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Subject: Re: shredder7- result

Author: Bob Durrett

Date: 05:57:04 12/09/02

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On December 09, 2002 at 02:45:43, Sandro Necchi wrote:

>On December 08, 2002 at 05:12:47, Uri Blass wrote:
>
>>On December 08, 2002 at 03:07:30, Helmut Conrady wrote:
>>
>>>On December 08, 2002 at 02:04:35, Sandro Necchi wrote:
>>>
>>>>On December 07, 2002 at 22:19:13, Tim Blankenship wrote:
>>>>
>>>>>havent heard but 1 or 2 things about it..is it suppose to be strong or does
>>>>>anyone know...thx
>>>>
>>>>My best guess for the new Shredder 7 is about 50 points stronger. I wrote this
>>>>in CCC.
>>>>
>>>>Talking with other testers I got this confirm by them, too,
>>>
>>>Yes, thats right, Sandro:
>>>
>>>E.g.:I have done a test match  Fritz 8-Shredder 7
>>>
>>>conditions:
>>>
>>>Fritz 8_GUI
>>>Athlon 1700+
>>>50 games
>>>no TBs
>>>10´+4`´
>>>Powerbooks 2002 (varietety of play: max; minimum of games: 10).
>>>
>>>29: 21 for Shredder (+23 -15 =12), = 58%.
>>>
>>>The other results are very impressive, too. After some hundred games Shredder 7
>>>is within the 95%-margin stronger than Deep Fritz 7
>>>
>>>
>>>I predict Shredder will top the next SSDF-list.
>>>
>>>Helmut
>>
>>I am interested to know the results of shredder in tactical test suites like the
>>GCP test suite.
>
>Hi Uri,
>>
>>Is shredder better than other commercial programs in tactics?
>
>I have not made specific test/comparison, but only looked at the played games.
>What I can say is that Stefan did a huge work on the engine in all fields like
>speed up, chess knowledge add, new settings and new search. Also the selective
>search was increased.
>My impression is that it is tactically faster than 6.0 a lot and that loves
>complicated tactical positions.
>However the most improvements are on positional understanding combined with
>tactics.

I do not doubt that it is true that the program has positional understanding.

But, to me, the interesting question is:  HOW does one determine &/or verify
that a program has positional understanding?  What is the method for measuring
this understanding and how to come up with a measure?

Bob D.

>Very strong is the endgame. I think much better than previous versions.
>Of course other improvements are related in better positions received from the
>opening book.
>
>>Is it better than Ruffianor or Knightdreamer in solving the GCP test suite
>>(You can see results of knightdreamer in the knightdreamer homepage)?
>
>I don't know this program.
>>
>>Uri
>
>Ciao
>Sandro



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