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Subject: Re: Deep Blue Overlooked Perpetual?

Author: blass uri

Date: 11:03:12 10/03/99

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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



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