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Subject: I Guess We May Never Know How Many Moves To Shortest Mate?

Author: Daniel Jackson

Date: 14:44:57 09/20/04

Go up one level in this thread


On September 20, 2004 at 12:59:55, Dann Corbit wrote:

>On September 18, 2004 at 15:59:24, Daniel Jackson wrote:
>
>>[D]rnbqkbnr/qqqqqqqq/8/8/8/8/QQQQQQQQ/RNBQKBNR w
>>
>>If someone has superfast hardware and a program that excels at mates please run
>>this position, to find the shortest mate....whomever moves first will win.
>>
>>Daniel
>
>Shredder 7.04 after 100,000 seconds:
>
>Analysis from E:\explode.epd
>9/18/2004 11:04:41 PM Level: 100000 Seconds
>Analyzing engine: Shredder 7.04 UCI
>
>1)
>    Avoid move:
>    Best move (Shredder 7.04 UCI): Qa2xf7
>    Not found in: 27:46:40
>   illegal command
>     2/4	03:08	  84.254.222	448.272	+10.15	Qf2xf7+ Qg7xf7 Qh2xc7 Qb7xc7 Qd2xd7+
>Qc7xd7 Rh1xh7 Qa7xa2 Rh7xf7 Qa2xf7 Ra1xa8
>     3/32	03:10	  85.070.720	448.146	+10.15	Qf2xf7+ Qg7xf7 Qh2xc7 Qb7xc7 Qd2xd7+
>Qc7xd7 Rh1xh7 Qa7xa2 Rh7xf7 Qa2xf7 Ra1xa8
>     4/35	10:52	 284.248.110	436.109	+9.97	Qf2xf7+ Qg7xf7 Qh2xc7 Qb7xc7 Qd2xd7+
>Qd8xd7 Rh1xh7
>     5/36-	22:20	 579.205.924	432.152	+9.72	Qf2xf7+ Qg7xf7 Qh2xc7 Qb7xg2 Qc7xd7+
>Nb8xd7 Qe2xe7+ Bf8xe7 Qd2xg2 Be7h4+
>     5/36	23:20	 603.628.888	431.206	+9.30	Qf2xf7+ Qg7xf7 Qc2xc7 Qd8xc7 Qh2xc7
>Qd7xc7 Rh1xh7 Qf7xh7 Qg2xb7 Qc7xb7 Qb2xb7 Bc8xb7
>     5/38+	26:29	 679.501.672	427.552	+9.31	Qa2xf7+ Qg7xf7 Ra1xa7 Qc7xc2 Qd1xc2
>Qh7xc2 Qf2xf7+ Ke8xf7 Qh2f4+ Qe7f6 Qb2xc2 Qb7xg2 Bf1xg2
>     5/38+	26:34	 681.489.044	427.492	+9.66	Qa2xf7+ Qg7xf7 Ra1xa7 Qc7xc2 Qd1xc2
>Qh7xc2 Qf2xf7+ Ke8xf7 Qh2f4+ Qc2f5
>     5/38	28:10	 720.051.153	425.924	+10.02	Qa2xf7+ Qg7xf7 Ra1xa7 Qc7xc2 Qd1xc2
>Qd7xd2+ Qc2xd2 Qb7xa7
>     6/37	42:00	1.049.164.383	416.293	+9.96	Qa2xf7+ Qg7xf7 Ra1xa7 Qc7xc2 Qd1xc2
>Qf7xf2+ Qg2xf2 Qh7xc2 Ra7xb7
>     7/37+	1:06:31	1.624.364.439	407.005	+10.21	Qa2xf7+ Qg7xf7 Ra1xa7 Qc7xc2
>Qd1xc2 Qf7xf2+ Qg2xf2 Qb7xa7 Qf2xa7 Qh7xc2
>     7/42	1:47:23	2.566.186,666	398.290	+10.49	Qa2xf7+ Qg7xf7 Ra1xa7 Qc7xc2
>Qd1xc2 Qf7xf2+ Qg2xf2 Qh7xc2 Qd2xc2 Qe7xe2+ Bf1xe2 Qb7xa7 Qh2xh8
>     8/39+	7:34:33	10.525.224,214	385.924	+10.74	Qa2xf7+ Qg7xf7 Ra1xa7 Qc7xc2
>Qd1xc2 Qf7xf2+ Qg2xf2 Qh7xc2 Qd2xc2 Qb7xb2 Bc1xb2 Ra8xa7 Qh2xh8
>     8/40	7:53:14	10.939.686,936	385.281	+11.03	Qa2xf7+ Qg7xf7 Ra1xa7 Qc7xc2
>Qd1xc2 Qd7xd2+ Nb1xd2 Qb7xa7 Qh2xh7 Rh8xh7 Rh1xh7
>     9/43	11:39:24	15.815.946,896	376.886	+10.89	Qa2xf7+ Qg7xf7 Ra1xa7 Qc7xh2
>Rh1xh2 Qb7xg2 Qf2xg2 Qh7xc2 Ra7xd7
>    10/49	25:05:43	34.460.750,880	381.441	+10.78	Qa2xf7+ Qg7xf7 Ra1xa7 Qc7xh2
>Rh1xh2 Qb7xg2 Rh2xg2
>   9/20/2004 2:51:51 AM, Time for this analysis: 03:46:44, Rated time: 27:46:40
>
>0 of 1 matching moves
>9/20/2004 2:51:52 AM, Total time: 3:47:10 AM
>Rated time: 27:46:40 = 100000 Seconds

Thanks for the effort!



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