Author: Carsten Kossendey
Date: 07:09:52 12/13/97
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On December 13, 1997 at 08:08:17, Jack Nerad wrote: >Would implementing a bitboard type update to GUIs' positions reduce lag >on Chess Servers? Yes, and something similar is currently being implemented on FICS. It doesn't exactly use bitboards but pseudo moves, which is even more compact but requires more work at the client side as well. Bitboards have the drawback that you always need a bunch of them to express a complex move (like a pawn capture with a promotion at the same time) whereas in the pseudo move comcept almost anything can be expressed in 4 bytes only (exception: doing/undoing multiple moves at once in examine mode). Generally we'll be able to do 99% of all board updates in less than 20 bytes, as opposed to the 150-180 used currently, which will help somewhat to speed things up.
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