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Subject: Re: Engines valutation question

Author: Gerd Isenberg

Date: 03:42:22 08/03/04

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On August 03, 2004 at 06:24:12, Ricardo Gibert wrote:

>On August 03, 2004 at 05:48:15, Gerd Isenberg wrote:
>
>>On August 03, 2004 at 04:54:11, morphy wrote:
>>
>>>Why the valutation is always referred to the material advantage (where a pawn in
>>>more is the unit) and we can't have a valutation in tems of percentage of
>>>probability for winning and drawing?
>>
>>Maybe you find some answers at R. Scharnagl's SMIRF sites:
>>
>>http://www.chessbox.de/Compu/schachwert1_e.html
>>and following.
>
>At this site, there is listing of piece valuations by C. Posthoff:
>
>Pawn    1.00
>Knight  3.00
>Bishop  3.00
>King   (100)
>Rook    5.00
>Queen   9.00
>
>Now it is possible for one side to have:
>
>9 Queens  9x9.00 =  81.00
>2 Rooks   2x5.00 =  10.00
>2 Bishops 2x3.00 =   6.00
>2 Knights 2x3.00 =   6.00
>           Total = 103.00
>
>Which means all these units are worth more than a King!  :)
>
>The practical importance of this is negligible, but in theory, the King ought be
>worth more than 103.00 I would think.

Infinite! Since the king is not exchangeable that doesn't matter, or?
I use only one centi pawn as king material value to avoid some divisions by zero
;-)




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