Author: Ingo Bauer
Date: 08:09:54 02/06/05
Go up one level in this thread
>Maybe the position after Rg2 is a nice testposition.
>
>How long for your prog to see that white is lost:
>
>[D]8/4K3/p2p4/3k4/1p6/2p5/P5R1/8 b - -
Shredder 8 and Shredder 9 on the same hardware. Maybe someone is interested.
Engine: Shredder 8 (256 MB)
by Stefan Meyer-Kahlen
14/27 0:01 -0.01 50...Kc5 51.Ke6 d5 52.Ke5 Kc4
53.Rg4+ Kd3 54.Rd4+ Ke3 55.Kxd5 c2
56.Rc4 Kd2 57.Rd4+ Kc3 58.Rc4+ Kb2
59.Rxb4+ Kxa2 (1.081.023) 549
14/27 0:05 0.00++ 50...a5 51.Kd7 a4 52.Rg3 Kc4 53.Kxd6 b3
54.Rg4+ Kb5 55.Rg5+ Kb4 56.Rg1 b2
57.Rc1 bxc1Q (2.339.992) 462
14/27 0:06 0.00 50...a5 51.Rg5+ Kd4 52.Kxd6 c2
53.Rc5 Kd3 54.Ke5 Kd2 55.Rd5+ Ke2
56.Rc5 Kd1 57.Rd5+ Ke1 58.Rc5 Kd1
59.Rd5+ Ke1 60.Rc5 Kd1 61.Rd5+ (3.014.253) 473
15/28 0:08 0.00 50...a5 51.Rg5+ Kd4 52.Kxd6 c2
53.Rc5 Kd3 54.Ke5 Kd2 55.Rd5+ Ke2
56.Rc5 Kd1 57.Rd5+ Ke1 58.Rc5 Kd1
59.Rd5+ Ke1 60.Rc5 Kd1 61.Rd5+ (3.617.412) 450
16/29 0:10 0.00 50...a5 51.Rg5+ Kd4 52.Kxd6 c2
53.Rc5 Kd3 54.Rd5+ Ke3 55.Rc5 Kd2
56.Rd5+ Ke2 57.Rc5 Kd2 58.Rd5+ Ke2
59.Rc5 Kd2 60.Rd5+ (4.241.432) 388
17/29 0:19 0.00 50...a5 51.Rg5+ Kd4 52.Kxd6 c2
53.Rc5 Kd3 54.Rd5+ Ke3 55.Rc5 Kd2
56.Rd5+ Ke2 57.Rc5 Kd2 58.Rd5+ Ke2
59.Rc5 Kd2 60.Rd5+ (5.958.206) 310
18/35 0:40 +0.25++ 50...a5 51.Rg5+ Kc6 52.Kf6 a4 53.Rg4 Kc5
54.Kf5 b3 55.Rxa4 c2 56.Ra5+ Kb4
57.Rd5 c1Q 58.Rd4+ Ka3 59.Ra4+ Kxa4
60.axb3+ Kxb3 61.Ke4 (12.533.341) 306
18/35 1:04 +0.70 50...a5 51.Rg5+ Kc6 52.Rg1 a4 53.Rc1 Kb5
54.Ke6 Kc4 55.a3 b3 56.Rd1 (23.439.491) 365
19/35 1:38 +0.95++ 50...a5 51.Rg5+ Kc6 52.Rg1 a4 53.Rc1 Kb5
54.Ke6 Kc4 55.a3 b3 56.Rd1 (42.456.071) 429
19/36 1:45 +0.95 50...a5 51.Rg5+ Kc6 52.Rg1 a4 53.Rc1 Kb5
54.a3 Kc4 55.axb4 a3 (45.560.999) 431
20/37 2:43 +1.10 50...a5 51.Rg5+ Kc6 52.Rg1 a4 53.Rb1 b3
54.axb3 c2 55.Kf6 (77.180.280) 472
21/43 4:53 +1.35++ 50...a5 51.Rg5+ Kc6 52.Rg1 Kc5
53.Rc1 d5 54.Kd7 d4 55.Kc8 (159.535.980) 542
best move: a6-a5 time: 5:07.594 min n/s: 555.388 CPU 65.7% n/s(1CPU):
845.339 nodes: 170.834.184 TB: 1.348.830
Engine: Shredder 9 UCI (256 MB)
by Stefan Meyer-Kahlen
13/25 0:01 +0.75 50...Kc5 51.Kd7 d5 52.Rg5 (1.334.899) 798
14/25 0:01 +0.50-- 50...Kc5 51.Kd7 (1.578.089) 795
14/25 0:02 0.00-- 50...Kc5 51.Kd7 (1.588.513) 794
14/25 0:02 -0.03 50...Kc5 51.Ke6 d5 52.Ke5 Kc4
53.Rg4+ Kd3 54.Kxd5 c2 55.Rd4+ Kc3
56.Rc4+ Kd2 57.Rd4+ (1.661.893) 782
14/27 0:05 -0.02++ 50...a5 (3.118.350) 612
14/29 0:06 -0.01 50...a5 51.Rg5+ Kc4 52.Rxa5 c2
53.Kxd6 b3 54.Rc5+ Kb4 55.axb3 (4.340.505) 635
15/31 0:08 -0.01 50...a5 51.Rg5+ Kc4 52.Rxa5 c2
53.Kxd6 b3 54.Rc5+ Kb4 55.axb3 (5.361.751) 644
16/31 0:11 0.00 50...a5 51.Rg5+ Kd4 52.Kxd6 (8.266.696) 696
17/33 0:14 0.00 50...a5 51.Rg5+ Kd4 52.Kxd6 a4
53.Rg4+ Kd3 54.Rg3+ Kd2 55.Kc5 c2
56.Rg2+ Kc3 57.Rxc2+ Kxc2 58.Kxb4 a3
59.Kxa3 Kc3 60.Ka4 Kc4 61.a3 Kc5
62.Kb3 (9.973.586) 676
18/37 0:30 +0.25++ 50...a5 51.Rg5+ (22.891.058) 742
18/37 0:44 +0.75++ 50...a5 51.Rg5+ (37.088.503) 828
18/37 1:12 +1.84 50...a5 51.Rg5+ Kc6 52.Rg4 d5 53.Kd8 Kb5 (62.842.612) 872
19/36 1:44 +2.07 50...a5 51.Rg5+ Kc6 52.Rg8 Kc5 (93.755.906) 896
20/37 2:35 +2.32++ 50...a5 51.Rg5+ (140.408.953) 903
20/38 3:39 +2.80 50...a5 51.Rg5+ Kc6 52.Rg8 Kc5
53.Ra8 Kd4 54.Ra6 c2 55.Rc6 Kd3
56.Rxd6+ (202.814.265) 924
best move: a6-a5 time: 5:01.062 min n/s: 921.916 CPU 92.2% n/s(1CPU):
999.908 nodes: 277.525.434 TB: 321.284
Bye
Ingo
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