Author: Brian Richardson
Date: 16:56:37 08/15/00
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On August 15, 2000 at 18:37:44, Larry Griffiths wrote: >On August 15, 2000 at 17:14:20, Brian Richardson wrote: > >>I would think you would want to try the killer moves before even generating >>captures and non-captures (assuming you already have the killer move, of >>course). Then just keep it simple with a MVV/LVA move ordering, which will >>place captures before non-captures (count pawn promotion as a capture too). >>Later do the same with hash moves first, then killers, then generate and so on. >>Each program uses a different set of algorithims, and you will just have to >>experiment with your mix. >> >>Brian > >This is more along what I am thinking. I still must generate the moves for the >killer piece to see if it is still a valid move. Pawns moves are generated >en-mass because of my bitboards so if the killer piece is a pawn, then all pawn >captures or pawn moves have to be generated in one fell swoop. > >Larry. Rather than "generating" moves for the killers, try a quick is it still legal routine. Regarding Tom's post: I cannot speak for a lot of programs, but at least for Tinker and Crafty, doing killers before captures seems to work better. Brian
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