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Subject: Re: Which program knows that this is a draw?

Author: Dann Corbit

Date: 17:02:33 08/29/02

Go up one level in this thread


On August 29, 2002 at 19:08:10, John Merlino wrote:

>On August 29, 2002 at 18:55:13, Terry Ripple wrote:
>
>>Are you allowing a program to use 5 man tablebases to solve this? If so, i think
>>it will be able to see the draw!
>>
>>Terry
>
>Perhaps not, because with best play no captures will occur.
>
>Chessmaster 9000, on a PIII-600, says:
>
>Time	Depth	Score	Positions	Moves
>0:00	6/10	-2.46	41780		1.Kb5 Kh4 2.Ka4 Bd2 3.Kb5 Bc3 4.Kc4
>					Bb4 5.Kb5 Kxh3 6.g5
>0:00	7/11	-2.63	77687		1.Kb5 Kh4 2.Ka4 Bd2 3.Kb5 Bc3 4.Ka4
>					Kxh3 5.g5 Kg4 6.g6 Kf5
>0:01	8/12	-2.19	115380		1.Kb5 Kh4 2.Ka4 Bd2 3.Kb5 Bc3 4.Ka4
>					Bb4 5.Kb5 Kxh3 6.g5 Bc3 7.g6
>0:01	9/13	-2.69	208710		1.Kb5 Kh4 2.Ka4 Bd2 3.Kb5 Bc3 4.Ka4
>					Bb4 5.Kb5 Bd2 6.Ka4 Kxh3 7.g5 Kg4
>0:02	10/14	-2.71	325925		1.Kb5 Kh4 2.Ka4 Bd2 3.Kb5 Bc3 4.Ka4
>					Bb4 5.Kb5 Bd2 6.Ka4 Bc3 7.Ka3 Kxh3
>					8.g5
>0:03	11/15	-2.61	575292		1.Kb5 Kh4 2.Ka4 Bd2 3.Kb5 Bc3 4.Ka4
>					Bb4 5.Kb5 Bd2 6.Ka4 Be1 7.Kb5 Kxh3
>					8.g5 Kg4
>0:05	12/16	-2.48	840450		1.Kb5 Kh4 2.Ka4 Bd2 3.Kb5 Bc3 4.Ka4
>					Bb4 5.Kb5 Bd2 6.Ka4 Be1 7.Kb5 Bb4
>					8.Ka4 Kxh3 9.g5
>0:08	13/17	-2.64	1316336		1.Kb5 Kh4 2.Ka4 Bd2 3.Kb5 Bc3 4.Ka4
>					Bb4 5.Kb5 Bd2 6.Ka4 Bc3 7.Kb5 Kxh3
>					8.g5 Kg4 9.g6 Kf5
>0:12	14/18	-1.81	1979933		1.Kb5 Kh4 2.Ka4 Bd2 3.Kb5 Bc3 4.Ka4
>					Bb4 5.Kb5 Bd2 6.Ka4 Be1 7.Kb5 Kxh3
>					8.g5 Kg4 9.g6 Kf5 10.g7
>0:18	15/19	-2.40	2858961		1.Kb5 Kh4 2.Ka4 Bd2 3.Kb5 Bc3 4.Ka4
>					Bb4 5.Kb5 Bd2 6.Ka4 Be1 7.Kb5 Bb4
>					8.Ka4 Kxh3 9.g5 Kg4 10.g6 Kf5
>0:26	16/20	-2.29	4094595		1.Kb5 Kh4 2.Ka4 Bd2 3.Kb5 Bc3 4.Ka4
>					Bb4 5.Kb5 Bd2 6.Ka4 Be1 7.Kb5 Kg5
>					8.Kc4 a4 9.Kd4 Bf2+ 10.Kc4 a3 11.Kb3
>
>0:40	17/21	-2.64	6095857		1.Kb5 Kh4 2.Ka4 Bd2 3.Kb5 Bc3 4.Ka4
>					Bb4 5.Kb5 Bd2 6.Ka4 Be1 7.Kb5 Bb4
>					8.Ka4 Bc3 9.Kb5 Kxh3 10.g5 Kg4
>					11.g6 Kf5
>1:00	18/22	-2.05	8924112		1.Kb5 Kh4 2.Ka4 Bd2 3.Kb5 Bc3 4.Ka4
>					Bb4 5.Kb5 Bd2 6.Ka4 Be1 7.Kb5 Bb4
>					8.Ka4 Bc3 9.Kb5 Kxh3 10.g5 Kg4
>					11.g6 Kf5 12.g7
>1:44	19/23	-1.85	14925070	1.Kb5 Kh4 2.Ka4 Bd2 3.Kb5 Bc3 4.Ka4
>					Bb4 5.Kb5 Bd2 6.Ka4 Be1 7.Kb5 Kg5
>					8.Ka4 Bc3 9.Kb5 Kf4 10.Ka4 Kg3
>					11.g5 Bb4 12.g6 Kxh3
>3:05	20/24	-1.66	24865476	1.Kb5 Kh4 2.Ka4 Bd2 3.Kb5 Bc3 4.Ka4
>					Bb4 5.Kb5 Bd2 6.Ka4 Be1 7.Kb5 Bb4
>					8.Ka4 Bc3 9.Kb5 Kg5 10.Ka4 Bb4
>					11.Kb5 Be1 12.Ka4 Bc3 13.Kb3
>4:26	21/25	-1.77	34387109	1.Kb5 Kh4 2.Ka4 Bd2 3.Kb5 Bc3 4.Ka4
>					Bb4 5.Kb5 Bd2 6.Ka4 Be1 7.Kb5 Bb4
>					8.Ka4 Bc3 9.Kb5 Kg5 10.Ka4 Bb4
>					11.Kb5 Be1 12.Ka4 Bc3 13.Kb5
>6:34	22/26	-1.68	49724753	1.Kb5 Kh4 2.Ka4 Bd2 3.Kb5 Bc3 4.Ka4
>					Bb4 5.Kb5 Bd2 6.Ka4 Be1 7.Kb5 Bb4
>					8.Ka4 Bc3 9.Kb5 Kg5 10.Ka4 Kg6
>					11.Kb5 Kh6 12.Ka4 Kg5 13.Kb5 Kf4
>

That's the closest to a draw score that I have seen any engine produce.



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