Author: Russell Reagan
Date: 05:49:27 01/08/04
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On January 08, 2004 at 08:28:25, Daniel Shawul wrote: >Hi > >I don't do piece mobility eval in my chess >engine.Have heard Ruffian 2 uses intensive piece mobility eval and >I would like to do it in my engine.At the moment,mobility is done only for >bishops in my engine. >I count the possible moves(costy for me,i use bitboards) and assign some value >accordingly. >I don't do it for other pieces because haven't seen/understood its importance >yet.A web page on mobility eval is appreciated. > >regards >daniel If you use rotated bitboards you can compute mobility for the same cost as producing the bishop attack bitboards. Instead of your lookup table returning an attack bitboard, have it return the number of attacks. I remember seeing something like this in Crafty, so take a look there.
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