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Subject: Re: A test position for chess programs - please not default for CM!

Author: Uri Blass

Date: 10:56:00 12/17/00

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On December 17, 2000 at 12:12:00, Christophe Theron wrote:

>On December 17, 2000 at 11:09:25, Enrique Irazoqui wrote:
>
>>On December 17, 2000 at 04:30:27, Christophe Theron wrote:
>>
>>>Don't show this mainline and score (0.00) to Thorsten!!!
>>>
>>>:)
>>
>>By the way, did you take a look at this position
>>
>>[D] r1b1k3/1p1p1pp1/1p1P3p/pP6/P7/8/5PPP/R5K1 w
>>
>>and at how all programs, yours included, believe that black is doing great?
>>Since there are 1001 cases like this, why do you think programs can put the plan
>>before the search when they can evaluate so horribly? Asking programs to behave
>>like people is it not like putting the cart in front of the horse, like asking a
>>lion to fight like a snake? Sunday questions... :)
>
>
>
>Planning does not work 100% in current programs but it will come.
>
>To be fair you should also mention all the positions that would totally confuse
>human players and that chess programs would play very well in the blink of an
>eye.
>
>Programs and human players do not play with the same weapons. Programmers try to
>cover the cases where programs look stupid to the human eyes. It's more a
>question of cosmetics. You need to play at least 1000 games to see a position
>like the one you have posted happening in a real game.
>
>So solving it would not improve a program significantly (from a very pragmatic
>point of view).
>
>But it is true that solving it would be much more satisfying from an
>intellectual point of view. It will certainly come...
>
>
>
>    Christophe

I can add that you need to know to evaluate the position correctly not only at
the root.

I can imagine a program that does a preprocessing and evaluate the position
correctly but the preprocessing does not help it in a previous move and it is
happy to go for this position with black.

Uri



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