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Subject: Re: Why credit Rybka's eval when it is the search??

Author: Stephen A. Boak

Date: 08:48:22 02/06/06

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On February 06, 2006 at 10:31:41, chandler yergin wrote:

>On February 05, 2006 at 19:41:52, Stephen A. Boak wrote:
>
>>On February 05, 2006 at 18:15:26, enrico carrisco wrote:
>>
>>>I think the "SUPER" evaluation strength is imagined because the tactics are
>>>stronger than anything else.  Somehow, in the midst of all the madness,
>>>the eval gets the credit.
>>
>>>Sometimes people read what they want into the motives for why moves were
>>>selected and "Rybka worship" requires that people think it evaluates these
>>>things when it actually searches them.
>>
>>Which is more important, search or eval?
>>
>>Or perhaps their intertwined ability (neither gets top billing) to select
>>relatively better moves, more often or better in more critical circumstances
>>(than the opponent)?
>>
>>Do some programs perform eval (in any form) during search?
>>
>>It has often been said that the winner of a chess game is the player who makes
>>the next to last mistake.
>>
>>Wonder what that means for comparing chess programs.  I'm sure they all make
>>mistakes.  I'm sure they all are imperfect in some regard.
>>
>>Which program more likely makes only the next to the last mistake (& ends up the
>>victor).
>>
>>Which program more likely makes the last mistake--and slips up more often in the
>>opening, middle-game, and/or endgame, such that its opponent can convert the win
>>from that position.
>>
>>Fascinating topic.  Not sure search or eval takes top billing in such a
>>discussion.
>>
>>All comments welcome.
>>
>>--Steve
>Programs/Comps don't make mistakes! They play the best move found... when it
>comes time for them to move or, when you stop the analysis.
>They are a Tool! We use them for enjoyment. Period!
>I don't understand why people don't realize this!
>cy

Please don't ruin this thread.
Thanks in advance.



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