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Subject: Re: Crafty analysis - strange (I think) behaviour

Author: Uri Blass

Date: 08:15:15 08/21/02

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On August 21, 2002 at 11:05:54, Robert Hyatt wrote:

>On August 21, 2002 at 09:57:35, Uri Blass wrote:
>
>>On August 21, 2002 at 09:16:55, Gian-Carlo Pascutto wrote:
>>
>>>On August 21, 2002 at 08:52:18, Shaun Brewer wrote:
>>>
>>>>A 2 pawn difference seems quite high?
>>>>
>>>>Looking at the score in crafty for move 17 (white) crafty thinks it is down half
>>>>a pawn does this not mean it might accept/play for a draw rather than continue
>>>>and win the game?
>>>
>>>Yes.
>>>
>>>I personally hate assymetric evaluation. Makes the program unusable for analysis
>>>IMHO.
>>
>>I also hate assymetric evaluation or preprocessing.
>>
>>I believe that I could do movei better by this trick but
>>I do not like to do a fast change to solve some problem
>>only to undo it later and write it in a better way that is not
>>preprocessing.
>>
>>Uri
>
>
>Unfortunately, humans are asymmetric also...
>
>Otherwise you would never attack.

Why?

You can attack and sacrifice if you evaluate the positional advantage as bigger
than the material that you sacrificed.

Uri



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