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Subject: Re: Deep Blue's 8.Nxe6 in Game 6 a forced win?

Author: Uri Blass

Date: 08:37:47 09/15/03

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On September 15, 2003 at 11:28:07, Robert Hyatt wrote:

>On September 15, 2003 at 09:11:25, emerson tan wrote:
>
>>I played a 24 game match between Shredder 6.02 and Hiarcs 7.32 with the
>>following opening.
>>
>>1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Ng5 Ngf6 6.Bd3 e6 7.N1f3 h6 8.Nxe6
>>
>>Time control was 40/4hrs + 20/2hrs + 2hrs to finish on a 1.8 Ghz processor.
>>
>>Shredder played all the white games and Hiracs all the black games. The score
>>went 13-11 in Hiarcs favor. Only a couple of games were drawn.
>>
>>I choose Shredder 6.02 to have white because it likes whites position and
>>without an opening book, it will play the 8.Nxe6 sacrifice. Also, Shredder has a
>>positional learning. I choose Hiarcs for black solely because of its positional
>>learning. Positional learning is important in this one opening match since it
>>will be able to learn and improve its next play based on the same opening.
>>
>>Maybe 8.Nxe6 is not a forced win for white. Maybe Kasparov can study it and use
>>it in some high profile match against computers since most of the programmers
>>might put it in their books thinking its a forced win for white.
>
>
>The problem is that while Nxe6 probably wins, it is _not_ easy for white to
>find the win.  An IM played several commercial programs (he played black in
>every game) several years ago and won every time with black.  Black _is_ a piece
>up and white has to justify that on _every_ move or lose the game.

The interesting question is if there is someone that can beat the commercial
programs with white in every game.

If someone likes to demonstrate how to beat commercial programs with white in a
correspondence game from the position after Nxe6 then it is going to be a
convincing evidence that white probably wins.

Uri



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