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Subject: Re: Forward pruning and some related techniques

Author: Steve Maughan

Date: 10:02:47 03/02/04

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Sergei,

>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.

I assume also check are searched 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 a
>move that going piece closer to opponent's king then reducing amount will be
>less e.t.c., I'm using here a lot of knowledge including trajectories
>analysis e.t.c.).

What do you mean by trajectory analysis?  I assume some sort of analysis of
possible paths to enemy king e.g Rfe1, Re3, Rh3.  Is this correct or is it
something else?

>If the reduced search returns value > alpha, I'm researching this move to full
>depth. There are a lot of possibilities to include a lot of knowledge here to
>build really knowledge-guided tree.

Interesting idea.  BTW are you still planning to release a UCI version of
SmarThink?  I do hope so!

Regards,

Steve



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