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Subject: Re: 40.. Bc7 [was Re: Deep Blue--Part III]

Author: Ernst A. Heinz

Date: 03:22:42 05/11/98

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On May 11, 1998 at 06:11:31, Howard Exner wrote:

>On May 11, 1998 at 05:07:16, Ernst A. Heinz wrote:
>
>>On May 11, 1998 at 02:50:40, Howard Exner wrote:
>>> [...]
>>>
>>>I applaud the move B-c7 which I doubt any other computer program
>>>would ever consider.
>>
>>"DarkThought" locks onto Bc7 in iteration #12 after roughly a minute
>>on a 600MHz Alpha-21164a and feels slightly positive (+0.3).
>
>Dark Thought has once again proven me wrong (as it did in my endgame
>suite).
>I'll have to quit with the sweeping generalizations ("any other
>program").
>
>Would Dark Thought have gone into the exchange sac variation had
>black played as my sparring partner (Rebel 8)?

Yes, instantly -- the exchange sacrifice started to show up during
iteration #12 of Black's move #40 such that I suspect it to be the
(correct!) reason for the choice of 40.. Bc7 by "DarkThought".

=Ernst=



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