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Subject: Re: Simple position - no understanding for many chess programs

Author: John Merlino

Date: 12:47:35 02/13/02

On February 13, 2002 at 15:38:58, Kurt Utzinger wrote:

>Black to move. The position is a draw, even if White could manage to win both
>Black pawns. But quite a lot of [top] programs do not at all understand this and
>show completely wrong evaluations.
>
>A good example where a 1500-ELO-player does better than the so called
>2700-ELO-silicon-monsters!!
>Kurt
>
>[D] 8/8/5k1p/6pP/6K1/8/8/3B4 b - - 0 1

Well, Chessmaster 8000 knows its a draw:

Time	Depth	Score	Positions	Moves
0:00	2/3	0.08	77		1...Kg7 2.Bf3
0:00	3/4	0.08	299		1...Kg7 2.Bf3 Kg8 3.Be2
0:00	4/5	0.08	426		1...Kg7 2.Bf3 Kg8 3.Be2
0:00	5/6	0.08	718		1...Kg7 2.Bf3 Kg8 3.Be2
0:00	6/7	0.08	1063		1...Kg7 2.Bf3 Kg8 3.Be2
0:00	7/8	0.08	1926		1...Kg7 2.Bf3 Kg8 3.Be2 Kh8 4.Kf5
0:00	8/9	0.08	2953		1...Kg7 2.Bf3 Kg8 3.Be2 Kh8 4.Kf5
0:00	9/10	0.08	5355		1...Kg7 2.Bf3 Kg8 3.Be2 Kh8 4.Kf5
0:00	10/11	0.08	8653		1...Kg7 2.Bf3 Kg8 3.Be2 Kh8 4.Kf5
0:00	11/12	0.08	12311		1...Kg7 2.Bf3 Kg8 3.Be2 Kh8 4.Kf5
					Kg8 5.Bf3
0:00	12/13	0.08	17628		1...Kg7 2.Bf3 Kg8 3.Be2 Kh8 4.Kf5
					Kg8 5.Bf3
0:00	13/14	0.08	28733		1...Kg7 2.Bf3 Kg8 3.Be2 Kh8 4.Kf5
					Kg8 5.Bf3
0:00	14/15	0.08	45991		1...Kg7 2.Bf3 Kg8 3.Be2 Kh8 4.Kf5
					Kg8 5.Bf3
0:00	15/16	0.08	65144		1...Kg7 2.Bf3 Kg8 3.Be2 Kh8 4.Kf5
					Kg8 5.Bf3 Kh8 6.Kg6
0:01	16/17	0.08	112517		1...Kg7 2.Bf3 Kg8 3.Be2 Kh8 4.Kf5
					Kg8 5.Bf3 Kh8 6.Kg6
0:01	17/18	0.08	164784		1...Kg7 2.Bf3 Kg8 3.Be2 Kh8 4.Kf5
					Kg8 5.Bf3 Kh8 6.Kg6
0:01	18/19	0.08	223381		1...Kg7 2.Bf3 Kg8 3.Be2 Kh8 4.Kf5
					Kg8 5.Bf3 Kh8 6.Kg6
0:06	19/20	0.08	796973		1...Kg7 2.Bf3 Kg8 3.Be2 Kh8 4.Kf5
					Kg8 5.Bf3 Kh8 6.Kg6 Kg8 7.Kxh6
0:10	20/21	0.08	1351114		1...Kg7 2.Bf3 Kg8 3.Be2 Kh8 4.Kf5
					Kg8 5.Bf3 Kh8 6.Kg6 Kg8 7.Kxh6
0:17	21/22	0.08	2218080		1...Kg7 2.Bf3 Kg8 3.Be2 Kh8 4.Kf5
					Kg8 5.Bf3 Kh8 6.Kg6 Kg8 7.Kxh6

jm

Re: Simple position - no understanding for many chess programs ALI MIRAFZALI 14:16:56 02/13/02
- Re: Simple position - no understanding for many chess programs Dann Corbit 14:29:27 02/13/02
  - Re: Simple position - no understanding for many chess programs ALI MIRAFZALI 15:16:49 02/13/02
    - Re: Simple position - no understanding for many chess programs Dann Corbit 15:19:26 02/13/02
      - Re: Simple position - no understanding for many chess programs Uri Blass 15:31:49 02/13/02
        
        Re: Simple position - no understanding for many chess programs Uri Blass 15:41:56 02/13/02
        
        Re: Simple position - no understanding for many chess programs Dann Corbit 15:54:18 02/13/02
        
        Re: Simple position - no understanding for many chess programs ALI MIRAFZALI 16:10:28 02/13/02
        
        Re: Simple position - no understanding for many chess programs Dann Corbit 16:39:41 02/13/02
  - Re: Simple position - no understanding for many chess programs Mike S. 14:47:42 02/13/02

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