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Subject: Re: Mate in 4...... End Game Study..

Author: Christophe Drieu

Date: 11:19:48 06/01/03

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On June 01, 2003 at 12:39:34, Art Basham wrote:

>Some engines (such as Sjeng 12.10) have trouble finding
>1. Kd6...!
>
>[D]7k/1p3p2/4pNpB/1b2K3/3p4/8/8/8 w - - 0 1
>
>I see it takes my WChess 10 ply and 30 sec. to find it,
>and Rebel 12 takes 11 ply and 46 sec. to find it....etc.
>
>This is also a good test for table top machines and portables...
>My old TurboStar432 takes about 9 minutes to find it!
>
>Novag Scorpio takes 7.8 sec. to find it...etc.

My T.rex 1.7 find it in 4.6 seconds on my PIII 800Mhz

00:00:00.0	-0,96	1	30	Kxd4 g5
00:00:00.0	-0,96	2	42	Kxd4 g5
00:00:00.0	-0,89	3	422	Kxd4 Bc6 Bf4
00:00:00.0	-0,93	4	1671	Kxd4 Bc6 Bf4 Kg7
00:00:00.1	-0,90	5	7184	Kxd4 Bc6 Kc3 b6 Bf4
00:00:00.2	-0,94	6	23721	Kxd4 Bc6 Kc3 b6 Bf8 Be4
00:00:01.0	-0,89	7	119140	Kxd4 Bc6 Kc5 Bf3 Kb6 e5 Be3
00:00:04.6	-155,36	8	507858	Kd6

Regards



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