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Subject: Re: shredder9 see mate announcments

Author: John Merlino

Date: 16:50:28 03/03/05

Go up one level in this thread


On March 03, 2005 at 18:54:38, Uri Blass wrote:

>New game - Yace 0.99.87, Blitz:5'
>3r4/p5pp/1q1k4/p2nR3/8/3P1Q1P/PPP2RP1/6K1 w - - 0 1
>
>Analysis by Shredder 9 UCI:
>
>25.Qxd5+
>  +-  (23.19)   Depth: 1/2   00:00:00
>25.Qxd5+
>  +-  (23.94)   Depth: 1/2   00:00:00
>25.Qxd5+ Kc7
>  +-  (23.94)   Depth: 1/2   00:00:00
>25.Qxd5+ Kc7 26.Qc4+ Qc5
>  +-  (23.94)   Depth: 2/4   00:00:00
>25.Qxd5+ Kc7 26.Qc4+ Qc5
>  +-  (23.94)   Depth: 3/4   00:00:00
>25.Qxd5+ Kc7 26.Qc4+ Qc5 27.Qxc5+
>  +-  (23.94)   Depth: 4/9   00:00:00
>25.Qxd5+ Kc7 26.Qc4+ Qc6 27.Rc5 Kb8 28.Rxc6
>  +-  (23.94)   Depth: 5/18   00:00:00
>25.Qxd5+ Kc7
>  +-  (23.69)   Depth: 6/18   00:00:00  2kN
>25.Qxd5+ Kc7
>  +-  (23.19)   Depth: 6/18   00:00:00  2kN
>25.Qxd5+ Kc7 26.Qc4+ Qc6
>  +-  (23.19)   Depth: 6/26   00:00:00  9kN
>25.Qxd5+ Kc7
>  +-  (23.44)   Depth: 7/26   00:00:00  11kN
>25.Qxd5+ Kc7
>  +-  (23.94)   Depth: 7/26   00:00:00  11kN
>25.Qxd5+ Kc7 26.Qc4+ Qc6 27.Rc5 Kb8 28.Rxc6
>  +-  (23.94)   Depth: 7/26   00:00:00  13kN
>25.Qxd5+ Kc7
>  +-  (23.69)   Depth: 8/26   00:00:00  23kN
>25.Qxd5+ Kc7
>  +-  (23.19)   Depth: 8/26   00:00:00  30kN
>25.Qxd5+ Kc7 26.Qc4+ Qc6 27.Rc5 Kb8
>  +-  (23.19)   Depth: 8/26   00:00:00  32kN
>25.Qxd5+ Kc7
>  +-  (23.44)   Depth: 9/26   00:00:00  40kN
>25.Qxd5+ Kc7
>  +-  (23.94)   Depth: 9/26   00:00:00  41kN
>25.Qxd5+ Kc7 26.Qc4+ Qc6 27.Rc5 Qxc5 28.Qxc5+ Kb8
>  +-  (#152)   Depth: 9/30   00:00:00  85kN
>25.Qxd5+ Kc7 26.Qc4+ Qc6 27.Rc5 Kb8 28.Rxc6 Re8 29.Rb6+ axb6 30.Rf7 Re1+ 31.Kf2
>Re2+ 32.Kxe2 a4
>  +-  (#152)   Depth: 10/30   00:00:00  93kN
>25.Qxd5+ Kc7 26.Qc4+ Qc6 27.Rc5 Kb8 28.Rxc6 Re8 29.Rb6+ axb6 30.Rf7 Re1+ 31.Kf2
>Re2+ 32.Kxe2 a4
>  +-  (#152)   Depth: 11/30   00:00:01  96kN
>25.Qxd5+ Kc7 26.Qc4+ Qc6 27.Rc5 Kb8 28.Rxc6 Re8 29.Rb6+ axb6 30.Rf7 Re1+ 31.Kf2
>Re2+ 32.Kxe2 a4
>  +-  (#152)   Depth: 12/30   00:00:02  106kN
>25.Qxd5+ Kc7 26.Qc4+ Kb7 27.Rb5 Rd6 28.Rxb6+ Kxb6 29.Rf8 Kb7 30.Qe4+ Kc7 31.Rf7+
>Rd7 32.Qe5+ Kc6 33.Qe6+ Rd6
>  +-  (#154)   Depth: 13/40   00:00:04  1775kN
>25.Qxd5+ Kc7 26.Qc4+ Kd7 27.Rd5+ Qd6 28.Qb5+ Ke6 29.Rxd6+ Kxd6 30.c4 Ke6 31.Qc6+
>Ke7 32.Qe4+ Kd6 33.Qd5+ Kc7
>  +-  (#166)   Depth: 14/43   00:01:56  66538kN
>25.Qxd5+ Kc7 26.Qc4+ Kb8 27.Rb5 Rxd3 28.Qxd3 Kb7 29.Rxb6+ axb6 30.Qxh7 b5
>31.Qxg7+ Kc6 32.Rf8 Kd6 33.Rf6+
>  +-  (#151)   Depth: 15/43   00:02:10  75374kN
>25.Qxd5+ Kc7 26.Qc4+ Kb8 27.Rb5 Rc8 28.Rxb6+ axb6 29.Qe4 Ka7 30.Rf7+ Ka6 31.Rxg7
>h6 32.Kh2 Rxc2 33.a4 Rxg2+ 34.Kxg2
>  +-  (#153)   Depth: 16/46   00:03:00  107742kN
>25.Qxd5+ Kc7 26.Qc4+ Kb8 27.Rb5 Rc8 28.Rxb6+ axb6 29.Qe4 Ka7 30.Rf7+ Ka6 31.Rxg7
>Rxc2 32.a4 Rxg2+ 33.Rxg2 h5
>  +-  (#152)   Depth: 17/46   00:04:33  165123kN
>25.Qxd5+ Kc7 26.Qc4+ Kb8 27.Rb5 Rc8 28.Rxb6+ axb6 29.Qe4 g5 30.Qxh7 g4 31.hxg4
>Re8 32.Rf7 Re1+ 33.Kf2 Re2+ 34.Kxe2
>  +-  (#151)   Depth: 18/46   00:04:35  166385kN
>
>(,  04.03.2005)

