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Subject: WAC#2: solution by depth or evaluation?!

Author: Steffen Jakob

Date: 05:32:02 02/24/99

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Hi Vincent!

On February 24, 1999 at 08:15:09, Vincent Diepeveen wrote:

[...]

>Most programs, including crafty solve win at chess position 2,
>at low depths just seeing that pawns get to 3d rank, where such
>kind of evaluation is very dangerous.

[...]

Hossa is in the meanwhile also able to solve this position by evaluation. I
consider the following aspects:

(1) Black gets two connected passed pawns on the 3rd rank
(2) Black has no way to stop at least one of them from promoting
(3) Black cannot give a perpetual check

Of course I cannot be 100% sure that (2) and (3) is true in any case but I think
that my evluation is more often correct than incorrect. You mentioned only (1)
for crafty. Is that true?

How does Diep solve WAC#2?

Greetings,
Steffen.



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