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Subject: Re: How is the cAP-code in Crafty 17.0 doing?

Author: Michel Langeveld

Date: 13:03:49 10/23/99

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On October 23, 1999 at 15:56:36, Dave Gomboc wrote:

>On October 23, 1999 at 12:52:11, Robert Hyatt wrote:
>
>>On October 23, 1999 at 11:14:07, Michel Langeveld wrote:
>>
>>>Thanks in advance.
>>>
>>>I want to try it myself ;-)!!!
>>>
>>>Michel Langeveld
>>
>>
>>It is too early to say.  Compared to the opening book I use, less than 100K
>>of the positions have CAP scores.  Which means that many positions have no
>>data at all.
>>
>>Another problem is that the CAP data is of the form
>>
>>  <position>  <score>  <best move>
>>
>>I can use that... but what I _really_ need to do, and I don't have the code
>>to do yet, is to do a simple minimax of the CAP scores back up thru the book.
>>IE if the best move in position P is Rh1 with a score of +1.3, then I need to
>>know that any move that leads to position P (with no cap score in the file)
>>ought to have a score of -1.3.  I don't do this yet, which hurts.  I think it
>>will be even more useful once I have time to write that code.
>
>I would have had the minimaxing done already, but I'm tied up with course work.
>It sounds like you'll get to it before I do.
>
>Dave

Dave,

Just because I'm curious... What's is your knowledge about the Crafty code. How
much (%) do you understand of the code and have you ever changed/added code to
Crafty?

Regards,

Michel Langevel;d



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