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Subject: Re: Test Postion: Adams-Hydra Any engine find 27....f5?

Author: John Merlino

Date: 15:26:44 06/25/05

Go up one level in this thread


On June 25, 2005 at 17:09:43, Darrel Briley wrote:

>
>[D} 2r5/4ppkp/3p2p1/R2P4/2PR4/6P1/1r3P1P/5K2 b - -
>
>Engine: Shredder 9 UCI (512 MB)
>by Stefan Meyer-Kahlen
>
>12/29  0:01   +0.88    1...Rc7 2.Ra4 Rcb7 (974.498) 617
>
>13/28  0:02   +0.81    1...Rc7 2.Ra8 Rc2 3.Re8 Rb7 4.h4 Rbb2
>                       5.Rf4 Re2 6.Kg2 h5 7.Ra8 Rec2 (1.725.083) 645
>
>14/24  0:03   +0.87    1...Rc7 2.Ra8 Rc2 3.Re8 Rb7 4.h4 Rbb2
>                       5.Rf4 Re2 6.Kg2 h5 7.Ra8 Rbc2 8.Rb8 (2.385.170) 660
>
>15/30  0:06   +1.00    1...Rc7 2.Ra1 Rc2 3.Re1 h5 (4.385.616) 671
>
>16/29  0:10   +0.79    1...Rc7 2.Ra4 Rcb7 3.h4 Rc2 4.Rf4 h6
>                       5.Kg2 Rbb2 6.Ra7 Re2 7.Kh3 (6.994.671) 688
>
>16/37  0:12   +0.80++  1...Rc2 (8.572.952) 692
>
>16/37  0:13   +1.10    1...Rc2 2.Ra7 R2xc4 3.Rxc4 Rxc4
>                       4.Rxe7 Rc5 5.Rd7 Rxd5 6.Ke1 Kf6
>                       7.Ke2 h5 8.f4 Ke6 (9.169.392) 694
>
>17/30  0:15   +1.16    1...Rc2 2.Ra7 R2xc4 3.Rxc4 Rxc4
>                       4.Rxe7 Rc5 5.Rd7 Rxd5 6.Ke2 Kf6 7.f4 Ke6
>                       8.Ra7 Rc5 9.Kd3 Rc1 (10.791.596) 700
>
>18/36  0:22   +1.07    1...Rc2 2.Re4 Rc7 3.Ra4 Rb7 4.h4 Rbb2
>                       5.Rf4 h6 6.Kg2 g5 7.Rf3 Re2 8.hxg5 (16.297.357) 716
>
>18/37  0:27   +1.08++  1...Rb4 (20.002.098) 719
>
>18/37  0:29   +1.18    1...Rb4 2.Ra7 Rcxc4 3.Rxc4 Rxc4
>                       4.Rxe7 Rc5 5.Ke2 Kf6 6.Ra7 (21.638.270) 721
>
>19/33  0:34   +1.23    1...Rb4 2.Ra7 Rcxc4 3.Rxc4 Rxc4
>                       4.Rxe7 Rc5 5.Rd7 Rxd5 6.Ke2 (24.700.062) 724
>
>20/36  0:48   +1.22    1...Rb4 2.Ra7 Rcxc4 3.Rxc4 Rxc4
>                       4.Rxe7 Rc5 5.Ke2 Rxd5 6.Ra7 Kf6
>                       7.Ke3 Re5+ 8.Kd3 Ke6 9.h3 h5 10.f4 Re1
>                       11.Kd4 f6 (35.177.877) 730
>
>21/34  1:12   +1.25    1...Rb4 2.Ra7 Rcxc4 3.Rxc4 Rxc4
>                       4.Rxe7 Rc5 5.Ke2 Rxd5 6.Ra7 Kf6 7.f3 Rh5
>                       8.h4 Re5+ 9.Kd3 h5 10.g4 Re7 11.g5+ Ke6
>                       12.Ra5 Re8 (53.033.726) 731
>
>22/36  1:45   +1.28    1...Rb4 2.Ra7 Rcxc4 3.Rxc4 Rxc4
>                       4.Rxe7 Rc5 5.Ke2 Rxd5 6.Rb7 Kf6
>                       7.Rxf7+ (76.897.180) 726
>
>23/36  2:43   +1.33    1...Rb4 2.Ra7 Rcxc4 3.Rxc4 Rxc4
>                       4.Rxe7 Rc5 5.Ke2 Rxd5 6.Ra7 Kf6 7.f3 Ke6
>                       8.h4 (118.111.525) 722
>
>24/40  4:31   +1.36    1...Rb4 2.Ra7 Rcxc4 3.Rxc4 Rxc4
>                       4.Rxe7 Rc5 5.Ke2 Rxd5 6.Rd7 Kf6
>                       7.Rxd6+ (192.325.666) 707
>
>25/42  7:38   +1.38    1...Rb4 2.Ra7 Rcxc4 3.Rxc4 Rxc4
>                       4.Rxe7 Rc5 5.Ke2 Rxd5 6.Rb7 Kf6
>                       7.Rxf7+ (316.117.005) 689
>
>26/44  13:31  +1.40    1...Rb4 2.Ra7 Rcxc4 3.Rxc4 Rxc4
>                       4.Rxe7 Rc5 5.Ke2 Rxd5 6.Ra7 Kf6 7.h4 h5
>                       8.Rxf7+ (540.642.147) 666
>
>best move: Rb2-b4 time: 13:32.063 min  n/s: 665.946  CPU 95.8%   n/s(1CPU):
>695.141  nodes: 540.748.725 TB: 2.006