FYI, the position is a mate in no more than 11 moves. Here is output from CM9_R1
on an AMD 2500:

Time	Depth	Score	Positions	Moves
0:00	1/3	12.54	1937		1.Rxd5+ Kc7 2.Rxd8 Kxd8 3.Qf8+
					Kc7 4.Qxg7+ Kc6
0:00	1/3	16.02	5663		1.Qxd5+ Kc7 2.Qc4+ Kb8 3.Rb5 Rd7
					4.Qg8+ Kc7 5.Rxb6 axb6 6.Qxh7
0:00	1/4	15.76	9887		1.Qxd5+ Kc7 2.Qc4+ Kb8 3.Rb5 Re8
					4.Rxb6+ axb6 5.Rf7
0:00	1/5	15.76	24030		1.Qxd5+ Kc7 2.Qc4+ Kb8 3.Rb5 Re8
					4.Rxb6+ axb6 5.Rf7
0:02	1/6	16.54	74475		1.Qxd5+ Kc7 2.Qc4+ Kb8 3.Rb5 Rc8
					4.Rxb6+ axb6 5.Qe6 Kb7 6.Rf7+ Rc7
					7.Rxc7+ Kxc7
0:03	1/7	17.01	162342		1.Qxd5+ Kc7 2.Qc4+ Kb8 3.Rb5 Rc8
					4.Rxb6+ axb6 5.Qe6 Kb7 6.Rf7+ Rc7
					7.Qe4+ Kb8 8.Rxc7 Kxc7 9.Qxh7
0:04	1/8	18.25	429353		1.Qxd5+ Kc7 2.Qc4+ Kb8 3.Rb5 Rc8
					4.Rxb6+ axb6 5.Qe6 Rd8 6.Qxb6+
					Kc8 7.Qa6+ Kb8 8.Qxa5
0:08	1/9	23.76	1788701		1.Qxd5+ Kc7 2.Qc4+ Kb8 3.Rb5 Rc8
					4.Rxb6+ axb6 5.Qd5 Rc7 6.Rf8+ Rc8
					7.Rf7 Rc7 8.Qd8+ Kb7 9.Rxc7+ Ka6
					10.Qc8+ Kb5 11.Rxg7
0:17	1/10	Mate12	4717618		1.Qxd5+ Kc7 2.Qc4+ Kb8 3.Rb5 Rc8
					4.Rxb6+ axb6 5.Qd5 a4 6.Rf7 Rc7
					7.Qd8+ Kb7 8.Qxc7+ Ka6 9.Qc4+ b5
					10.Qe6+ Ka5 11.Ra7+ Kb4 12.Qe7#
0:43	1/11	Mate11	13966085	1.Qxd5+ Kc7 2.Qc4+ Kb8 3.Rb5 Rc8
					4.Rxb6+ axb6 5.Qd5 a4 6.Rf7 Rc7
					7.Qd8+ Kb7 8.Qxc7+ Ka6 9.Qb7+ Kb5
					10.Rf5+ Kb4 11.Qxb6#

jm



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