Author: José Carlos
Date: 05:34:36 12/28/99
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On December 28, 1999 at 04:05:32, Bas Hamstra wrote: >>>On December 27, 1999 at 06:59:45, José Carlos wrote: > >>I don't know how gnuchess do this, but my AlfaBeta function has >>GenerateMoves() and then SortMoves(), so I need to have the sort info just >>after generation. Don't you do it this way? > >I don't. I assign sortvalues to captures when they are generated, for example >VICTIMVAL - ATTACKERVAL. > >Then with every nextmove() I pick the highest sortvalue and swap it with the >current stack position. I do this only for the first <n> Nextmoves(), thereafter >I don't do any sorting anymore. > >Quicksorting the entire movelist after generation is a TREMENDOUS loss of time. > > >Regards, >Bas Hamstra. Yes, it is surely faster not to sort the whole list, but anyway, you assign the sortvalues while generating, as I do. Vincent said he don't assing the sortvalues when generating so, when do he assing them? José C.
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