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Subject: Tablebase question/proposal (reasonable subset of 6-man)

Author: Anthony Cozzie

Date: 09:53:17 12/05/03


First, how far along are we (we being Nalimov) in generating the complete set of
6-man TBs? I was under the impression that the whole set is 1TB, so we were
about 1/2 done.

I would be really interested in compiling some statistics about the relative
usefulness of some of the tables.  There are a lot of 6-man tables that are
completely useless [e.g. KQQQKP] that still take up quite a bit of space.  What
I propose is that someone (someone being Bob & Nalimov) runs a program that
simply checks the win rate for side-to-move for each table.  We then order all
the tables by "difficulty to win", so the list looks like:

krpkrp 5GB 5GB    50%
kbqkbq 5GB 10GB   50%
.....
krrknn 2GB 250GB  70%
.....
kqqqkp 3GB 1003GB 99%

etc.

This way those of us with money/noise constraints can pick out a reasonable
subset of the 6 man tables.

anthony



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