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Subject: Re: Endgame databases in 12 x 12 chess

Author: Bruce Moreland

Date: 15:54:19 09/20/00

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On September 20, 2000 at 17:00:09, José de Jesús García Ruvalcaba wrote:

>Hi Bruce,
>	did you design your own indexing scheme for your tablebases?
>José.

Yes, it's just one piece constrained in a triangle, and the others allowed to be
anywhere.  My files are smaller than Edwards' and larger than Nalimov's.  I had
a bunch of dependencies upon "8" and "64" in the code, and a few precomputed
tables, but I just generalized things a bit and it seems to work.

I wonder how far I could get with 6 x 6 chess?  Powers of 36 are quite a bit
better than powers of 64.

bruce




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