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Subject: Re: Deep Blue versus Deep Thought - a missing position

Author: José Carlos

Date: 07:25:19 08/31/01

Go up one level in this thread


On August 30, 2001 at 10:38:40, Ed Schröder wrote:

>On August 30, 2001 at 07:45:34, Kim Roper Jensen wrote:
>
>>Hi
>>
>>If my memory(heavily fragmented) serves me well there was some games, where the
>>DB played against DT, and in one of them DB "announced" mate in 18, a very
>>complicated position where the mate consisted of quiet moves and some
>>counterchecks.
>>
>>Are there anyone that have this position ?? Or is my memory corrupted  ??? :)
>>
>>With regards
>
>
>[d]3r1r1k/1b4pp/ppn1p3/4Pp1R/Pn5P/3P4/4QP2/1qB1NKR1 w - - id MATE (16)
>
>I think you mean this one.
>
>Ed
>
>-------------------------------------

  Too har for my program:

Averno v0.33 alfa
(c) 1999-2001 Jose Carlos Martinez Galan


go
Tiempo esperado: 142857142.842857

Prof	Eval	Tiempo	  Nodos   PV
----	----	------	--------- ------
1	-8.26	0.01	     133  g1g7
1	-8.18	0.02	     336  ++ e1g2
1	-8.18	0.02	     336  e1g2
1	-8.16	0.02	     366  ++ e1c2
1	-8.16	0.02	     366  e1c2
1	-8.11	0.02	     377  ++ e1f3
1	-8.11	0.03	     377  e1f3
1	-7.85	0.03	     495  ++ c1h6
1	-7.11	0.03	     614  ++ c1h6
1	-7.11	0.03	     614  c1h6
1	-6.85	0.04	     633  ++ c1g5
1	-5.69	0.04	     663  ++ c1g5
1	-5.69	0.04	     663  c1g5
1	-5.43	0.04	    1011  ++ c1e3
1	-5.04	0.05	    1306  ++ c1e3
1	-5.04	0.05	    1306  c1e3
1	-5.04	0.06	    2816--c1e3
2	-5.04	0.06	    3199  c1e3 c6e5
2	-5.04	0.07	    5127--c1e3 c6e5
3	-5.04	0.10	   12547  c1e3 c6e5 e3b6
3	-5.04	0.11	   15031--c1e3 c6e5 e3b6
4	-5.73	0.19	   35105  c1e3 b4d3 h5g5 d8d7
4	-5.51	0.26	   50370  ++ c1a3
4	-5.51	0.26	   50370  c1a3 d8d3 e2b2 d3d1
4	-5.39	0.33	   68265  ++ e2b2
4	-5.39	0.33	   68265  e2b2 b1b2 c1b2 b4d3
4	-5.39	0.41	   87695--e2b2 b1b2 c1b2 b4d3
5	-5.39	0.42	   91393  e2b2 b1b2 c1b2 b4d3 e1d3
5	-5.39	0.79	  188473--e2b2 b1b2 c1b2 b4d3 e1d3
6	-5.34	0.91	  220773  e2b2 b1b2 c1b2 d8d5 g1g6 f8e8
6	-5.34	1.44	  360935--e2b2 b1b2 c1b2 d8d5 g1g6 f8e8
7	-5.32	1.66	  422442  e2b2 b1b2 c1b2 b4d3 e1d3 d8d3 f1e2
7	-5.32	3.97	 1028371--e2b2 b1b2 c1b2 b4d3 e1d3 d8d3 f1e2
8	-5.47	4.70	 1230798  e2b2 b1b2 c1b2 d8d5 e1f3 d5d3 b2a3 f8a8
8	-5.47	10.08	 2632205--e2b2 b1b2 c1b2 d8d5 e1f3 d5d3 b2a3 f8a8
9	-5.44	11.37	 2986542  e2b2 b1b2 c1b2 d8d5 d3d4 c6d4 h5g5 f8f7 h4h5
9	-5.44	34.50	 9592387--e2b2 b1b2 c1b2 d8d5 d3d4 c6d4 h5g5 f8f7 h4h5
10	-5.58	37.69	10485794  e2b2 b1b2 c1b2 b4d3 e1d3 d8d3 h5g5 b6b5 a4b5 d3d1
10	-5.32	375.76	101740638  ++ g1g7
10	-3.82	384.30	103744580  ++ g1g7
10	0.00	420.85	112994558  g1g7 h8g7 h5h7 g7h7 e2h5 h7g7 c1h6 g7h7 h6c1 g8h8
10	0.00	487.58	131086810--g1g7 h8g7 h5h7 g7h7 e2h5 h7g7 c1h6 g7h7 h6c1 -
11	0.00	517.25	139121783  g1g7 h8g7 h5h7 g7h7 e2h5 h7g7 c1h6 g7h7 h6c1 g8h8 g6g7
11	0.00	522.30	140431305--g1g7 h8g7 h5h7 g7h7 e2h5 h7g7 c1h6 g7h7 h6c1 -

;Mi jugada (26) es: g1g7;
Tiempo restante: 9999997889.96
Totales: Visitados: 513000010   Nulos: 74247342   Cortes Nulos: 40380403
Hash exactos: 240   UBounds: 1401339   LBounds: 16456773   Fallos: 587039796
Hash grabaciones: 118542314 (200%)  No grabaciones: 111966584
Extensiones: Jaque: 38236367  Recaptura: 1972220  Null: 849935  Podas Futility:
8171933
Cortes Beta: 93602151  Cortes Beta Primera: 83417641  (43%)
Por segundo: Visitados: 243236

  It takes a looooooong time trying to resolve the fail high at depth 12, but I
stopped after 45 minutes...

  José C.



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Last modified: Thu, 15 Apr 21 08:11:13 -0700

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