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Subject: Re: Mathematics ;-)

Author: Vincent Diepeveen

Date: 13:28:15 05/26/02

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On May 25, 2002 at 12:58:28, Torstein Hall wrote:

I partially agree

  - the fritz7 program is the only program legally using
    the Kure book and this book is very WIDE, in contradiction
    to other books.
  - it has its own interface which is very tough to get
    auto232 working against
  - its winboard/uci implementation is not allowing
    the opponent to ponder or to use hashtables usually
  - fritz is using a hack of the auto232 protocol which
    gives secret codes to other fritz interfaces, which
    i cannot decode. It is not a released protocol. So
    i do not suggest they ship other interfaces which run
    older chessbase engines to make worse book moves and use
    different learning files, we just do not know what it
    is telling the other interface.
    For sure is that if fritz is master it ships secret info
    at auto232 to the other interface. There must be a good
    reason to keep this protocol private though and it has
    to influence the game scores.
  - SSDF is playing real weak engines at outdated hardware, which
    is simply not the reality in computerchess. In fact this
    simply determines usually the rating at which programs
    get rated in their list. In tournaments i never play old
    gnuchess versions at 3 times slower hardware.



>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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