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Subject: Re: Easy pawn ending for computers ?!

Author: Rafael Andrist

Date: 07:14:09 11/18/01

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On November 18, 2001 at 10:03:15, piet de hoop wrote:

>The next position occured in Diep versus Rebel Century 4 round 6 of the Dutch
>Open Computer Chess 2001
>
>[D] 8/6p1/3k3p/8/3K4/7P/8/8 b - - 0 43
>
>The result was a draw, but for some computerprograms I tried, the evaluation was
>from -1 to -3.4 pawn. (Fritz 6.0, Crafty,Yace)
>
>I expect that programs equipped with the right pawntable base have no problem
>with this position, but i expected that programs without these tablebase while
>calculating over 30 plys or more should give the right evalution?
>
>Or do i miss something?
>

If the program doesn't know it is a draw, then Black won't give his extra pawn
away in the search. To recognize a draw by 50 move rule, several hundreds of
plys are necessary.

The position you posted is interesting because the right to move decides about
win or draw. Can you please post the whole game?

Rafael B. Andrist



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