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Subject: Re: Symbolic: The TNS (Thousand Node Search)

Author: Steven Edwards

Date: 11:09:42 02/16/04

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On February 16, 2004 at 13:35:52, Heiner Marxen wrote:
>On February 16, 2004 at 10:31:03, Steven Edwards wrote:

[deletia]

>>And although the exact implementation details of the above phrase "good reason"
>>are not well defined at this point, it is guaranteed that each "good reason"
>>will have a natural language representation.  Thus, another reason for the TNS
>
>That is a very good idea IMHO.
>Especially as it forces _you_ to make explicit (part of) your method.
>OTOH, I would not object to usage of a few newly invented terms/words, here.
>Such terms could be globally defined (by you, the programmer), or locally,
>by Symbolic, for just one generated "explanation".

ChessLisp also has a (speak <string-value>) function along with support for
(format ...) and stream objects, so it can also provide a spoken running
commentary on a search.  This only works on the Macintosh version; however, Mac
OS X has a couple of dozen pre-generated voices and I might use different voices
for the different knowledge sources.  I could even make an MP3 or QuickTime
movie w/audio of a search and post it to the internet.

>>node count limitation: Symbolic will produce an explanation audit trail with all
>>of the good reasons, in English, for each decision made during the search and
>>this document has to be easily readable (by me) for the purposes of tutoring the
>>program.  A multi-megabyte dump will not be useful, but a five or six page
>>synopsis should work well.
>
>I admire your (obviously serious) effort to do AI in chess.

Serious, yes.  But success, if any, lies at the end of a long road.

Symbolic is an AI effort first, a chess program second, a Lisp program (and
interpreter) third, and fourth a C++ program at the bottom of everything.  By my
account, it is the first real chess AI effort by anyone in years to produce a
competitive program.



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