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Subject: Re: DB Test Suite

Author: Dann Corbit

Date: 17:57:13 07/24/00

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On July 23, 2000 at 13:23:50, Amir Ban wrote:
[snip]
>It's assumed that Deep Blue played perfectly, and it doesn't look like it.

Who would assume that?  It is a completely lunatic assumption, since perfect
play would mean annoncing mate after the first move (or perhaps before any
move).

>Kasaprov went wrong on 27... d4? Instead 27... Qg5 gets a draw (28. g3 f4 29. g4
>{29. Nd6 Qh5 30. Qc3+ d4 31. Qc5 Qxh3 draw } f5 30. Qxd5 hxg4 31. Qxg5 Rxg5
>draw). Since the position after white's move 27 is a draw, there's not much
>significance to DB's moves before that. If anything, it blew a small advantage
>with the suspicious 26. Qxb6?! and 27. Qc5?!

Are you certain that the ce would not change if you doubled or tripled your
search depth in plies?

How much difference is their between your evaluations of the choices your
program chooses and the choices made by Deep Blue?  Is it more than 1/2 of a
pawn in any of the cases?



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