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Subject: Re: Opening books and computer programs -- some thoughts

Author: Dann Corbit

Date: 15:01:26 03/23/99

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On March 23, 1999 at 17:36:41, James Robertson wrote:
[snip]
>My program can read EPD. So I should download the file, and save each epd
>position in my program's book? Then I can decide which move to chose by the
>score for the position?
I would not go by the score alone.  That is really just a gross blunder check
for the openings.  I would use won/loss/draw figures from your database and
*also* consider the ce value.  What you really get are the landmines.  So, for
instance, if the ce is -457 don't go there!  Or if the ce is +530, it is likely
a very good choice.  But if the ce is around 100 centipawn, win/loss/draw
figures are likely to be more important.  A lot of those may well be single pawn
gambits.

Calculating a good move from the opening positions is really very difficult for
computers to do.  I have run the positions that look bad at high intensity just
to make sure that it will be hard for a computer to deal with them.



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