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The Elo system was invented by You do not have permission to view the full content of this post.
Log in or register now. and is the most common rating system. It is used by You do not have permission to view the full content of this post.
Log in or register now. and other organizations. Elo once stated that the process of rating players was in any case rather approximate; he compared it to "the measurement of the position of a cork bobbing up and down on the surface of agitated water with a yard stick tied to a rope and which is swaying in the wind".You do not have permission to view the full content of this post.
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FIDE classifies tournaments into categories according to the average rating of the players. Each category is 25 rating points wide. Category 1 is for an average rating of 2251 to 2275, category 2 is 2276 to 2300, etc. For women's tournaments, the categories are 200 rating points lower, so a Category 1 is an average rating of 2051 to 2075, etc.You do not have permission to view the full content of this post. Log in or register now.
Elo scales, 1978You do not have permission to view the full content of this post. Log in or register now.
Rating range Category
2700+ You do not have permission to view the full content of this post. Log in or register now.contenders
2500–2700 most You do not have permission to view the full content of this post. Log in or register now.
2400–2500 most You do not have permission to view the full content of this post. Log in or register now.and some You do not have permission to view the full content of this post. Log in or register now.
2300–2400 You do not have permission to view the full content of this post. Log in or register now.
2200–2300 You do not have permission to view the full content of this post. Log in or register now., most national masters
2000–2200 candidate masters, experts (USA)
1800–2000 Class A, category 1
1600–1800 Class B, category 2
1400–1600 Class C, category 3
1200–1400 Class D, category 4
below 1200 novices
FIDE classifies tournaments into categories according to the average rating of the players. Each category is 25 rating points wide. Category 1 is for an average rating of 2251 to 2275, category 2 is 2276 to 2300, etc. For women's tournaments, the categories are 200 rating points lower, so a Category 1 is an average rating of 2051 to 2075, etc.You do not have permission to view the full content of this post. Log in or register now.
Elo scales, 1978You do not have permission to view the full content of this post. Log in or register now.
Rating range Category
2700+ You do not have permission to view the full content of this post. Log in or register now.contenders
2500–2700 most You do not have permission to view the full content of this post. Log in or register now.
2400–2500 most You do not have permission to view the full content of this post. Log in or register now.and some You do not have permission to view the full content of this post. Log in or register now.
2300–2400 You do not have permission to view the full content of this post. Log in or register now.
2200–2300 You do not have permission to view the full content of this post. Log in or register now., most national masters
2000–2200 candidate masters, experts (USA)
1800–2000 Class A, category 1
1600–1800 Class B, category 2
1400–1600 Class C, category 3
1200–1400 Class D, category 4
below 1200 novices