating, in which case the performance rating is the average of the opponents' ratings. There are larger discrepancies closer to zero scores or perfect scores, or a larger variance in the individual ratings (in ...
FIDE titles including the grandmaster title are valid for life, but FIDE regulations allow a title to be revoked for "use of a FIDE title or rating to subvert the ethical principles of the title or rating system" or if a player is found to have violated the anti-cheating regulations in a tournament on which the title application was based. [22]
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.
Like the FIDE titles of FIDE Master, International Master, and Grandmaster, the title of 'Master' is awarded for life. Players with a rating below 2200, but who have earned the title of 'National Master' or 'Life Master', are, according to the USCF, still referred to as 'masters'. The first USCF rating list was published in December 1950.
These Live ratings are based on the previously published FIDE ratings, so a player's Live rating is intended to correspond to what the FIDE rating would be if FIDE were to issue a new list that day. Although Live ratings are unofficial, interest arose in Live ratings in August/September 2008 when five different players took the "Live" No. 1 ...
A norm in chess is a high level of performance in a chess tournament. [1] The level of performance is typically measured in tournament performance rating above a certain threshold (for instance, 2600 for GM norm), and there is a requirement on the level of tournament, for instance by a prescribed minimal number of participants of given title/level one meets.