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Subject: Re: Mate in 22....Engine test....etc.

Author: F. Huber

Date: 09:23:45 05/04/04

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On May 04, 2004 at 10:19:39, Rob Basham wrote:

>[D]5n2/B3K3/2p3p1/4k1N1/7P/3bN1P1/2Prn1P1/1q6 w - - 0 1
>
>Ruffian 1.0.1 announces mate in 22 in only 12 seconds!
>
>P3/850
>
>This should be a good test...

Absolutely no problem for ChestUCI:

ChestUCI Ver.3.5  UCI1:

CPU: Celeron 400MHz
FEN: 5n2/B3K3/2p3p1/4k1N1/7P/3bN1P1/2Prn1P1/1q6 w - -
Search for Special-Mate [C+/K0/P0/X0] in 22 ...  (Hash=48MB)
22   00:01  M22  1.Sf3+
Search completed ...  (Time=1.87s)
Special-Mate in 22 found !  (00:01)
1.Nf3+ Ke4 2.Nxd2+ Ke5 3.Nf3+ Ke4 4.Ng5+ Ke5 5.Nf7+ Ke4 6.Nd6+ Ke5 7.Ng4+ Kd5
8.Nf6+ Ke5 9.Nf7+ Kf5 10.Nh6+ Ke5 11.Nhg4+ Kf5 12.Ne3+ Ke5 13.Nfg4+ Ke4 14.Nf2+
Ke5 15.Nxd3+ Ke4 16.Nf2+ Ke5 17.Nfg4+ Ke4 18.Nf6+ Ke5 19.Nc4+ Kf5 20.Nd6+ Ke5
21.Ng4+ Kd5 22.c4#
1 Solution  (Special-Mate in 22)

Regards,
Franz.



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