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Subject: Re: Position is very easy for humans but computers? (Aristarch 4.50)

Author: Kurt Utzinger

Date: 02:26:47 02/13/05

Go up one level in this thread


On February 13, 2005 at 04:45:16, piet de hoop wrote:

>Humans would play Qb3x instaneously
>but computers will take the long road?
>Try this one out.
>
>
>[D] 8/8/p1k5/3R4/8/1B4q1/P7/7K b - - 0 45
>
>Piet


      Also no problem for Aristarch 4.50 on P4 1.8/32 MB hash
      without EGTB as you can see below:
      Kurt

FEN: 8/8/p1k5/3R4/8/1B4q1/P7/7K b - - 0 45

Aristarch 4.50:
  2/4-	00:00	          26	0	-0.42	Dxb3 axb3
  2/5	00:00	          61	0	-1.07	Dxb3 Td6+ Kxd6
  2/5-	00:00	         145	0	-1.08	Df4 Kg2
  2/5-	00:00	         170	0	-1.28	Df4 Kg2
  2/5	00:00	         200	0	-1.63	Df4 Td8
  2/5-	00:00	         203	0	-1.64	Dh4+ Kg1
  2/5-	00:00	         239	0	-1.84	Dh4+ Kg1 Kb7
  2/5	00:00	         267	0	-1.90	Dh4+ Kg1 Kb7
  2/5-	00:00	         295	0	-1.91	De1+ Kh2 Df2+ Kh1
  2/5	00:00	         329	0	-1.94	De1+ Kh2 Df2+ Kh1
  2/5-	00:00	         340	0	-1.95	Df3+ Kg1
  2/5-	00:00	         344	0	-2.15	Df3+ Kg1 Kb7
  2/5	00:00	         380	0	-2.24	Df3+ Kg1 Kb7
  3/9	00:00	         841	0	-2.00	Df3+ Kg1 De3+ Kh1 Kb7
  3/9-	00:00	         877	0	-2.01	De1+ Kh2 Df2+ Kh1 Kb7
  3/9	00:00	       1.165	0	-2.10	De1+ Kg2 De2+ Kh3 Kb7
  3/9-	00:00	       1.668	0	-2.11	Kb6 Td6+ Dxd6 La4
  3/9-	00:00	       1.822	0	-2.31	Kb6 Td6+ Dxd6 La4
  3/9	00:00	       2.392	0	-2.57	Kb6 Td1 Ka7
  4/9+	00:00	       2.393	0	-2.15	Kb6
  4/9	00:00	       3.078	0	-2.50	Kb6 Ld1 Dh3+ Kg1 De3+ Kh2 Ka7
  5/12	00:00	       6.319	0	-2.30	Kb6 Ld1 a5 Lb3 Ka6
  5/12-	00:00	      11.140	0	-2.31	Kc7 Tc5+ Kb6 Tc1 Dh3+ Kg1 De3+ Kh1 Dxc1+ Kh2
  5/12	00:00	      12.962	0	-2.44	Kc7 Ld1 Df2 Lb3 Kb8
  6/13	00:00	      22.033	0	-2.44	Kc7 Ld1 Kb7 a4 Dh3+ Kg1 De3+ Kh2 Ka7
  7/14	00:00	      44.122	0	-2.37	Kc7 Ld1 Kb7 Lb3 De1+ Kg2 De2+ Kh3 Ka8
  7/14-	00:00	      47.894	0	-2.38	Kb6 Ld1 a5 Lb3 a4 Lxa4 Df3+ Kg1
  7/14	00:00	      59.281	0	-2.56	Kb6 Ld1 a5 Lb3 a4 Ld1 a3
  8/16	00:00	      96.008	218.000	-2.59	Kb6 Ld1 a5 Lb3 a4 Ld1 Dh3+ Kg1 De3+ Kf1
a3
  8/17-	00:00	     125.128	240.235	-2.60	Dh3+ Kg1 Dxb3 axb3 Kxd5 Kh1 Kc5 Kg1 Kb4
Kh1 Kxb3 Kg1 a5
  8/17-	00:00	     127.408	240.235	-2.80	Dh3+ Kg1 Dxb3 axb3 Kxd5 Kh1 Kc5 Kg1 Kb4
Kh1 Kxb3 Kg1 a5
  8/19	00:01	     230.397	286.199	-6.62	Dh3+ Kg1 Dxb3 Td2 De3+ Tf2 Kb6 Kf1 Dd3+
Te2 Kb5 Ke1
  9/19+	00:01	     325.436	328.905	-6.20	Dh3+ Kg1 Dxb3 axb3 Kxd5 Kf2 Kc5 Ke3 Kb4
Kd4 Kxb3
  9/19	00:01	     336.019	328.905	-6.50	Dh3+ Kg1 Dxb3 Td2 De3+ Tf2 Kb6 Kf1 Dd3+
Te2 Dd1+ Kf2 Dd4+ Kf1 Df4+ Tf2 Ka7
 10/22+	00:02	     693.204	398.056	-6.08	Dh3+ Kg1 Dxb3 axb3 Kxd5 Kf2 Kc5 Ke3 Kb4
Kd4 Kxb3
 10/24	00:09	   3.901.226	441.013	-2.12	Dh3+ Kg1 De3+ Kf1 Kc7 Td1 a5 Ld5 Kb6 Lg2
Kc5
 10/24-	00:09	   3.905.460	441.013	-2.13	Kb6 Ld1 a5 Lb3 a4 Ld1 Dh3+ Kg1 De3+ Kf1
a3
 10/24-	00:09	   3.912.998	441.013	-2.33	Kb6 Ld1
 10/24	00:09	   4.283.972	445.591	-2.81	Kb6 Td1 a5 Lc2 Df2 Tb1+ Ka6 Lb3 Df3+ Kg1
Dg3+ Kh1 Dh3+ Kg1 De3+ Kh2 Df2+ Kh1
 10/24-	00:10	   4.436.697	446.254	-2.82	Dxb3 Td2 De3 Tc2+ Kb7 Kh2
 10/24-	00:10	   4.441.565	446.254	-3.02	Dxb3 Td2 De3 Tc2+ Kb7 Kh2
 10/24	00:10	   4.680.810	449.547	-6.51	Dxb3 Td2 Db4 Tf2 De4+ Kg1 a5 Tb2 Dd4+
Tf2 Dg4+ Tg2 Dd1+ Kh2
 11/24+	00:11	   5.232.203	455.226	-6.09	Dxb3 axb3 Kxd5 Kh2 a5 Kh1 Kd4 Kg1 Kc3
Kh1 Kxb3 Kg1
 11/24	00:12	   5.297.790	455.226	-6.62	Dxb3 Td2 De3 Tc2+ Kb6 Tb2+ Ka5 Tb3 Dc1+
Kh2 Dd2+ Kh1 Dxa2 Tb8 Dd5+ Kg1
 12/25+	00:15	   7.097.449	472.080	-6.20	Dxb3 axb3 Kxd5 Kh2 a5 Kh1 Kd4 Kg1 Kc3
Kh1 Kxb3 Kg1 a4
 12/25	00:15	   7.135.047	472.080	-6.58	Dxb3 Td2 De3 Tc2+
 13/27+	00:27	  13.389.716	489.720	-6.16	Dxb3 axb3 Kxd5 Kg1 Kd4 Kf2 Kc3 Ke3 Kxb3
Ke2 a5 Kd3 a4
 13/27	00:27	  13.425.396	489.720	-3.28	Dxb3 axb3 Kxd5 Kh2 a5 Kg3 Kd4 Kf4 Kc3 b4
axb4 Ke3 b3





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