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Subject: Re: Nice mate in 8 for engines!

Author: Ingo Bauer

Date: 09:46:06 12/27/03

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Hi

[D]5rk1/p4p1p/6b1/q7/6P1/1P6/Q4p1P/K1R5 b - -

>Frenzee needs almost 26 seconds (@2GHz AMD) to see the mate
>
>7 -1639 10 45590 1...Qe1 3.Qb2 Rc8 4.Ka2 Rxc1 5.Qxc1 Qxc1
>8 -1905 19 130492 1...Qe1 3.Qb2 Rc8 4.Rb1 f1=Q 5.Qh8+ Kxh8
>9 -1931 43 361221 1...Qe1 3.Qb1
>10 -2177 146 1241710 1...Qe1 3.Qb2 Rc8 4.Ka2 Rxc1 5.b4
>11 -2526 268 2406959 1...Qe1 3.Qb2 Re8
>12 -299985 2563 23874386 [Mate in 8] 1...Qe1 3.Kb2 Qd2+ 4.Ka3 Qxc1+ 5.Qb2 f1=Q
>6.Qxc1 Qxc1+ 7.Ka2 Bc2 8.b4
>
>I think it actually gets a mate bound faster, the current version just doesn't
>output fail highs on the first move and a mate score is definitely outside the
>initial window.

Nevertheless a very good time. Shredder 7.04 on a A@2400MHz only finds a mate in
9 and nees longer than Franzee!

Bye Ingo



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