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Subject: Re: Mate in 11 ...

Author: Ron Murawski

Date: 16:14:42 01/11/03

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On January 11, 2003 at 10:49:46, Art Basham wrote:

>Today I was testing some engines in Arena and found that GoliathV35
>ann. a mate in 11 in only 2 seconds on my slow machine!
>
>Here is the  test position:
>
>[D]1kbr3r/pp6/8/P1n2ppq/2N3n1/R3Q1P1/3B1P2/2R2BK1 w - -
>
>See how long it takes your favorite engine to ann. mate!

  6   -669     0.83      62416   Qf4+ gxf4 Bxf4+ Ne5 Bxe5+ Ka8 Bxh8 Qxh8 Kg2
  7   -545!    0.88      74788   Qf4+ gxf4 Bxf4+ Ne5 Bxe5+ Ka8 Nb6+ axb6 axb6+
                                Na6 Rxa6+ bxa6 Rxc8+ Kb7 Rc7+ Kxb6 Bxh8
  7    500     0.94      96397   Qf4+ gxf4 Bxf4+ Ne5 Bxe5+ Rd6 Bxd6+ Ka8 Nb6+
                                axb6 axb6+ Na6 Rxc8+ Rxc8 Rxa6+ bxa6 Bg2+ Qf3
                                Bxf3+
  8    532!    1.04     131544   Qf4+ Rd6 Qxd6+ Ka8 Bg2 Qh2+ Kf1 Nd7 Bxg5
  8 Mate11     2.97     917711   Qf4+ gxf4 Bxf4+ Ne5 Bxe5+ Rd6 Bxd6+ Ka8 Nb6+
                                 axb6 axb6+ Na6 Rxc8+ Rxc8 Rxa6+ bxa6 Bg2+ Qf3
                                 Bxf3+ Rc6 Bxc6#

Horizon 3.3h / AMD 1.8 GHz; 60MB hash, 4MB pawnhash

Ron



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