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Subject: Re: hanging pieces in rebel

Author: Uri Blass

Date: 07:51:03 01/16/04

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On January 16, 2004 at 10:46:57, Tord Romstad wrote:

>On January 16, 2004 at 06:44:54, Uri Blass wrote:
>>Do you calculate things like number of pawn attackers,knight attackers,rook
>>attackers including indirect attacks when the rook support another rook
>>incrementally after every move?
>Yes, except that there is no incremental updating of the data, if that was
>what you meant to ask about.  Everything is computed from scratch at every
>>Do you have this in a small table for the 64 squares of the board?
>Two small tables, one for each side.  They are indexed by the 256 squares
>of my internal board.

I guess that you have a table when 1/4 of it is not used so I guess that having
64 square board have some advantages.

I do not clculate this information at every node but if I decide to do it I will
do it incrementally.



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