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Subject: Re: Nice Endgame Testposition (Yace 0.99.87)

Author: Kurt Utzinger

Date: 05:48:26 12/04/04

Go up one level in this thread


On December 04, 2004 at 08:15:05, Joachim Rang wrote:

>Hi,
>
>[D]8/pp2n1k1/P4p2/1P3P2/4KP1P/8/4B3/8 b - - 0 63
>
>Move to draw is b6. I don't expect any program to return a drawscore, but to
>find the move is already a difficult task.
>
>regards Joachim


FEN: 8/pp2n1k1/P4p2/1P3P2/4KP1P/8/4B3/8 b - - 0 63
Yace 0.99.87: (P4 1.8/64 MB hash, Arena 1.092)

   1	00:00	           5	0	+5.48	Sxf5 Kxf5 bxa6 bxa6
   1	00:00	           9	0	+2.72	bxa6 bxa6
   1	00:00	          13	0	+2.71	b6
   1	00:00	          23	23.000	+2.71	b6
   2	00:00	          41	41.000	+2.78	b6 Lc4
   2-	00:00	          57	57.000	+2.72	bxa6 bxa6
   2	00:00	          72	72.000	+2.72	bxa6 bxa6
   2	00:00	         172	172.000	+2.72	bxa6 bxa6
   3	00:00	         337	337.000	+2.74	bxa6 bxa6 Sc6 Lc4
   3	00:00	         448	224.000	+2.74	bxa6 bxa6 Sc6 Lc4
   4	00:00	         805	402.500	+2.70	bxa6 bxa6 Kh6 Lc4 Kh5
   4	00:00	       1.202	400.666	+2.70	bxa6 bxa6 Kh6 Lc4 Kh5
   5	00:00	       2.100	525.000	+2.69	bxa6 bxa6 Kh6 Lf3 Sc6 Kd5
   5	00:00	       3.502	500.285	+2.69	bxa6 bxa6 Kh6 Lf3 Sc6 Kd5
  6/10	00:00	       5.180	575.555	+2.71	bxa6 bxa6 Kh6 Lf3 Sc6 Kd5 Sb4+ Ke6
  6/10	00:00	       7.479	623.250	+2.71	bxa6 bxa6 Kh6 Lf3 Sc6 Kd5 Sb4+ Ke6
  7/10	00:00	      11.995	666.388	+2.69	bxa6 bxa6 Kh6 Lf3 Kg7 Ld1 Sc6 Lb3
  7/12	00:00	      16.217	186.402	+2.69	bxa6 bxa6 Kh6 Lf3 Kg7 Ld1 Sc6 Lb3
  8/12	00:00	      26.283	247.952	+2.67	bxa6 bxa6 Kh6 Lf3 Kg7 Ld1 Sc6 Lb3 Kh6
Lf7
  8/14	00:00	      40.172	309.015	+2.67	bxa6 bxa6 Kh6 Lf3 Kg7 Ld1 Sc6 Lb3 Kh6
Lf7
  9/14	00:00	      66.367	399.801	+2.65	bxa6 bxa6 Sc8 Kd4 Se7 Ld3 Kh6 Kc5 Kh5
Kd6
  9/17	00:00	      87.785	441.130	+2.65	bxa6 bxa6 Sc8 Kd4 Se7 Ld3 Kh6 Kc5 Kh5
Kd6
 10/17	00:00	     130.057	518.155	+2.65	bxa6 bxa6 Sc8 Kd4 Se7 Ld3 Kh6 Kc5 Kh5
Kd6 Sc8+ Kd7
 10/20	00:00	     182.827	573.125	+2.65	bxa6 bxa6 Sc8 Kd4 Se7 Ld3 Kh6 Kc5 Kh5
Kd6 Sc8+ Kd7
 11/20	00:00	     250.797	630.143	+2.66	bxa6 bxa6 Sc8 Kd4 Se7 Lg4 Kf7 Lh5+ Kf8
Ke4 Sc6 Kd5
 11/23	00:00	     363.242	681.504	+2.66	bxa6 bxa6 Sc8 Kd4 Se7 Lg4 Kf7 Lh5+ Kf8
Ke4 Sc6 Kd5
 12/23	00:00	     608.282	759.403	+2.66	bxa6 bxa6 Kh6 Lg4 Sc6 Lf3 Kh7 Le2 Sb4
Lc4 Kh6 Kd4 Kh5
 12/25	00:01	     827.331	781.237	+2.66	bxa6 bxa6 Kh6 Lg4 Sc6 Lf3 Kh7 Le2 Sb4
