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Subject: Re: Hard K+P ending position

Author: Mike Byrne

Date: 15:16:56 06/29/03

Go up one level in this thread


On June 29, 2003 at 15:30:03, Jeremiah Penery wrote:

>[D]8/5p1p/8/6k1/8/6P1/5PP1/7K w - -
>
>This position was part of a test posted quite some time ago.  All the other
>positions were solved without huge difficulty by programs, but this one was not.
> I've seen a couple of times where programs come up with the first move, but
>they don't really know what's going on.
>
>I want to see a program get the correct line with a decent score (more than +1
>or so).
>
>The line is 1. Kh2 f6 2. Kh1! f5 3. Kg1 Kf6 4. Kf1 Ke5 5. Ke1 Kd5 6. Kd1 Ke5 7.
>Kc2! Kd4 8. Kd2 Ke4 9. Ke2 h6 10. Kf1! Ke5 11. Kg1 Kf6 12. Kh2 Kg6 13. Kh3, and
>now the win is not hard to find.

Crafty v19.3 (2 cpus)

White(1): 8/5p1p/8/6k1/8/6P1/5PP1/7K w - -
White(1): st 99999
search time set to 99999.00.
White(1): d

       +---+---+---+---+---+---+---+---+
    8  |   |   |   |   |   |   |   |   |
       +---+---+---+---+---+---+---+---+



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