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Subject: Re: Special request for crafty users with the full 20 gigs of endgame ta

Author: Matthew Herman

Date: 12:45:10 01/14/99

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On January 14, 1999 at 14:04:57, Dann Corbit wrote:

>On January 13, 1999 at 21:25:12, Matthew Herman wrote:
>
>>On January 13, 1999 at 14:03:19, Dann Corbit wrote:
>>
>>>On January 13, 1999 at 11:04:22, Matthew Herman wrote:
>>>[snip]
>>>>Where can I get epdfpga? I have epd2diag.
>>>epdpfga is just a crafty command.  You use that command to analyze and epd file
>>>and write the output to a results file.  You use epdscor to check the
>>>correctness of the result, etc.
>>
>>oops!! :) I run a crafty on FICS so I should know! :)... it outputs ce and
>>stuff?
>The whole nine yards.  Crafty has the most complete epd analysis of any tool I
>have ever seen.  There are two flaws you should be aware of.  If there is a
>single forced move, crafty will not try to analyze and will give an eval of 0.
>These are easy to detect because acd and acn are both 1 and ce is zero.
>Secondly, if there is a tablebase draw, crafty does not report it.  The only way
>to discover this is turn logging on and watch the output window.  When it says
>"trying to swindle" it has detected a drawn position, but hopes the opponent
>will blunder.  This one is not as serious (IMO) because crafty will still write
>a ce which will draw your computer to the right move.  It is just an
>artificially inflated score.
>Get one of the epd test suites from my epd directory and give it a try.
>--
>C-FAQ: http://www.eskimo.com/~scs/C-faq/top.html
>"The C-FAQ Book" ISBN 0-201-84519-9
>C.A.P. Newsgroup http://www.dejanews.com/~c_a_p
>Chess Data: ftp://38.168.214.175/pub/

It sure does do the whole 9 yards!! I tried it on a few epd suites last night..
amazing what it reported.. :)



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