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Subject: Re: shredder9 see mate announcments

Author: Uri Blass

Date: 17:15:23 03/03/05

Go up one level in this thread


On March 03, 2005 at 19:50:28, John Merlino wrote:

>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

The human who played this position in the israeli league with the white pieces
(last board of the lowest league) practically mated in 2 moves.

25.Rxd5+ Ke6 26.Qf7#

of course Ke6 is not the best move but you cannot expect a player who does not
resign in that position to be a strong player

Uri



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