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Subject: Re: Problem......NEW SOLUTION! Mate in 4!

Author: John Merlino

Date: 10:19:24 10/08/05

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On October 08, 2005 at 13:17:07, John Merlino wrote:

>On October 07, 2005 at 23:07:51, Rob Basham wrote:
>
>>[D]8/6R1/1K6/2P5/8/4k3/Q7/8 w - - 0 1
>>
>>I find about 8 or 9 different mate solutions..
>>
>>Anyone here find more than 9 solutions?
>>
>>Or, just how many solutions are there that end in a mate?
>>
>>Thanks!
>>
>>Rob
>
>All 43 of White's possible moves leads to a mate between 5-8 moves. Even after
>1.Qe2+ Kxe2, for example, White still has a Mate in 7 with either 2.c6 or
>2.Re7+.
>
>jm

Shockingly enough, this is actually a Mate in 4 that takes The King almost 30
seconds to find on a P4-2.4.

1.Kb5! This is the only move that leads to Mate in 4.

Time	Depth	Score	Positions	Moves
0:00	1/4	Mate05	18153		1.Qe6+ Kd4 2.Rd7+ Kc3 3.Qe3+ Kb2
					4.Rd2+ Ka1 5.Qg1#
0:00	1/5	Mate05	25777		1.Qe6+ Kd4 2.Rd7+ Kc3 3.Qe3+ Kb2
					4.Rd2+ Ka1 5.Qg1#
0:00	1/6	Mate05	48363		1.Qe6+ Kd4 2.Rd7+ Kc3 3.Qe3+ Kb2
					4.Rd2+ Ka1 5.Qg1#
0:00	1/7	Mate05	89236		1.Qe6+ Kd4 2.Rd7+ Kc3 3.Qe3+ Kb2
					4.Rd2+ Ka1 5.Qg1#
0:00	1/8	Mate05	179963		1.Qe6+ Kd4 2.Rd7+ Kc3 3.Qe3+ Kb2
					4.Rd2+ Ka1 5.Qg1#
0:00	2/9	Mate05	362348		1.Qe6+ Kd4 2.Rd7+ Kc3 3.Qe3+ Kb2
					4.Rd2+ Ka1 5.Qg1#
0:02	3/10	Mate05	1419970		1.Qe6+ Kd4 2.Rd7+ Kc3 3.Qe3+ Kb2
					4.Rd2+ Ka1 5.Qg1#
0:05	4/11	Mate05	3253726		1.Qe6+ Kd4 2.Rd7+ Kc3 3.Qe3+ Kb2
					4.Rd2+ Ka1 5.Qg1#
0:13	5/12	Mate05	7775460		1.Qe6+ Kd4 2.Rd7+ Kc3 3.Qe3+ Kb2
					4.Rd2+ Ka1 5.Qg1#
0:25	6/13	Mate05	14572322	1.Qe6+ Kd4 2.Rd7+ Kc3 3.Qe3+ Kb2
					4.Rd2+ Ka1 5.Qg1#
0:29	6/13	Mate04	16857645	1.Kb5 Ke4 2.Qf2 Kd3 3.Rg4 Kc3 4.Rg3#

0:30	7/14	Mate04	16932111	1.Kb5 Ke4 2.Qf2 Kd3 3.Rg4 Kc3 4.Rg3#

jm



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