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Subject: Re: Mate in 6 ....Problem

Author: John Merlino

Date: 11:03:47 02/16/03

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On February 16, 2003 at 07:20:14, Art Basham wrote:

>This one is a real gem!
>AS far as I know,
>
>1. Kf8 is the only move that leads to a mate in 6...!
>
>[D]6K1/6B1/3pNNk1/8/4P3/8/8/8 w - - 0 1
>
>My Fritz 7 finds it for awhiile ..but then changes to Bh8...
>
>I wonder if there is a program that finds Kf8 and stays there
>long enough to force the mate in 6....:-)
>
>Art

Chessmaster 9000, on a P3-733, finds mate in 6 in seven seconds:

Time	Depth	Score	Positions	Moves
0:00	1/3	10.43	567		1.Ne8 Kh5 2.Nxd6 Kg4
0:00	1/3	10.45	971		1.Nd5 Kh5 2.Bf8 Kg4 3.Nf6+ Kf3
					4.Bxd6
0:00	1/4	10.45	1575		1.Nd5 Kh5 2.Bf8 Kg4 3.Nf6+ Kf3
					4.Bxd6
0:00	1/4	10.60	2076		1.Ne8 d5 2.exd5 Kf5 3.Nd6+ Kg4
0:00	1/5	10.63	4547		1.Ne8 Kh5 2.Kf7 Kg4 3.Nxd6
0:00	2/6	10.80	9105		1.Ne8 Kh5 2.Kf7 Kh4 3.Nxd6 Kg4 4.e5
0:00	2/6	17.31	32590		1.Kf8 d5 2.exd5 Kf5 3.Ke7 Ke5 4.d6
					Kf5 5.d7 Kg6 6.d8=Q
0:00	3/7	17.31	50268		1.Kf8 d5 2.exd5 Kf5 3.Ke7 Ke5 4.d6
					Kf5 5.d7 Kg6 6.d8=Q
0:01	4/8	Mate08	118203		1.Kf8 d5 2.exd5 Kf5 3.Ke7 Ke5 4.d6
					Kf5 5.d7 Kg6 6.d8=Q Kf5 7.Qa5+
					Kg6 8.Qh5#
0:03	5/9	Mate08	417479		1.Kf8 d5 2.exd5 Kf5 3.Ke7 Ke5 4.d6
					Kf5 5.d7 Kg6 6.d8=Q Kf5 7.Qa5+
					Kg6 8.Qh5#
0:07	6/10	Mate06	1006057		1.Kf8 d5 2.exd5 Kf5 3.Kf7 Ke5 4.Kg6
					Kd6 5.Bh6 Ke5 6.Bf4#
0:12	7/11	Mate06	1896862		1.Kf8 d5 2.exd5 Kf5 3.Kf7 Ke5 4.Kg6
					Kd6 5.Bh6 Ke5 6.Bf4#

jm



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