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Subject: Re: mate-in-13

Author: F. Huber

Date: 12:48:43 04/16/05

Go up one level in this thread

On April 16, 2005 at 15:02:50, Mike Byrne wrote:

>while searching for info on Ruffian - found this old problem that Ruffian 1.0.1
>solved very quickly
>
>Crafty 19.20
>Dual Opterons
>
>White(1): [d]8/8/pp6/2pp2p1/3p2Pk/3P1K1P/5PP1/8 b - - 0 1

The fastest ´brute force´ mate for ChestUCI in my collection so far! :-)

ChestUCI Ver.4.1:
CPU: Celeron 400MHz
FEN: 8/8/pp6/2pp2p1/3p2Pk/3P1K1P/5PP1/8 b - -
Search for Mate in -13 ...  (Hash=64MB)
Search completed ...  (Time=51.24s)
Mate in -13 found !  (00:51)
Pa6-a5 --> 1.Ke2 c4 2.Kf1 c3 3.Kg1 c2 4.Kh2 c1Q 5.g3#
Pb6-b5 --> 1.Ke2 c4 2.Kf1 c3 3.Kg1 c2 4.Kh2 c1Q 5.g3#
2 Solutions  (Mate in -5)
Pc5-c4 --> 1.Ke2 cxd3+ 2.Kxd3 b5 3.Ke2 d3+ 4.Kxd3 d4 5.Ke2 d3+ 6.Kxd3 b4 7.Ke2
b3 8.Kf1 b2 9.Kg1 b1Q+ 10.Kh2 Qg1+ 11.Kxg1 a5 12.Kh2 a4 13.g3#
1 Solution  (Mate in -13)

Regards,
Franz.

• Re: mate-in-13 John Merlino 13:11:13 04/16/05
  • Re: mate-in-13 Alan Grotier 13:59:24 04/16/05
    • Re: mate-in-13 John Merlino 14:26:34 04/16/05
  • Re: mate-in-13 F. Huber 13:19:24 04/16/05
    • Re: mate-in-13 John Merlino 13:25:02 04/16/05
• Re: mate-in-13 F. Huber 12:51:06 04/16/05

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