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Subject: Re: Mathematics ;-)

Author: Torstein Hall

Date: 09:58:28 05/25/02

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On May 25, 2002 at 11:18:41, Vincent Diepeveen wrote:

>On May 25, 2002 at 09:48:14, Harald Faber wrote:
>
>>On May 25, 2002 at 03:55:58, Sandro Necchi wrote:
>>
>>>THE SSDF RATING LIST 2002-05-22   86121 games played by  240 computers
>>>                                           Rating   +     -  Games   Won  Oppo
>>>                                           ------  ---   --- -----   ---  ----
>>>   1 Fritz 7.0 256MB Athlon 1200 MHz         2730   33   -31   494   64%  2626
>>>   2 Chess Tiger 14.0 CB 256MB Athlon 1200   2722   33   -32   477   63%  2626
>>>   3 Gambit Tiger 2.0  256MB Athlon 1200     2720   34   -33   441   62%  2635
>>>   4 Deep Fritz 256MB Athlon 1200 MHz        2714   33   -32   482   63%  2623
>>>   5 Shredder 6.0  256MB Athlon 1200 MHz     2713   35   -34   432   64%  2611
>>>   6 Junior 7.0  256MB  Athlon 1200 MHz      2693   31   -31   511   57%  2641
>>>
>>>Shredder 6.32 (CB version) is 27 points behind Fritz 7
>>
>>
>>In fact Shredder is *17* points behind Fritz 7. ;-)
>>2730 - 2713 :-)
>>
>>
>>>  14 Fritz 7.0  128MB K6-2 450 MHz           2631   45   -44   250   56%  2592
>>>  14 Junior 7.0  128MB K6-2 450 MHz          2631   27   -26   739   67%  2507
>>
>>
>>Shouldn't be the program listed higher which has a smaller margin of error (=
>>has played more games)?
>>
>>
>>>  16 Chess Tiger 14.0 CB 128MB K6-2 450 MHz  2630   28   -27   652   62%  2541
>>>  16 Shredder 6.0 UCI 128MB K6-2 450 MHz     2630   65   -62   124   57%  2578
>>>  18 Fritz 6.0  128MB K6-2 450 MHz           2623   23   -22  1014   63%  2529
>>>
>>>Shredder 6.0 (UCI version) is 1 point behind Fritz 7
>>>
>>> SSDF comment
>>>
>>>We have played 124 games with the UCI-version of
>>>Shredder 6.0 K6-2 450 MHz, using the opening book of
>>>Sandro Necchi. So far the rating is 2630. With so few
>>>games it's difficult to draw any conclusions concerning
>>>which opening book Shredder 6.0 might benefit most from.
>>>
>>>My comment:
>>>
>>>What is 26 points difference?
>>>
>>>Apparently NOTHING:-))
>>>
>>>No other comments are needed.
>>>
>>>Sandro Necchi
>>
>>
>>Exactly. And that is why I've been saying for ages that at least the top-5
>>programs play on ONE level. None of them is really significant stronger than the
>>others.
>
>We know this, but this is not reality. For 99.9% of the worldpopulation
>it doesn't matter whether you are at 0.0001 difference at number 2,
>or at 1000 difference.
>
>The first one is the winner and the rest has lost.

I do not know if this counts statistically, but Fritz seems to kling to the top
spot quite a lot. That, and of course that it has a small margin to the rest,
makes me feel it is just a little bit stronger.

Torstein



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