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

Author: Jim Monaghan

Date: 06:54:51 09/15/03

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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.

Interesting test. I think you've shown that the position after 8.Nxe6 is roughly
equal when played by two opponents with near perfect board sight and no
emotions. In practice, I think it would be extremely difficult for a human GM,
as Black, to hold the position since his king will be stuck in the centre and
the White pieces will be swarming all over. The constant pressure and
calculation necessary will most probably produce a momentary lapse and loss. In
this sense, 7... h6? must be considered a practical error and 7... Bd6! is to be
perferred.

Jim




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