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Subject: Re: Chess ratings - systems

Author: Uri Blass

Date: 22:21:55 01/22/03

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On January 22, 2003 at 16:13:28, William H Rogers wrote:

>After looking at the different chess rating levels I have come to the conclusion
>that they are in want. Some of them start at 1,000 elo and some start at 1,200
>elo while in europe some start as low as 800 elo.
>If the regular charts are extended downward, that is below 'E' level, you can
>break it up into much lower segaments all to way down to 0-200 for the lowest
>level. It seems to me that some begining players might get real discouraged by
>having their ratings go lower and lower until a true level is found.


I think that in most cases beginners do not play in tournaments for rating.

I played my first tournament only after a year of playing not in tournaments and
today with computers I am sure that a lot of players play their first tournament
against humans only after getting some expereience against chess programs so I
guess that today the level of players who play their first tournament can be
even higher.

I also think that people usually do not care about exact rating for the weak
players and the same player can expect to get clearly different rating in case
of playing in different tournaments.

It could be easy to decide that a weak computer program is playing in every
tournament of weak players but people do not do it and the reason is simple.

They do not care about exact rating.

I expect all the ideas to get better rating system to fail for that reason.
I know that in the past in Israel there was a rule that the rating is calculated
every day by a program based on the rating of the previous day and the games of
the tournaments that end in that day.

The rule was changed to a rule that will make it easier for people to calculate
their rating based on the known rating of the opponents and now the only rating
that is used is the known rating and for calculation rating are constant for 3
monthes.

Uri



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