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Subject: Re: interesting posiiton

Author: John Merlino

Date: 11:30:58 01/29/06

Go up one level in this thread


On January 29, 2006 at 02:08:58, Mike Byrne wrote:

>This problem took hours to solve in the 90's.
>
>FEN: [d]7k/6p1/2P3Qp/p3q2P/8/6P1/5K2/8 w - - 0 1

CM9_R1 on a P4-2.4 needs two seconds to select the move, and 34 seconds to show
a score > +1:

Time	Depth	Score	Positions	Moves
0:00	1/4	1.22	5074		1.Qc2 Qxh5 2.Qe4 Qc5+ 3.Ke2
0:00	1/5	1.25	12341		1.Qc2 Qxh5 2.Qe4 Qc5+ 3.Kg2 Qc3
					4.Qe8+ Kh7
0:00	1/6	1.03	30937		1.Qc2 Qxh5 2.Qe4 Qf7+ 3.Qf4 Qa2+
					4.Kf3 Qb3+ 5.Qe3
0:00	1/7	0.93	78389		1.Qc2 Qxh5 2.Qe4 Qf7+ 3.Qf4 Qa2+
					4.Ke3 Qe6+ 5.Qe4 Qc8
0:00	1/7	1.04	107536		1.Kg2 a4 2.Qc2 Qd5+ 3.Kg1 Qe5 4.c7
					Qxg3+ 5.Kf1 Qh3+ 6.Ke1 Qc8
0:01	1/8	1.08	197273		1.Kg2 a4 2.Qc2 Qd5+ 3.Kf2 Qf7+
					4.Ke1 Qc7 5.Qxa4 Qxg3+ 6.Ke2 Qe5+
					7.Kf3 Qxh5+ 8.Qg4
0:01	1/9	0.54	400943		1.Kg2 a4 2.Qc2 Qd5+ 3.Kg1 Qe5 4.Kf2
					Qd4+ 5.Kf3 Qd5+ 6.Ke3 Qe5+ 7.Qe4
					Qxg3+ 8.Kd4
0:02	1/9	0.95	550950		1.Qc2 Qxh5 2.Qe4 Qf7+ 3.Kg2 Qa2+
					4.Kf1 Qa1+ 5.Ke2 Qa2+ 6.Ke1 Qa1+
					7.Kd2 Qb2+ 8.Ke3 Qc3+ 9.Kf4
0:05	1/10	0.67	1082209		1.Qc2 Qxh5 2.Qc4 Qf5+ 3.Kg2 Qc8
					4.Qb5 Qe8 5.Qa4 Qc8 6.Kf2 Qc7
0:11	2/11	0.64	2519728		1.Qc2 Qxh5 2.Qc4 Qf5+ 3.Kg2 Qc8
					4.Qb5 Qe8 5.Qa4 Qe2+ 6.Kg1 Qe5
					7.Qa3 Qc7
0:34	3/12	1.37	7390327		1.Qc2 Qxh5 2.Qc4 a4 3.Qxa4 Qh2+
					4.Kf3 Qh1+ 5.Ke3 Qe1+ 6.Kf4 Qf2+
					7.Ke5 Qxg3+ 8.Qf4 Qc3+ 9.Kd6 Qh3
1:13	4/13	1.32	15491169	1.Qc2 Qxh5 2.Qc4 Qf5+ 3.Kg2 Qc8
					4.c7 a4 5.Qc5 Kh7 6.Qa7 Qf5 7.Qb8
					Qc2+ 8.Kh3 Qf5+ 9.Kh2

jm



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