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Subject: Re: What's the Secret to Shredder 7.04 Success?

Author: Jim Bond

Date: 11:37:48 05/03/03

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On May 03, 2003 at 14:07:59, Uri Blass wrote:

>On May 03, 2003 at 13:44:27, Jim Bond wrote:
>
>>On May 03, 2003 at 10:32:08, George Wilson wrote:
>>
>>>Hi
>>>
>>>  After playing Shredder 7.04 against Several Strong programs on two separate
>>>computers I am very "Impressed" . I wonder though what distinguishes this
>>>program from the other top programs, what gives it the edge in playing strength?
>>> I think it is shredders fantastic endgame prowness. All six of the games it won
>>>against century 4 was in the endgame, however rebel seemed to play even with it
>>>tactically in all the middlegames
>>
>>This could be partly due Shredder's ability to probe ending game table base.  I
>>tend to find that, in its analysis window, the tb numbers are much bigger than
>>other engines.
>
>I disagree
>Bigger is not better.
>
>I did not check your theory but if shredder probes ending tablebases more than
>other programs then it suggests that shredder has not knowledge that it can
>trust without tablebases.
>
>A program with knowledge is not going to probe tablebases in a lot of tablebases
>positions because calculating the winner by knowledge is faster.
>
>Uri

Calculating the winner by knowledge may be faster but is it more accurate than
tablebase?  I am afraid not.  The table base is a superset of conventional
theory or knowledge.  It is an oracle.  Shredder might be going for accuracy as
oppose to speed.

Jim






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