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Subject: Re: [DB] Some data from the logfiles

Author: Uri Blass

Date: 13:19:53 08/24/02

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On August 24, 2002 at 16:07:05, Alvaro Jose Povoa Cardoso wrote:

>On August 23, 2002 at 09:46:04, Uri Blass wrote:
>
>>On August 22, 2002 at 21:42:41, Robert Hyatt wrote:
>>
>>>On August 22, 2002 at 16:09:07, Uri Blass wrote:
>>>
>>>>On August 22, 2002 at 15:51:28, Jeremiah Penery wrote:
>>>>
>>>>>On August 22, 2002 at 06:47:34, Gian-Carlo Pascutto wrote:
>>>>>
>>>>>>That does not make sense - it only does when you take the first number as
>>>>>>the nominal ply depth and the second number as the part of that that was
>>>>>>done by the hardware searches.
>>>>>
>>>>>
>>>>>So what does it mean when you have searches like this,
>>>>>
>>>>>-->  17.   Be3 <-- 23/113:12
>>>>>---------------------------------------
>>>>>Guessing Qc7
>>>>> 3(4) 25  T=0
>>>>>qd1d2 Pc5c4 pb3c4P
>>>>> 4(5) 25  T=0
>>>>>qd1d2 Pc5c4 pb3c4P
>>>>> 5(5)[Qd2](25) 25  T=1
>>>>>qd1d2 Pc5c4 pb3c4P
>>>>> 6(5)[Qd2](25) 25  T=2
>>>>>qd1d2 Pc5c4 pb3c4P Qc7c4p
>>>>> 7(5) #[Qd2](28)##################################### 28  T=4
>>>>>qd1d2 Re8b8 nf3e5P Pd6e5n
>>>>> 8(6) #[Qd2](28)##################################### 28  T=12
>>>>>qd1d2 Re8b8 bc2d3 Pa6a5 pc3c4
>>>>> 9(6)<ch> 'ng6'
>>>>>---------------------------------------
>>>>>--> Ne7g6 <--
>>>>>---------------------------------------
>>>>> 28  T=19
>>>>>qd1d2
>>>>> 3(4)[Qd2](30) 30^ T=1
>>>>>qd1d2 Pc5c4 pb3c4P Pb5c4p
>>>>> 3(5) 35  T=1
>>>>>qd1d2 Qd8c7 pb3b4 Pc5c4 be3h6P
>>>>> 4(5) 35  T=1
>>>>>qd1d2 Pa6a5 pa2a3
>>>>>
>>>>>
>>>>>where you have depths like 3(4)?  They can't have 3 nominal plies, where 4 of
>>>>>those plies come from the hardware, because obviously that's impossible.
>>>>
>>>>A good question.
>>>>
>>>>I do not understand the meaning of the second mnumber
>>>>but the first number is clearly the brute force depth based on their paper.
>>>>
>>>>Maybe the second number is about some limit about the extensions but OI do not
>>>>know.
>>>>
>>>>Uri
>>>
>>>The second number doesn't vary enough to be relevant to extensions.
>>
>>It is clearly not the maximal number of plies for extensions  but it may be
>>relevant to extensions.
>>
>>Uri
>
>
>Could it be the minimum number of plies for extensions, witch translates to the
>maximum number of plies for brute force?
>
>Alvaro

No

It cannot be brute force additional search because we know that the average
brute force depth was only slightly more than 12 plies.

Uri



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