Author: Will Singleton
Date: 22:41:21 06/16/99
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On June 17, 1999 at 00:16:56, James Robertson wrote: >On June 17, 1999 at 00:10:11, James Robertson wrote: > >>I am trying to find the most efficient way to detect backward pawns, either with >>bitboards or the more conventional piece array. Any help is greatly >>appreciated!! >> >>James > >I suppose I could add to this. I decided that a backward pawn must be: > >On an open file, >Unable to be defended by another pawn, >unable to advance without capture by an enemy pawn (it may be able to advance, >but that wouldn't take it off the open file or defend it with another pawn). > >I cannot figure how to make this all work without tons of arrays and all sorts >of other nasty stuff. > >Help! >James I use tons of arrays, and other nasty stuff. But with pawn hashing, it really doesn't matter, speed-wise. Will
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