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Subject: Re: Deep Blue Overlooked Perpetual?

Author: Ed Schröder

Date: 12:16:34 10/03/99

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On October 03, 1999 at 14:03:12, blass uri wrote:

>On October 03, 1999 at 13:38:55, Steve Schooler wrote:
>
><snipped>
>> 3) How could Deep Blue "blunder" a winning position into an
>>     "elementary" draw by perpetual check which was only 8 or 10 ply
>>     deep?
>
>It was not 8 or 10 ply deep.
>
>Commercial programs cannot see the draw even after a long time
>and they have no problem to see 8-10 plies.
>
>I am sure that you need to see more than 40 plies to see repetition
>(I read that you need 60 plies).
>
>Uri

Have a look at: http://www.rebel.nl/db2.htm

The analysis is still there.

Ed



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