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Subject: Re: Difficult mate at 11 not 12

Author: Günter Müller

Date: 17:16:33 10/12/02

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On October 12, 2002 at 19:20:09, Günter Müller wrote:

>Matt in 11
>
>1r5r/1bp1Rppp/p1kB4/1p1q4/1Q6/2P2N2/PP3PPP/RN4K1 w - - 0 1
>Analysis by Ruffian 1.0.1 0:
>1.Ne5+ Kb6 2.Bc5+ Qxc5 3.Nd7+ Ka7 4.Qxc5+ Ka8 5.Qxc7 Rhd8 6.Na3
>  +-  (#10)   Depth: 11/26   00:00:28  15758kN
>
>
>1r5r/1bp1Rppp/pk1B4/1p1qN3/1Q6/2P5/PP3PPP/RN4K1 w - - 0 1
>Analysis by Ruffian 1.0.1 0:
>2.Bc5+ Qxc5 3.Nd7+ Ka7 4.Qxc5+ Ka8 5.Qxc7 Rhd8 6.Na3 Rxd7 7.Rxd7 h6 8.Re1 Ka7
>9.Nxb5+
>  +-  (#10)   Depth: 10/18   00:00:07  2570kN
>
>
>kr1r4/1bQNRppp/p7/1p6/8/2P5/PP3PPP/RN4K1 w - - 0 1
>Analysis by Ruffian 1.0.1 0:
>1. +- (#5): 6.Na3 Rxd7 7.Rxd7 h6 8.Re1 Ka7 9.Nxb5+ Ka8 10.Re8 Rxe8 11.Qxb7#
>2. +- (#6): 6.Nb6+ Ka7 7.Na3 Rd6 8.Nxb5+ axb5 9.Nc8+ Ka8 10.Qa5+ Ra6 11.Qxa6+
>Bxa6 12.Ra7#
>
>(Müller, home 13.10.2002)


Matt in 11
kr1r4/1bQNRppp/p7/1p6/8/2P5/PP3PPP/RN4K1 w - - 0 1

Analysis by ChestUCI Ver.2.0:

6.b4 Rxd7 7.Rxd7 Ka7 8.a4 Ka8 9.axb5 a5 10.Rxa5+ Ba6 11.Rxa6#
  +-  (#6)   Depth: 6   00:00:51
6.Nd2 b4 7.Nb6+ Ka7 8.Ndc4 b3 9.Na5 Rd1+ 10.Rxd1 bxa2 11.Nc6#
  +-  (#6)   Depth: 6   00:00:51
6.Na3 b4 7.Nb6+ Ka7 8.Nb5+ axb5 9.Nc8+ Ka8 10.Qa5+ Ba6 11.Ra7#
  +-  (#6)   Depth: 6   00:00:51

(Müller, home 13.10.2002)

• Re: Difficult mate at 11 not 12 Günter Müller 03:08:18 10/13/02
  • Re: Difficult mate at 11 not 12 allan johnson 23:11:45 10/13/02

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