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Subject: Re: Rough comparison between rotated bitboards and 0x88

Author: James Robertson

Date: 16:54:39 06/19/00

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On June 19, 2000 at 19:48:36, Larry Griffiths wrote:

>I have found bitboards to be an even trade-off on my Pentium system.  I have to
>update about 6 bitboards when a piece moves and this generates a lot of
>instructions.  I get it back in my IsKingInCheck code so it evens out.

While detecting check is faster with bitboards if you have many pieces on the
board, I think it is actually slower in endgame positions. :(

James

> I like
>to have fast move generation code, but most of my gains have been through
>alpha-beta, hash-table, killer-move and movelist ordering etc.
>
>Larry.

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