CM9_R1 on a P4-2.4 agrees with Shredder and chooses Rb4:

Time	Depth	Score	Positions	Moves
0:00	1/6	-0.43	36304		1...Rc7 2.Ra1 Rc2 3.Re1 Kf8 4.Rh4
					h5
0:00	1/6	-0.79	52521		1...Rb4 2.Ra7 Rcxc4 3.Rxc4 Rxc4
					4.Rxe7 Rc5 5.Rd7 Rxd5
0:00	1/7	-0.79	67223		1...Rb4 2.Ra7 Rcxc4 3.Rxc4 Rxc4
					4.Rxe7 Rc5 5.Rd7 Rxd5
0:00	1/8	-0.79	110621		1...Rb4 2.Re4 Rc7 3.Ke2 Rbxc4 4.Rxc4
					Rxc4 5.Kd3 Rc1 6.Ra7 Kf6
0:00	1/9	-0.84	204000		1...Rb4 2.Re4 Rc7 3.Ke2 Rbxc4 4.Rxc4
					Rxc4 5.Kd3 Rc1 6.Ra7 Rd1+ 7.Kc4 Kf6
0:01	1/10	-0.84	360631		1...Rb4 2.Re4 Rc7 3.Ke2 Rbxc4 4.Rxc4
					Rxc4 5.Kd3 Rc1 6.Ra7 Kf6 7.Kd4 e6
0:03	1/11	-0.86	892848		1...Rb4 2.Re4 Rc7 3.Ke2 Rbxc4 4.Rxc4
					Rxc4 5.Kd3 Rc1 6.Ra7 Rd1+ 7.Kc4
					Kf6 8.Rb7 Rd2
0:06	2/12	-0.89	1851331		1...Rb4 2.Re4 Rc7 3.Ke2 Rbxc4 4.Rxc4
					Rxc4 5.Kd3 Rc1 6.Ra7 Kf6 7.Rd7
					Rd1+ 8.Ke4 Re1+ 9.Kd4 Kf5
0:23	3/13	-0.95	6562937		1...Rb4 2.Re4 Rc7 3.Ke2 Rbxc4 4.Rxc4
					Rxc4 5.Kd3 Rc1 6.f4 e6 7.dxe6 fxe6
					8.Ra7+ Kh6 9.Re7 Rd1+ 10.Ke4
0:51	4/14	-0.94	14931105	1...Rb4 2.Re4 Rc7 3.Ke2 Rbxc4 4.Rxc4
					Rxc4 5.Kd3 Rb4 6.Ra7 Kf6 7.Rd7
					Rb2 8.Ke3 h6 9.Rc7 e6
2:47	5/15	-0.94	48517079	1...Rb4 2.Re4 Rc7 3.Ke2 Rbxc4 4.Rxc4
					Rxc4 5.Kd3 Rc1 6.h4 Kf6 7.Ra6 Rf1
					8.Ke3 Ke5 9.Ra7 Re1+ 10.Kd2
14:16	6/16	-0.98	235980559	1...Rb4 2.Re4 Rc7 3.Ke2 Rbxc4 4.Rxc4
					Rxc4 5.Kd3 Rc1 6.Kd2 Rb1 7.Ra3
					Rb2+ 8.Ke3 Kf6 9.Rd3 Ke5 10.f4+
					Kf5 11.h3 h5

jm



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