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Subject: Re: Leonid's very easy position is actually VERY DIFFICULT!

Author: John Merlino

Date: 14:34:27 10/21/03

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On October 21, 2003 at 14:09:10, Jouni Uski wrote:

>[D] 2r1N2B/PP1RqP1Q/K2nnq1R/Npk3q1/3q1qQr/2qbbQ2/1P1Q3q/1q1B1Q2 w - -
>
>It's interesting to test this under Fritz8 GUI with 2,4 GHz PC:
>
>Fritz: no solution in 5 minutes (depth still 1 ply!)
>Yace: no solution in 5 minutes
>Ruffian: 26 seconds to bxc8R and 10x announcement
>Shredder: crash after 2 minutes (in shredder704.dll)!
>
>Finally the truth = analysis by ChestUCI Ver 2.6:
>
>1.Qxc3+ Qxc3 2.bxc8Q+ Nxc8 3.Qc6+ Kb4 4.Qxc3+ Qxc3 5.Bxc3+ Kc5 6.Nb3+ Kc6
>7.Rxe6+ Qed6 8.Rexd6+ Nxd6 9.a8Q+ Nb7 10.Qxb7#
>  +-  (#10)   Depth: 10   00:23:02
>1.bxc8R+ Nxc8 2.Qc6+ Kb4 3.Qcxc3+ Qxc3 4.Qxc3+ Qxc3 5.Bxc3+ Kc5 6.Nb3+ Kc6
>7.Rxe6+ Qed6 8.Rexd6+ Nxd6 9.a8Q+ Nb7 10.Qxb7#
>  +-  (#10)   Depth: 10   00:23:02
>1.bxc8Q+ Nxc8 2.Qc6+ Kb4 3.Qcxc3+ Qxc3 4.Qxc3+ Qxc3 5.Bxc3+ Kc5 6.Nb3+ Kc6
>7.Rxe6+ Qed6 8.Rexd6+ Nxd6 9.a8Q+ Nb7 10.Qxb7#
>  +-  (#10)   Depth: 10   00:23:02
>
>Jouni

Chessmaster 9000 announces Mate in 10 in two seconds (on my humble P3-750).

jm

• Re: Leonid's very easy position is actually VERY DIFFICULT! Johan de Koning 01:10:33 10/22/03
  • Re: Leonid's very easy position is actually VERY DIFFICULT! John Merlino 08:50:38 10/22/03
    • Re: Leonid's very easy position is actually VERY DIFFICULT! Johan de Koning 03:39:26 10/23/03

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