Lc4 Kh6 Kd4 Kh5
 13/25	00:01	   1.099.986	817.833	+2.61	bxa6 bxa6 Kh6 Lg4 Sc6 Lf3 Sb4 Le2 Sc2
Kd5 Se3+ Ke6 Kg7 Lf3
 13/27	00:01	   1.443.906	825.089	+2.61	bxa6 bxa6 Kh6 Lg4 Sc6 Lf3 Sb4 Le2 Sc2
Kd5 Se3+ Ke6 Kg7 Lf3
 14/27	00:02	   2.084.031	848.546	+2.59	bxa6 bxa6 Kh6 Lg4 Sc6 Lf3 Sb4 Le2 Sc2
Kd5 Se3+ Ke6 Sg2 Lc4 Se3
 14/29	00:03	   2.769.666	854.307	+2.59	bxa6 bxa6 Kh6 Lg4 Sc6 Lf3 Sb4 Le2 Sc2
Kd5 Se3+ Ke6 Sg2 Lc4 Se3
 15/29	00:04	   3.367.243	864.725	+2.65	bxa6 bxa6 Kh6 Lg4 Sc6 Lf3 Sb4 Le2 Sc2
Kd5 Se3+ Ke6 Sg2 Kxf6 Sxh4 Ke5
 15/30	00:05	   4.947.940	868.974	+2.65	bxa6 bxa6 Kh6 Lg4 Sc6 Lf3 Sb4 Le2 Sc2
Kd5 Se3+ Ke6 Sg2 Kxf6 Sxh4 Ke5
 16/32	00:07	   6.973.045	883.111	+2.58	bxa6 bxa6 Kh6 Lf3 Sc6 Kd5 Sb4+ Ke6 Kg7
Le2 Sc6 Kd6 Sd4 Ld3 Kh6 Kd5 Sf3 Ke6 Sxh4 Kxf6 Kh7 Le4 Kg8
 16/32	00:11	   9.814.213	883.288	+2.58	bxa6 bxa6 Kh6 Lf3 Sc6 Kd5 Sb4+ Ke6 Kg7
Le2 Sc6 Kd6 Sd4 Ld3 Kh6 Kd5 Sf3 Ke6 Sxh4 Kxf6 Kh7 Le4 Kg8
 17/32	00:14	  13.047.249	895.856	+2.57	bxa6 bxa6 Kh6 Lf3 Sc6 Kd5 Sb4+ Ke6 Kg7
Le2 Sc2 Kd5 Kh6 Kd6 Se1 Ke7 Kg7 Lf1 Sf3 h5
 17/35	00:20	  18.097.711	888.754	+2.57	bxa6 bxa6 Kh6 Lf3 Sc6 Kd5 Sb4+ Ke6 Kg7
Le2 Sc2 Kd5 Kh6 Kd6 Se1 Ke7 Kg7 Lf1 Sf3 h5
 18/37	00:29	  26.310.733	899.942	+2.56	bxa6 bxa6 Kh6 Lf3 Sc6 Kd5 Sb4+ Ke6 Kg7
Le2 Sc2 Kd5 Kh6 Kd6 Se1 Kc6 Sc2 Kb7 Sd4 Lc4 Se2
 18/37	00:39	  35.196.085	890.814	+2.56	bxa6 bxa6 Kh6 Lf3 Sc6 Kd5 Sb4+ Ke6 Kg7
Le2 Sc2 Kd5 Kh6 Kd6 Se1 Kc6 Sc2 Kb7 Sd4 Lc4 Se2
 19/37	00:49	  44.448.449	896.680	+2.58	bxa6 bxa6 Kh6 Lf3 Sc6 Kd5 Sb4+ Ke6 Kg7
Le2 Sc2 Kd5 Kh6 Kd6 Se1 Kc6 Sg2 Kb7 Sxh4 Kxa7 Sxf5
 19/41	01:10	  61.847.523	884.154	+2.58	bxa6 bxa6 Kh6 Lf3 Sc6 Kd5 Sb4+ Ke6 Kg7
Le2 Sc2 Kd5 Kh6 Kd6 Se1 Kc6 Sg2 Kb7 Sxh4 Kxa7 Sxf5
 20/41+	01:25	  76.374.537	889.368	+2.98	bxa6 bxa6 Kh6 h5 Kg7 Kd4 Sxf5+ Kd5 Kf7
Kc6 Sd4+ Kb7 Kg7
 20/41	02:30	 134.762.810	893.735	+3.97	bxa6 bxa6 Kf7 h5 Kg7 Kd4 Sxf5+ Kd5 Sg3
Ld1
 20/41-	02:31	 135.155.133	893.877	+3.96	b6 Lc4
 20/41	02:36	 139.910.157	893.412	+2.69	b6 Lc4 Kh6 Lf7 Kg7 Le6 Kh6 Kf3 Kh5 Kg3
Kh6 Kg2 Kh5 Kh3
 20/41	03:29	 185.100.573	883.661	+2.69	b6 Lc4 Kh6 Lf7 Kg7 Le6 Kh6 Kf3 Kh5 Kg3
Kh6 Kg2 Kh5 Kh3
 21/41	03:39	 193.683.311	883.051	+2.69	b6 Lc4 Kh6 Lf7 Kg7 Lg6 Kf8 Lh5 Kg7 Le2
Kf7 Lc4+ Kg7 Ld5
 21/45	05:05	 267.990.855	877.921	+2.69	b6 Lc4 Kh6 Lf7 Kg7 Lg6 Kf8 Lh5 Kg7 Le2
Kf7 Lc4+ Kg7 Ld5
 22/45	05:45	 303.566.042	877.601	+2.72	b6 Lh5 Kh6 Lf7 Kg7 Lg6





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