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Subject: Re: chess learning vs better search

Author: Dann Corbit

Date: 11:59:20 03/04/06

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Shredder is very good at learning.

Take a chess position and analyze it.  Shut down shredder and go to bed.  Then
next day analyze it again.  You will see that Shredder now understands the
postion much better and will also get much deeper, and faster.

I think it a very good idea to store every pv node you ever analyze with your
chess engine, along with predicted move, expected response, depth of analysis
and score.

These analysis information bits can be stored in signature files according to
the chessmen on the board (due to symmetry, you can get at least 4:1 compression
even with pawns on the board).  Les Fernandez has some intersting VB code to
show how these reflections can be utilized.

Learing is primarily of value in the openings.  The probability of hitting the
same move at ply 65 are just about nil, most of the time.



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