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Subject: Re: ????

Author: Jason Williamson

Date: 20:08:05 05/10/01

Go up one level in this thread


On May 10, 2001 at 05:29:00, stuart taylor wrote:

>On May 10, 2001 at 04:04:20, Jouni Uski wrote:
>
>>On May 09, 2001 at 11:44:11, Jason Williamson wrote:
>>
>>>On May 09, 2001 at 11:30:02, stuart taylor wrote:
>>>
>>>>On May 09, 2001 at 05:23:33, Jouni Uski wrote:
>>>>
>>>>>On May 09, 2001 at 05:16:00, stuart taylor wrote:
>>>>>
>>>>>>On May 08, 2001 at 14:42:36, Uri Blass wrote:
>>>>>>
>>>>>>>On May 08, 2001 at 14:25:51, Harald Faber wrote:
>>>>>>>
>>>>>>>>On May 08, 2001 at 13:01:22, Hans Christian Lykke wrote:
>>>>>>>>
>>>>>>>>>[White "SOS K6-2 450 128MB"]
>>>>>>>>>[Black "CM8000 K6-2 450  128MB"]
>>>>>>>>>[WhiteElo "2524"]
>>>>>>>>>[BlackElo "2500"]
>>>>>>>>
>>>>>>>>
>>>>>>>>Based on the 24-16 from 2500 against 2524, which performance does that mean?
>>>>>>>2604 based on the linear formula that is close to the right formula.
>>>>>>>
>>>>>>>2524+400*(24-16)/(24+16)=2524+80=2604
>>>>>>>
>>>>>>>Uri
>>>>>>
>>>>>>What's this?
>>>>>>Wasn't SSDF doing everything minuus 100? (So 2604 would be, you guessed it-2504)
>>>>>>S.Taylor
>>>>>
>>>>>? What are You meaning? Level of SSDF ratings were lowered by 100 after
>>>>>Carson's human-computer list last year. So no need to refer anymore.
>>>>>
>>>>>Jouni
>>>>
>>>>What exactly was done?
>>>>
>>>>Was it a one-time thing, that they just came along and suddenly decided
>>>>arbitrarily to take down 100 from all existing elo ratings, and since then they
>>>>calculate according to those lowered ratings?
>>>>
>>>>  And if so, they might do it again when it again gets too high?
>>>>S.Taylor
>>>
>>>As far as I know it was a one time affair.
>>
>>Previously it has done many times in 80s and 90s. But at least once level
>>was raised!
>>
>>Jouni
>
>I think I'm beginning to understand it a bit better now. But, there's a
>difference if you take off 100 from 2700 and if you take it off from 2000. Am I
>wrong? S.Taylor

Basicly the problem with taking 100 points off a WHOLE rating system is that
inflation is not uniform through out the system.  The result is you deflat
portions of the system, usally the more inactive end, ie the lower rated
engines.



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