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Subject: Re: Deep Blue vs Kasparov 1997 difficult positions

Author: Vine Smith

Date: 18:02:28 04/17/02

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On April 17, 2002 at 13:26:34, K. Burcham wrote:

>
>
>Deep Blue vs Kasparov  1997 Six game match
>
>if you have any Deep Blue positions that were played in the six game match, that
>you feel are very difficult for todays programs, could you please post them
>here. I will check to make sure I have them.
>If you have any positions you feel that cannot be found by todays programs,
>please state that with the position please.
>I am trying to compile the complete list of Deep Blue moves that anyone thinks
>cannot be found, or played by todays programs. probably have most--but you might
>have one i overlooked.
>If you have read somewhere about a Deep Blue position that someone thought was
>too difficult for todays programs, please post with position and game number.
>
>question everything,
>kburcham

This is actually a counter-example, a failure by DB to find its best chance that
Junior 7 (but not Fritz6, Crafty 18.10, Yace 0.99.56, or Tiger 14.0) sees in
about 6 minutes on a PIII-850 (so, presumably, in tournament time on a faster
machine). Several annotators believed this was DB's last chance to draw game 1:
3rr1k1/1p6/2p3P1/4nP1p/pP2p3/P1B1NbP1/2P3B1/5RK1 b - - 0 36
Instead of 36...Kf8 as played by DB here, 36...Ng4 gives good drawing chances
according to Benjamin's notes from Informant, and Goodman and Keene's book on
the match. Incidentally, I have a PGN file of Game 1 compiling all notes I could
find from various sources, including Seirawan, Nunn, Goodman/Keene,
Khodarkovsky/Shamkovich, Henley, and Benjamin amongst others, as well as
excerpts from the Deep Blue log files for the game. If you're interested, I
could e-mail this to you.

Regards,
Vine Smith



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