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Subject: Re: Mate in 15

Author: John Merlino

Date: 11:53:53 04/21/04

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On April 21, 2004 at 14:22:52, Rob Basham wrote:

>[D]7k/2p3p1/4Q2p/p3n3/2pBP2P/2P3P1/1r2q3/5RK1 w - - 0 1
>
>Junior 5...... ann. mate in 15 in about 20 sec.
>
>(850Mhz.....testing out a used laptop from eBay...:-)
>
>Lamb Chop ann. mate in 500 at 28 sec....!..:-)

CM_SKR on an AMD 2500+ finds it in less than one second:

Time	Depth	Score	Positions	Moves
0:00	1/3	0.00	5975		1.Rf8+ Kh7 2.Qg8+ Kg6 3.Qe6+ Kh7
0:00	1/4	0.00	18292		1.Rf8+ Kh7 2.Qg8+ Kg6 3.Qe6+ Kh7
0:00	1/5	0.00	37954		1.Rf8+ Kh7 2.Qg8+ Kg6 3.Qe6+ Kh7
0:00	1/6	0.00	81199		1.Rf8+ Kh7 2.Qg8+ Kg6 3.Qe6+ Kh7
0:00	1/7	Mate15	203809		1.Rf8+ Kh7 2.Qg8+ Kg6 3.Rf6+ Kxf6
					4.Qf8+ Ke6 5.Qe8+ Kd6 6.Bxe5+ Kc5
					7.Bd4+ Kd6 8.Qd8+ Ke6 9.Qd5+ Ke7
					10.Bc5+ Ke8 11.Qe6+ Kd8 12.Be7+
					Ke8 13.Bf6+ Kf8 14.Qe7+ Kg8 15.Qxg7#
0:01	1/8	Mate15	382950		1.Rf8+ Kh7 2.Qg8+ Kg6 3.Rf6+ Kxf6
					4.Qf8+ Ke6 5.Qe8+ Kd6 6.Bxe5+ Kc5
					7.Bd4+ Kd6 8.Qd8+ Ke6 9.Qd5+ Ke7
					10.Bc5+ Ke8 11.Qe6+ Kd8 12.Be7+
					Ke8 13.Bf6+ Kf8 14.Qe7+ Kg8 15.Qxg7#
0:02	1/9	Mate15	727109		1.Rf8+ Kh7 2.Qg8+ Kg6 3.Rf6+ Kxf6
					4.Qf8+ Ke6 5.Qe8+ Kd6 6.Bxe5+ Kc5
					7.Bd4+ Kd6 8.Qd8+ Ke6 9.Qd5+ Ke7
					10.Bc5+ Ke8 11.Qe6+ Kd8 12.Be7+
					Ke8 13.Bf6+ Kf8 14.Qe7+ Kg8 15.Qxg7#

jm



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