Author: Jeremiah Penery
Date: 14:24:42 08/30/02
Go up one level in this thread
On August 30, 2002 at 15:20:36, Robert Hyatt wrote: >On August 30, 2002 at 11:52:09, Miguel A. Ballicora wrote: > >>On August 30, 2002 at 08:26:27, Omid David wrote: >> >>>What's the latest on the "0x88 vs. Boitboard"? Is bitboard still the most >>>popular implementation among the top programs? (while Crafty uses bitboards, >>>Ferret and DIEP use 0x88 if I remember correctly, right?) >> >>Ferret does not use 0x88, it uses pre-generated tables according to Bruce >>Moreland. >> >>Miguel > > >I thought he had said he used 0x88 for the board representation, but that >he didn't use it for move generation because of the pre-generated tables >you mentioned... From http://ccc.it.ro/search/ccc.php?art_id=189800 : Ferret's board representation is an array of 64 squares. Each element is pretty big. Move generation is accomplished by use of a move table, much expanded from the system used in Gnuchess. Gerbil's board representation is 128 squares, so it can use 0x88.
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