Author: Robert Hyatt
Date: 19:12:29 06/03/98
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On June 03, 1998 at 19:53:59, Stuart Cracraft wrote: >It's the ease of adding new evaluation knowledge cleanly, quickly, and >efficiently that makes bitboards a win. In my old mailbox days, I >thought >my evaluation function with its grotesque rules-of-thumbs that tried to >check for things was ugly. My bitboard evaluation seems much more >acceptable. > >But can't you use rotated bitboards win for move generation too? rotated bitmaps make bitmaps break even and no more, because a single 64 bit int then has *all* the moves packed into it.. and that is not the most useful thing to have. So extracting moves one by one makes it no better than normal offset move generation... and actually slows it down enough that offset move generators are actually faster. > >That would seem to make bitboards a better solution across-the-board... >not just for evaluation. > >A SAN-like package for doing rotated bitboard move generation would be >rather nice. > >--Stuart
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