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Subject: Re: Symbolic: Light at the end of the tunnel

Author: Ross Boyd

Date: 04:15:34 07/01/05

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Wow! Impressive pruning and move ordering Uri!!

Current TRACE doesn't prune in main search apart from null move, hash cuts and
mate pruning. Quiesce only does delta and futility pruning. Also there are many
(needless) extensions.

I am working on a rewrite of TRACE which will allow easier tuning of pruning
decisions via a tree dump. Hopefully, it will show me where TRACE wastes time
and/or misevaluates end nodes. If it can reduce the tree to Movei's size then
I'll be happy indeed!

Ross



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