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Subject: Re: 64 bit 90 degree rotations -- a summary from USENET

Author: Dann Corbit

Date: 15:49:17 06/10/02

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On June 10, 2002 at 17:21:32, Peter Fendrich wrote:

>On June 10, 2002 at 15:47:14, Dann Corbit wrote:
>
>Dann,
>why do you collect these rotating functions?
>When it comes to me I don't make any rotating during search just during the
>initial phase when the program starts.
>During search it is lookups in order to get the rotated file or diagonal.

Suppose that you wanted to switch from 0x88 to bitboard, and all that you
maintained was a single, non-rotated bitboard when in 0x88 mode?




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