Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: One very easy mate to solve.

Author: Pete Galati

Date: 21:43:13 05/21/01

Go up one level in this thread


On May 21, 2001 at 21:17:24, leonid wrote:

>Hello!
>
>I was not sure what position to chose between three close mate positions.
>Decided to put the simplest one today and hardest one at the end, later.
>
>[D]RqqkqqR1/rBNbNBr1/QnqRqnQ1/bqBRBqb1/Q2K2Q1/8/8/8 w - -
>
>Please indicate your result.
>
>Thanks,
>Leonid.

I needed to load Junior6 on this computer cause I plan to use it in the near
future for an interface to run Comet in the 60 minute per move against Mogens'
Gandalf, so this is what Junior6 had to say:

New position
RqqkqqR1/rBNbNBr1/QnqRqnQ1/bqBRBqb1/Q2K2Q1/8/8/8 w - - 0 1

Analysis by Junior 6.0:

1.Q4xb5 Qf2+ 2.Kd3 Qd2#
  -+  (-#3)   depth: 3   00:00:00  6kN
1.Qc2 Qxg4+ 2.Bf4 Qg1+ 3.Qf2 Qxf2+ 4.Be3 Bxe3#
  -+  (-45.84)   depth: 3   00:00:00  19kN
1.Rxd7+ Nbxd7 2.Nxc6+ Qexc6 3.Bxf6+ Bxf6+ 4.Nxb5
  -+  (-10.25)   depth: 3   00:00:00  91kN
1.Nxe6+ Qxe6 2.Nxc6+ Qbxc6 3.Rxd7+ Nbxd7 4.Bxb8
  -+  (-7.44)   depth: 3   00:00:00  99kN
1.Nxe6+!
  -+  (-7.14)   depth: 6   00:00:00  210kN
1.Nxe6+ Qxe6 2.Nxc6+ Qbxc6 3.Rxd7+ Qe6xd7 4.Qxd7+ Nfxd7 5.Qgxc6 Rxa6 6.Bxc8
  -+  (-5.65)   depth: 6   00:00:00  316kN
1.Nxe6+!
  -+  (-5.35)   depth: 9   00:00:01  1336kN
1.Nxe6+! Qxe6 2.Nxc6+ Qbxc6 3.Rxd7+ Qe6xd7 4.Qxf6+ Bxf6 5.Qxd7+ Qc8xd7 6.Rxb8+
Qcc8 7.Qxd7+ Nxd7 8.Rxc8#
  +-  (#8)   depth: 9   00:00:04  3868kN
1.Nxe6+ Qxe6 2.Nxc6+ Qbxc6 3.Rxd7+ Qe6xd7 4.Qxf6+ Bxf6 5.Qxd7+ Qc8xd7 6.Rxb8+
Qcc8 7.Qxd7+ Nxd7 8.Rxc8#
  +-  (#8)   depth: 9   00:00:04  4113kN

It came up with that really fast and then just stopped searching.  63mb hash,
the computer's 700mhz Celeron.

Pete




This page took 0.05 seconds to execute

Last modified: Thu, 07 Jul 11 08:48:38 -0700

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