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Subject: Re: Crafty 16.7

Author: Robert Hyatt

Date: 05:05:48 05/27/99

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On May 27, 1999 at 07:19:17, Jeremiah Penery wrote:

>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

Kb1 is the only winning move, and my 16.7 finds it at depth=18 (default
everything) in a fraction of a second...



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