Author: Uri Blass
Date: 00:55:15 06/16/05
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On June 16, 2005 at 03:47:17, Fabien Letouzey wrote: >On June 15, 2005 at 06:04:07, Uri Blass wrote: > >Hi Uri, > >>I think that speed is certainly one of the advantages of Fruit relative to >>Movei. >>I read that Fruit had problem of not checking if the hash move is legal. >>Movei has never that problem because unlike fruit it is not optimized for speed. > >Incremental move generation increases speed but checking or not the hash move >has nothing to do with it. > >I added code to check the move just before the Massy tournament, and speed drop >was not measurable. > >Fabien. Yes, but the reason for the old problem of fruit is that unlike Movei it does not generate all moves before looking at the hash. Movei generates all moves so having illegal move was never a problem because in case of illegal move the loop on the legal moves to find the hash move in the list will not find it. Uri
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