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Subject: Re: So we can conclude: Shredder 9 UCI isn´t stronger than Shredder 8 UC

Author: George Tsavdaris

Date: 14:48:19 07/30/05

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On July 30, 2005 at 06:01:06, Drexel,Michael wrote:

>
>...at all with this time controls and hardware used?

No we can't!

The list says the follwing about S9-UCI and S8-CB:

S9-UCI has a rating that with a 95% probability it is between 2821-27 and
2821+28
that means:
S9-UCI has a rating that with a 95% probability it is between 2794 and 2849

S8-CB has a rating that with a 95% probability it is between 2805-22 and 2805+23
that means:
S8-CB has a rating that with a 95% probability it is between 2783 and 2828


 So it is clear that S9-UCI CAN actually be even by 2849-2783 = 66 ELO points
stronger than S8-CB..........
 But not only this. There is a 5% probability that S9-UCI can be X points
stronger or weaker than S8-CB and this X can be any positive number........

>
>http://chessprogramming.org/cccsearch/ccc.php?art_id=364117
>
>Sandro claimed Shredder8.bkt and more effective learning should increase the
>rating by about 35 points over Shredder 8 CB.

 Well, at the aforementioned link i just see a claim that S8-UCI on Shredder
Classic GUI, will be stronger from S8 at Chessbase GUI due to better learning
and better book, with 35 ELO. I don't see the same claim about S9-UCI and S8-CB.
Why this ELO increase has to be valid with these new version also......?!?!?

>
>Michael



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