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Subject: Re: Crafty blitz rating under 2800?

Author: Phil Dixon

Date: 16:24:16 12/01/99

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On December 01, 1999 at 17:50:54, Robert Hyatt wrote:

>On December 01, 1999 at 15:44:35, Alexander Kure wrote:
>
>>On December 01, 1999 at 14:41:26, Robert Hyatt wrote:
>>
>>>On December 01, 1999 at 14:26:34, Ricardo Gibert wrote:
>>>
>>>>The blitz rating for crafty has plummeted to under 2800 in a fairly short period
>>>>of time. Has the latest version acquired a bug or we witnessing a normal rating
>>>>oscillation at its low ebb? For awhile there crafty sported a 3250+ rating that
>>>>must have sent frightened GMs diving under their desks for cover. What happened?
>>>
>>>
>>>It is a bug.  I just found one serious thing, but I have simply not had time
>>>to do further analysis.  I am currently in a hospital bed (fortunately with a
>>>phone and my trusty notebook) recovering from surgery.  Once I get home later
>>>this week, I hope I can fix everything.
>>>
>>>The current bug dealt with having a "char passed_pawn_value[8]" array...  which
>>>I scaled up so that a passer on the 7th starts at a score of 132.  Unfortunately
>>>+132 (in a char) is a negative number which was not what I intended.  :)
>>>
>>>It will be back before long...
>>>
>>>The other problem is getting the new majority/candidate passer code tuned.  If
>>>it worries too much about that in the middlegame it can go astray.  If it
>>>worries too little in the endgame, it can lose easily.
>>>
>>>It will take time to get everything back into 'harmony'...
>>
>>
>>Hope it is nothing serious and that you will recover soon.
>>Wish you all the best!
>>
>>Greetings
>>Alex
>
>
>I'm doing fine.  It is 'crafty' that needs the surgery now... if you have
>noticed its performance on ICC/FICS the last week...  it has been losing to
>everybody...

Glad to hear you are doing well, Dr. Hyatt.  We need you around this forum and
keep improving Crafty please.   :-)

Best regards,
Phil



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