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Subject: Re: Mobility in Chess Evaluation Function at terminal-nodes

Author: Uri Blass

Date: 02:56:33 12/29/05

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On December 29, 2005 at 05:02:36, Tord Romstad wrote:

>On December 29, 2005 at 04:49:09, Gian-Carlo Pascutto wrote:
>
>>On December 28, 2005 at 16:04:28, Tord Romstad wrote:
>>
>>>Perhaps you can even omit some
>>>piece types.  I don't evaluate pawn or king mobility at all (in my
>>>experience, there are better ways to evaluate king activity), and I
>>>have never seen any measurable difference in strength when I
>>>switch queen mobility on or off.
>>
>>What about knights?
>
>Good question.   I have never tried disabling knight mobility, but
>it is perfectly possible that a piece square table with high values
>for central squares would work just as well as pseudo-legal
>mobility for knights.
>
>Tord

My mobility for the knight is legal mobility.
Knight that is pinned get no bonus.

Uri



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