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Subject: Re: Crafty 19.13 on the Chessbase site... Link provided

Author: Robert Hyatt

Date: 13:10:25 05/21/04

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On May 21, 2004 at 15:38:45, Matthew Hull wrote:

>On May 21, 2004 at 15:17:55, Robert Hyatt wrote:
>
>>On May 21, 2004 at 15:05:05, Chris Taylor wrote:
>>
>>>http://www.chessbase.com/download/engines/crafty/crafty1913.zip
>>>
>>>
>>>Sort of say it all! Thank you Bob!  For providing Crafty for so many people!!
>>>
>>>Chris
>>
>>
>>With what Anthony is working on, we might actually see a significant strength
>>improvement with automatic evaluation tuning.  I've spent the last week making
>>all the eval terms modifiable on-the-fly for his code.  Also now we can really
>>start to do some "personality development" as _everything_ can be changed and
>>saved to files...
>
>
>Did Anthony use this process to tune Zappa?  It's strength was impressive at
>CCT6.


I don't know but I don't believe so.  But obviously we are going to apply it to
both programs.  It is producing some interesting "values" already but there are
more changes to be done.  And it takes a bunch of compute cycles.  He's working
on a distributed implementation to run on our 32-node dual-opteron cluster,
which will theoretically arrive in 14 days or so (current status says it is "in
build" so it is getting close.

I'll leave further explanation to him since it was his idea...



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