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Subject: Re: Nolot 3,6,9 - positions

Author: Charlie GOLD

Date: 03:33:55 01/18/00

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On January 18, 2000 at 04:42:47, Jeremiah Penery wrote:

>On January 18, 2000 at 04:21:45, Dann Corbit wrote:
>
>>Has any computer ever solved any of them?
>>
>>If not, why not?
>>
>>Zugzwang?
>>Positional?
>>Too deep?
>>or
>>???
>
>I have had several 'versions' of my modified Crafties that 'solve' #3.  They do
>not find the true tactical win there (it's way too deep), but choose the move
>positionally.  I think the reason most programs don't get it is that they value
>the queen more relative to the other pieces.  Since it's more of a positional
>queen sac problem, they won't find it because of this.

It would be nice to "see" these positions.  charlie
>
>With #6 and #9, the solution is simply _way_ too deep for any current computer,
>combined with the fact that the 'solutions' given may not contain all the
>optimal moves.  Pierre Nolot himself said he wasn't too sure about #9, and
>welcomed any analysis to show its validity (or non-validity :).



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