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Subject: Re: Bitboard user's information and a question

Author: Robert Hyatt

Date: 14:18:49 10/06/99

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On October 06, 1999 at 09:28:59, KarinsDad wrote:

>Hello Robert,
>
>I doubt you want to place the authors of Deflection (current name) as KarinsDad
>and DontKnow. ;)
>
>Well, our program doesn't exactly use bitboards if by bitboards you mean the
>entire 64 squares represented in a 64 bit structure for various things.
>
>Instead, my program currently uses 8 bit bitranks, bitfiles, and bitdiagonals to
>do bit manipulations. And, of course, these bit structures are within larger
>structures. However, the bit manipulation is currently done at the byte level as
>opposed to the 64 bit level (I only did it this way to keep table sizes small
>and because it appeared to be simpler to implement the first time out).
>
>So, my question is: Do you mean by bitboards a complete 64 bit representation,
>or does 32 bit, 16 bit, and 8 bit representations qualify as well?
>
>Thanks,
>
>KarinsDad :)


In this context, 64 bits to represent 64 squares...

Bob



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