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Subject: Re: DEEP BLUES AVERAGE PLY?

Author: Uri Blass

Date: 14:37:14 08/21/02

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On August 21, 2002 at 17:31:53, Uri Blass wrote:

>On August 21, 2002 at 17:21:08, Robert Hyatt wrote:
>
>>On August 21, 2002 at 14:48:04, Vincent Diepeveen wrote:
>>
>>>On August 21, 2002 at 14:42:49, Robert Hyatt wrote:
>>>
>>>Bob if you don't read what they write,
>>>then please show us you can do math.
>>>
>>>Please quote what is the theoretic number to search FULLWIDTH without
>>>hashtables OR killermoves and WITH singular extensions a treesize
>>>of 18 ply..
>>>
>>
>>First, they don't claim to do "fullwidth" in the hardware.
>
>The 12.2 is software+hardware depth.
>It is very clear from their paper.
>
>see page 13 table 2
>
>iteration 12
>minimum software depth 8
>
>The explanation say that is it about the position before white's move
>in game 2 against kasparov.
>
>Uri

They also explain "given iteration i the software is assigned i-4 ply"
In the examples the maximal depth is only 40 plies and top programs of today
have no problem to get that maximal depth.

Uri



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