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Subject: Re: Tablebase Space Indexing Improvement?

Author: Pham Hong Nguyen

Date: 20:10:21 01/29/04

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I understand your method of compressing now - a kind of
compressing/decompressing on fly, using run length code method, right?

I see that method is quite simple and fast. However, I guess (oops, Nalimov has
shown in his post) the compress ratio should be lower than one of a general and
strong compress method (LZH?) as Nalimov used for his tablebases (obviously,
your method did not compress legal positions, where Nalimov one did). Yours may
apply worse to chess than to checkers.

IMO, I don't like the idea of using complex compress method as DATACOMP program.
However, I like the idea of separation of generating and compressing processes
as well as good ratio of this program.

+Pham



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