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Subject: Re: Difficult position for computers?

Author: José de Jesús García Ruvalcaba

Date: 16:29:00 07/28/99

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On July 28, 1999 at 18:29:22, Dann Corbit wrote:

>I am preparing some analysis for you.
>
>You have hit upon the portion of the game where (I feel) computers really are
>the weakest and humans are the best.

	I feel the same.

> Openings would be the same, but with
>opening database systems, computers are just as strong as people now.
>
>But at the phase of the game you are in, I find that if I can survive that long,
>I will often win.

	I also score wins from even endings, or endings in which I have a very small
advantage, against computers.

> But computers only very, very rarely let me get that far
>because I will make some tactical mistake on the way.
>

	Seems we suffer the same disease. Specially at blitz, it is extremely difficult
to avoid being tactically crushed by the programs. I have just had two
devastating defeats against crafty.

>When the board is fairly clear, and yet the computer does not have the full
>power of the tablebase because there are too many pieces on the board, it is
>very easy to see ten full moves ahead for the person, but still hard for the
>computer to do this.
>

	Even if they can search deeper in the endgame, very often the evaluation is
wrong, dead wrong. If planning is required, computers have little chance.
	In tactical endings they are very strong, actually. In some queen endings I
think they are stronger than most grandmasters.

>I think if you can write a program that is equal in all other areas and can play
>in this portion of the game with strategic planning, it will beat all the
>others.

	A very difficult task. But as we say «si las cosas que valen la pena fueran
fáciles, cualquiera las haría», which loosely means «if the worthy things were
easy, anybody would do them».
José.



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