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Subject: Re: opps. here is the diagram ...

Author: Uri Blass

Date: 14:08:47 12/17/05

Go up one level in this thread


On December 17, 2005 at 16:39:02, David Dahlem wrote:

>On December 17, 2005 at 16:37:35, David Dahlem wrote:
>
>>On December 17, 2005 at 15:51:16, K. Burcham wrote:
>>
>>>
>>>
>>>What is the shortest mate that you know programs cannot find?
>>>and
>>>What is the shortest mate you know that most programs take a deep search to
>>>find?
>>>
>>>kburcham
>>
>>Here is a mate in 1 (probably not legal). ChestUCI finds the solution, but other
>>engines can't seem to find it. :-)
>>
>>Regards
>>Dave
>
>[D]8/8/pppppppK/NBBR1NRp/nbbrqnrP/PPPPPPPk/8/Q7 w - -

Movei finds the solution in less than a second and Movei is a weak engine.

Junior9 is even faster so programs that are not chest certainly can find it.

New game, 38'/40+38'/40+38'/40
8/8/pppppppK/NBBR1NRp/nbbrqnrP/PPPPPPPk/8/Q7 w - - 0 1

Analysis by Junior 9:

1.axb4 Qxf3 2.Nxd4 Qxg3 3.Rxg4
  +-  (5.85)   Depth: 3   00:00:00  11kN
1.dxe4 exf5 2.Qh1+ Kxg3 3.cxd4 Nxd5
  +-  (10.18)   Depth: 3   00:00:00  64kN
1.Qh1#
  +-  (#1)   Depth: 3   00:00:00  65kN
1.Qh1#
  +-  (#1)   Depth: 3   00:00:00  65kN

(,  18.12.2005)

Uri



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