Author: Alessandro Damiani
Date: 06:05:03 10/06/99
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On October 05, 1999 at 12:00:19, Robert Hyatt wrote:
>I have finished writing a paper for the JICCA on the rotated bitmap approach
>to chess... although it includes traditional (non-rotated) bitmaps as well
>since an understanding of them is necessary to appreciate rotated bitmaps.
>
>There is very little literature to reference, excepting the paper in the
>old Chess Skill in Man and Machine book, so I thought that I would at least
>mention the names of current (and past, such as Kaissa) programs that are or
>did use bitboards.
>
>If you are using them, either post the particulars here (name of program,
>author, affiliation [if any], and so forth) and I'll include it.
>
>Thanks...
>
>Bob
Program: Fortress
Author: Alessandro Damiani (adamiani@econophone.ch)
Type: based completely on bitboards, not rotated ones
There is no need for rotated bitboards! My implementation doesn't use the "old"
shifts, ORs, ANDs and the bitboards are not rotated as done in Crafty. It is the
simplest possible way to implement bitboards ("make it simple but not
simpler.").
If you are interested, Bob, please email me. You will get the source code free
for publication!! Why it is time now to reveal the secret? Because we ALL have
learned from Bob! It is my turn now.
The bitboards may be with you. :-)
Alessandro
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