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Subject: Re: Testposition: easy for human, hard for computers! - Not for ChestUCI

Author: F. Huber

Date: 11:00:28 03/31/04

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On March 31, 2004 at 12:22:39, F. Huber wrote:

>On March 31, 2004 at 09:13:59, Eduard Nemeth wrote:
>
>>Composition Eduard Nemeth
>>
>>[D]4nBRR/4P1PP/3pKn2/8/4P3/8/6k1/8 b - - 0 1
>>
>>Black wins.
>>
>>My german comment, you can find on my website
>>
>>http://www.beepworld.de/members37/computerschach/
>>
>>under "Schach-Augenblicke" Issue 02.
>>
>>Eduard.
>
>ChestUCI Ver.3.4  UCI:
>
>CPU: Celeron 400MHz
>FEN: 4nBRR/4P1PP/3pKn2/8/4P3/8/6k1/8 b - -
>Search for 1. Special-Mate [C-/K8/P1/X8] in 30 ...  (Hash=64MB)
>16   15:22  M16  1. ... Sxe4
>Search completed ...  (Time=921.21s)
>Special-Mate in 16 found !  (1. Solution in 15:21)
>16   15:22  M16  1. ... Nxe4 2.Kd5 N4f6+ 3.Kd4 Kf3 4.Kd3 d5 5.Kd4 Ke2 6.Kc3 Ke3
>7.Kb3 d4 8.Ka3 d3 9.Kb3 d2 10.Kc2 Nd5 11.Kd1 Nc3+ 12.Kc2 d1Q+ 13.Kxc3 Qa4 14.Kb2
>Kd3 15.Kb1 Kc3 16.Kc1 Qa1+
>
>(Would need about 3 min on a faster CPU)
>
>Franz.

I´ve found a still better setting:
With X7 the solution time is further reduced to about 10 min (compared to
15 min with X8) - this is now really the optimum setting: C-/K8/P1/X7

Franz.



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