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Subject: Re: Criteria for Good Test Positions = ?

Author: Ingo Lindam

Date: 06:37:21 12/09/02

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On December 09, 2002 at 09:08:28, Bob Durrett wrote:

>Suppose one wished to verify that a chess engine were able to correctly evaluate
>positions in which some positional advantage(s), such as space advantage, were
>dominant.
>
>Presumably, this would require not one test position but a suite of test
>positions.
>
>Suppose a suite of test positions, each of which contained the positional
>features of interest, were used.  Suppose also that the engine came up with the
>right answer for each and every position.
>
>Would it really matter why the engine came up with all the right answers?
>
>Maybe it came up with all of its answers "for all the wrong reasons."
>
>But if the engine solves every positional test position that the humans can
>throw at it, wouldn't it be safe to say the engine can play positional chess?
>
>Bob D.

Dear Bob,

as in any philosophical dispute it is difficult to find the one and only truth
making all philosophers being happy with it.

You supposed a lot things and I am affraid we will never see all of those
supposed things happen at the same time/experiment.

But just let it suppose...

you have an incredible large number of test positions...
the engine gives the 'supposed to be best move' in any of these positions...
and all/a lot of this best moves are given by the wrong reason...

so I would believe that the 'wrong reason' is that the engine is just knowing
the position and/or the best move (the solution) in advance...
But I guess you will ask me to suppose that this is not the case...

so I would suppose that the 'wrong reasons' making the engine give us all this
solutions for are just the BETTER reasons than mine or the one I suppose to be
the one and only right reason, BUT ofcourse you will again ask me to suppose
that this is not the case...
(I am just beginning to believe that this stuff is not bad for writing a ballad
about)

so the unimaginable stupid engine completely nothing knowing about the right
reasons and completely nothing knowing about the solutions of the test positions
in advance... is giving the one and only best move in any case in any position
you give to it??

Than this engine is... and I am absolutely sure... NO chess engine...but just a
magic wand...

...but that isn't bad either! :-)

And ofcourse it is a magic wand having absolutely incredible tremendous good
(just not to say perfect, although ofcourse I mean perfect) positional chess
playing skills!!

Internette Gruesse,
Ingo






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