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Subject: Re: Forward Pruning...

Author: Sergei S. Markoff

Date: 05:01:18 03/02/04

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Hi!

>An idea I have played with, and which worked somehow in the 16 bits version of
>Chess Tiger is to:

I'm using in SmarThink a scheme like you described but with some differences.
I'm searching some first moves, captures and extended moves to full depth. Other
moves I'm searching with reduced depth (the reducing amount depends of several
factors, for example if the opponent king safety is worse and it's move that
going piece closer to opponent's king the reducing amount will be less e.t.c.,
I'm using here a lot of knowledge including trajectories analysis e.t.c.). If
the reduced search returns value > alpha, I'm researching this move to full
depth. There are a lot of possibilities to unclude a lot of knowledge here to
build really knowledge-guided tree.




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