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

Author: Robert Hyatt

Date: 10:16:19 08/21/02

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On August 21, 2002 at 11:15:15, Uri Blass wrote:

>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


You don't know anyone that prefers to attack over defending?  I can think
of a few.  Ditto for the inverse.



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