Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: One mate to solve...

Author: leonid

Date: 18:58:22 04/27/01

Go up one level in this thread


On April 27, 2001 at 19:28:41, leonid wrote:

>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.


Will just add, maybe this could help, that mate that my solver found started
with move g3-h4.


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



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.