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Subject: Re: Crafty 16.7

Author: Jeremiah Penery

Date: 04:19:17 05/27/99

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On May 27, 1999 at 07:04:14, Bernhard Bauer wrote:

>On May 26, 1999 at 19:14:14, Michel Chassey wrote:
>
>>Received today from Crafty list :
>>
>>16.7 has been released, finally.
>>
>>I make no guarantees that it is playing better than 16.6, although it seems
>>to be doing so.  If anyone is interested in running a long match between
>>the two versions, feel free to do so and report the results.  Note that
>>both blitz _and_ long games are important.
>>
>>Windows executables will be available when Jason has time to compile them.  If
>>someone is interested in compiling one and sending it to me, I will
>>certainly put it on the ftp machine...
>>
>>Bob
>
>Looks like something is broken since crafty does't find Kb1! in fine70.
>Here the position:
>
>
>       +---+---+---+---+---+---+---+---+
>    8  |   |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    7  | *K|   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    6  |   |   |   | *P|   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    5  | *P|   |   | P |   | *P|   |   |
>       +---+---+---+---+---+---+---+---+
>    4  | P |   |   | P |   | P |   |   |
>       +---+---+---+---+---+---+---+---+
>    3  |   |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    2  |   |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    1  | K |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>         a   b   c   d   e   f   g   h
>
>I think Kb1! is the only winning move.

What depth/time did you let it search?  I think it takes something like depth=20
to see Kb1, but it should only take a few seconds, at most.

Jeremiah



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