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(81) Posted by Administrator [Wednesday, Sep 12, 2007 20:05]

Whatever, I don't approve. I will not forbid it, but as your host I can at least establish some "house rules" without need to explain the reasons.

Recently Udo Degener wrote to me in his e-mail message:

 QUOTE 
PS: a question for the forum:
is there is no programmer among the problemists who can add a theme-recognition into the program "popeye"...


I'd like if somebody opens a discussion about that subject. Popeye is an open source, free, good and versatile solving program, let's turn our attention to it for a change.
 
   
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(82) Posted by Hauke Reddmann [Thursday, Sep 13, 2007 12:33]

Udo surely wasn't the first to ask that. But frankly, this
isn't rather a problem in *programming* it but some of AI -
the amount of pattern recognition needed looks murderous
to me, even for such a simple thing like a Nowotny.

I wonder if a neuronal net would fare better?

Hauke
 
   
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(83) Posted by Sarah Hornecker [Thursday, Sep 13, 2007 12:48]

It should be possible to get an algorithm for Bristol and Babson done, I think. Maybe Gady Costeff and Lewis Stiller could help since they invented the most beautiful Chess Query Language which can handle such difficult things.
 
 
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(84) Posted by [Thursday, Sep 13, 2007 19:57]

> But frankly, this
>isn't rather a problem in *programming* it but some of AI -
>the amount of pattern recognition needed looks murderous
>to me, even for such a simple thing like a Nowotny.

AI is not required ... unless the specifications of the themes
in questions are too imprecise.

Dawson's Systematic Terminology (from BCM 1947-1949, or from
a reprint by Ken Whyld) describes a fairly decent language for
describing theme patterns: it can be improved, as there is much
that is implied, but the foundation seems to be sound, as far as
I can judge. I've mainly checked the simpler themes, though.

Assuming that it is possible to describe themes in some kind
of formal language, the program becomes little more than feature
extraction and matching.
 
 
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