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Subject: Re: Evaluation-based Reductions and/or Extensions

Author: Geoff

Date: 17:01:36 12/28/03

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Hello Tom

>So far the results have been exciting, but also potentially frustrating.
>The main problem I've encountered is that any pruning or extensions based on
>the previous node's score cause hashing problems because this becomes path
>dependent.

For us new(ish) chess programmers could you clarify what problem this
modification exactly causes ? Is it simply that you get less hash hits in the
hash search or something more subtle ?

Incidentally, your new version 828 looks to have solved the crash bug I was
seeing with Arena. Thanks

      Regards Geoff



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