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Subject: Re: Here's one example

Author: Uri Blass

Date: 12:07:16 08/05/02

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On August 05, 2002 at 12:15:32, J. Wesley Cleveland wrote:

>On August 05, 2002 at 03:10:07, Jouni Uski wrote:
>
>>[D]8/4rk2/1p2r3/1Pp5/2Pp4/1K1P4/2PQ4/8 w - -
>>
>>Crafty's evalution after 14 ply +1,56.
>>
>>Jouni
>
>Crafty 18.15 static evaluation
>material evaluation.................   1.60
>development.........................   0.00
>pawn evaluation.....................  -0.04
>passed pawn evaluation..............   0.00
>passed pawn race evaluation.........   0.00
>king safety evaluation..............   0.00
>interactive piece evaluation........  -0.14
>total evaluation....................   1.42
>
>
>Crafty 18.10 static evaluation
>material evaluation.................   0.80
>development.........................   0.00
>pawn evaluation.....................  -0.04
>passed pawn evaluation..............   0.00
>passed pawn race evaluation.........   0.00
>king safety evaluation..............   0.00
>interactive piece evaluation........  -0.14
>total evaluation....................   0.62
>
>Apparently Bob does believe that Q+P is much better than 2R


I also decided that Q+P is better but +1.60 is too much.

It seems that Crafty18.10 had a better evaluation function than Crafty18.15
I wonder what is the reason for the change.

Uri



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