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Subject: Re: Easy Mate

Author: Dan Ellwein

Date: 18:12:02 03/21/04

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On March 21, 2004 at 18:31:31, John Merlino wrote:

>On March 21, 2004 at 08:39:38, Rex wrote:
>
>>Not sure how programs see this...but how soon does your favorite find the mate?
>>
>>[D]r4rk1/p2nqppp/2p2n2/3p4/pP3P2/2Pp1b2/P2N1KPP/R1B3QR b - - 1 1
>
>CM9000, SKR personality on a P4-2.4, finds Mate in 13 in one second, Mate in 12
>a few seconds later, Mate in 10 in just under one minute, and Mate in 9 in just
>over four minutes:
>
>Time	Depth	Score	Positions	Moves
>0:00	1/3	-12.88	6288		1...Qe2+ 2.Kg3 Nh5+ 3.Kh3 Bxg2+
>					4.Kh4 Bxh1 5.Qxh1 Nxf4
>0:00	1/4	-12.43	20516		1...Qe2+ 2.Kg3 Nh5+ 3.Kh3 Bxg2+
>					4.Kh4 Ndf6 5.Nf3 Qxf3
>0:00	1/5	-17.32	98221		1...Qe2+ 2.Kg3 Nh5+ 3.Kh3 Bxg2+
>					4.Qxg2 Nxf4+ 5.Kg3 Qxg2+ 6.Kxf4
>					Qxh1 7.Nf3
>0:01	1/6	-Mate13	258265		1...Qe2+ 2.Kg3 Nh5+ 3.Kh3 Nxf4+
>					4.Kg3 Nh5+ 5.Kh3 Bg4+ 6.Kh4 g5+
>					7.Kxg5 h6+ 8.Kxh6 Qe6+ 9.Kg5 Qf6+
>					10.Kxg4 Ne5+ 11.Kh3 Nf4+ 12.Kg3
>					Ne2+ 13.Kh3 Qh6#
>0:05	1/7	-Mate12	1037697		1...Qe2+ 2.Kg3 Nh5+ 3.Kh4 Qe7+
>					4.Kh3 Nxf4+ 5.Kg3 Nh5+ 6.Kh3 Bg4+
>					7.Kxg4 Ndf6+ 8.Kh4 g5+ 9.Kh3 g4+
>					10.Kh4 Ne4+ 11.Kxg4 Qg5+ 12.Kh3
>					Nf4#
>0:16	1/8	-Mate12	2955069		1...Qe2+ 2.Kg3 Nh5+ 3.Kh4 Qe7+
>					4.Kh3 Nxf4+ 5.Kg3 Nh5+ 6.Kh3 Bg4+
>					7.Kxg4 Ndf6+ 8.Kh4 g5+ 9.Kh3 g4+
>					10.Kh4 Ne4+ 11.Kxg4 Qg5+ 12.Kh3
>					Nf4#
>0:54	1/9	-Mate10	9173689		1...Qe2+ 2.Kg3 Bxg2 3.Qxg2 Nh5+
>					4.Kh4 Qxg2 5.Nf1 f5 6.h3 Qf2+ 7.Kxh5
>					Nf6+ 8.Kg5 Ne4+ 9.Kh5 g6+ 10.Kh6
>					Qh4#
>1:50	1/10	-Mate10	18406327	1...Qe2+ 2.Kg3 Bxg2 3.Qe1 Ne4+
>					4.Kh4 Ne5 5.Qg3 Ng6+ 6.Qxg6 hxg6
>					7.Nxe4 Qh5+ 8.Kg3 Qf3+ 9.Kh4 Qh3+
>					10.Kg5 Qh5#
>4:05	1/11	-Mate09	43719588	1...Qe2+ 2.Kg3 Bxg2 3.Qe1 Ne4+
>					4.Kh4 Ne5 5.Qg3 g6 6.Qg5 Bxh1 7.Nf3
>					Nxf3+ 8.Kh3 Qxh2+ 9.Kg4 Qg3#
>
>jm

hi John

same with OffSet...

P3/850 64M hash

Time	Depth	Score	Positions	Moves
----	----	----	----		----
0:00	1/3	-11.79	4663		1...Qe2+ 2.Kg3 Nh5+ 3.Kh3 Bxg2+
					4.Kh4 Bxh1
0:00	1/4	-11.65	16455		1...Qe2+ 2.Kg3 Nh5+ 3.Kh3 Bxg2+
					4.Kh4 Nxf4 5.Kg3 Nh5+ 6.Kh4 Bxh1
					7.Qxh1
0:00	1/5	-16.32	76631		1...Qe2+ 2.Kg3 Nh5+ 3.Kh3 Bxg2+
					4.Kh4 f5 5.Nf3 Qxf3 6.Qxg2 Qxg2
0:02	1/6	-Mate13	281005		1...Qe2+ 2.Kg3 Nh5+ 3.Kh3 Nxf4+
					4.Kg3 Nh5+ 5.Kh3 Bg4+ 6.Kh4 g5+
					7.Kxg5 h6+ 8.Kxh6 Qe6+ 9.Kg5 Qf6+
					10.Kxg4 Ne5+ 11.Kh3 Nf4+ 12.Kg3
					Ne2+ 13.Kh3 Qh6#
0:07	1/7	-Mate12	1092918		1...Qe2+ 2.Kg3 Nh5+ 3.Kh4 Qe7+
					4.Kh3 Nxf4+ 5.Kg3 Nh5+ 6.Kh3 Bg4+
					7.Kxg4 Ndf6+ 8.Kh4 g5+ 9.Kh3 Nf4+
					10.Kg3 N6h5+ 11.Kg4 f5+ 12.Kf3 Qe2#
0:19	1/8	-Mate12	2985561		1...Qe2+ 2.Kg3 Nh5+ 3.Kh4 Qe7+
					4.Kh3 Nxf4+ 5.Kg3 Nh5+ 6.Kh3 Bg4+
					7.Kxg4 Ndf6+ 8.Kh4 g5+ 9.Kh3 Nf4+
					10.Kg3 N6h5+ 11.Kg4 f5+ 12.Kf3 Qe2#
1:00	1/9	-Mate10	8931350		1...Qe2+ 2.Kg3 Bxg2 3.Qxg2 Nh5+
					4.Kh4 Qxg2 5.Nf1 f5 6.h3 Qf2+ 7.Kxh5
					Rf6 8.Ng3 Rh6+ 9.Kg5 Qxg3+ 10.Kxf5
					Qg6#
2:16	1/10	-Mate10	20701497	1...Qe2+ 2.Kg3 Bxg2 3.Qe1 Ne4+
					4.Kh4 Ne5 5.Qg3 Ng6+ 6.Qxg6 hxg6
					7.Nxe4 Qh5+ 8.Kg3 Qf3+ 9.Kh4 Qh3+
					10.Kg5 Qh5#
4:02	1/11	-Mate09	36484609	1...Qe2+ 2.Kg3 Bxg2 3.Qe1 Ne4+
					4.Kh4 Ne5 5.Qg3 g6 6.Qg5 Bxh1 7.Nf3
					Nxf3+ 8.Kh3 Qxh2+ 9.Kg4 Qg3#
Dan




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