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Subject: Re: Shredder 8 vs Junior 8 match complete. Shredder wins with 56% +41 ELO

Author: Uri Blass

Date: 09:35:41 03/17/04

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On March 17, 2004 at 11:43:12, Anson T J wrote:

>On March 17, 2004 at 10:40:30, Bigler David wrote:
>
>>Hi,
>>
>>Shredder 8 performed 82 ELO point better than Junior 8
>>Junior 8 performed 82 ELO point better than Shredder 7.04
>>
>>So Shredder 8 performed 164 ELO better than Shredder 7.04
>>
>>rgds
>
>I see, I thought when it was -41 / +41 that A was 41 weaker than b and b was 41
>stronger than a. Not that a was 82 weaker and b was 82 stronger. Perhaps you are
>correct. thx

56% is less than 50 elo difference based on fast calculation.

If the result is 56-44 then I get the following difference in rating

(56-44)/100*400=48 so my calculation give 48 elo.


The formula that I use is only approximation to the real formula so I guess that
41 is correct and not 82.

Uri



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