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Subject: Re: One mate to solve...

Author: leonid

Date: 16:28:41 04/27/01

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On April 27, 2001 at 18:44:32, Mike S. wrote:

>On April 27, 2001 at 08:28:44, leonid wrote:
>
>>(...)
>>4nqqQ/1r2qR1Q/2q1NBQN/q3n1PK/kr1qn1RQ/4RBq1/5NpN/3bb2R b - -
>
>Black has the move?

Yes.

>Please tell at least how many moves the mate takes, to allow an estimation of
>the calculation time required.

I really don't know exact minimum amount of moves for this position and expect
that somebody will come with response. I had too bad branching factor when I
tried to solve it in perfect way. As a result, I saw this position by brute
force only 6 moves deep (already 23 min). In 6 moves for sure no mate. And in 10
- mate was found by my selective search. Shortest mate exist without any doubt
between 7 and 10 moves.

Cheers,
Leonid.

>With white to move, I didn't find a #5, using Mate 2.0 with standard options.
>
>Regards,
>M.Scheidl



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