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Subject: Re: testposition endgame

Author: Steven J. Brann

Date: 10:06:38 02/01/03

Go up one level in this thread


On February 01, 2003 at 09:38:27, Eduard Nemeth wrote:

>[D]8/8/kb6/2p5/ppP5/1P6/PK6/8 b - - 0 1
>
>This is a komposition from me.
>
>Which plays Your program? ;-)
>
>( 1...a3+ is only a draw )
>
>My Chess:
>
>http://www.eduardonline.de.vu


CM9000 finds Bc7 initially then the eval bumps up at 0:49 with Kb7.  The score
increases significantly with depth of search.  Analysis on a 1.9G P4 computer
with default personality except for selective search = 12 and 128MB hash.


Time	Depth	Score	Positions	Moves
0:14	14/23	-3.48	6111355		1...Bb6-c7 2.Kb2-c2 Ka6-b6 3.Kc2-d3
					Kb6-c6 4.Kd3-e4 Kc6-d6 5.Ke4-f5
					Bc7-d8 6.Kf5-e4 Bd8-f6 7.Ke4-f5
					Bf6-c3 8.Kf5-g6 a4xb3 9.a2xb3 Kd6-e6
					10.Kg6-h7 Bc3-e5 11.Kh7-g6 Be5-c7
					12.Kg6-g7 Ke6-e5 13.Kg7-f7
0:19	15/24	-3.52	8025717		1...Bb6-c7 2.Kb2-c2 Ka6-b6 3.Kc2-d3
					Kb6-c6 4.Kd3-e4 Kc6-d6 5.Ke4-f5
					Bc7-d8 6.Kf5-e4 Bd8-f6 7.Ke4-f5
					Bf6-c3 8.Kf5-g6 a4xb3 9.a2xb3 Kd6-e6
					10.Kg6-h7 Ke6-f7 11.Kh7-h6 Kf7-f6
					12.Kh6-h7 Bc3-e5 13.Kh7-h6 Be5-d6
					14.Kh6-h5 Kf6-e5
0:30	16/25	-3.54	11835219	1...Bb6-c7 2.Kb2-c2 Ka6-b6 3.Kc2-d3
					Kb6-c6 4.Kd3-e4 Kc6-d6 5.Ke4-f5
					Bc7-d8 6.Kf5-e4 Bd8-f6 7.Ke4-f5
					Bf6-c3 8.b3xa4 Kd6-c6 9.a4-a5 Bc3-d4
					10.Kf5-g4 Kc6-b7 11.Kg4-f5 Bd4-e3
					12.Kf5-g4 Kb7-a6 13.Kg4-h3 Ka6xa5
					14.Kh3-g4
0:49	16/25	-6.58	19238805	1...Ka6-b7 2.Kb2-c2 a4xb3+ 3.a2xb3
					Kb7-c6 4.Kc2-d3 Kc6-d6 5.Kd3-e4
					Kd6-e6 6.Ke4-f4 Bb6-d8 7.Kf4-e4
					Bd8-g5 8.Ke4-d3 Ke6-e5 9.Kd3-c2
					Ke5-d4 10.Kc2-b2 Kd4-d3 11.Kb2-b1
					Kd3-c3 12.Kb1-a2 Bg5-f4 13.Ka2-a1
					Kc3xb3 14.Ka1-b1 Kb3xc4 15.Kb1-c2
1:03	17/26	-6.77	24434903	1...Ka6-b7 2.Kb2-c2 a4xb3+ 3.a2xb3
					Kb7-c6 4.Kc2-d3 Kc6-d6 5.Kd3-e4
					Kd6-e6 6.Ke4-f4 Bb6-d8 7.Kf4-e4
					Bd8-g5 8.Ke4-d3 Ke6-e5 9.Kd3-c2
					Ke5-d4 10.Kc2-b2 Kd4-d3 11.Kb2-b1
					Kd3-c3 12.Kb1-a2 Bg5-f4 13.Ka2-a1
					Kc3xb3 14.Ka1-b1 Kb3-c3 15.Kb1-a2
					b4-b3+ 16.Ka2-b1 Kc3xc4
1:41	18/27	-6.86	37327060	1...Ka6-b7 2.Kb2-c2 a4xb3+ 3.a2xb3
					Kb7-c6 4.Kc2-d3 Kc6-d6 5.Kd3-e4
					Kd6-e6 6.Ke4-f4 Bb6-d8 7.Kf4-e4
					Bd8-g5 8.Ke4-d3 Ke6-e5 9.Kd3-c2
					Ke5-d4 10.Kc2-b2 Kd4-d3 11.Kb2-b1
					Kd3-c3 12.Kb1-a2 Bg5-f4 13.Ka2-a1
					Kc3xb3 14.Ka1-b1 Bf4-g5 15.Kb1-a1
					Kb3xc4 16.Ka1-a2 Kc4-c3
2:48	19/28	-6.91	58054235	1...Ka6-b7 2.Kb2-c2 a4xb3+ 3.a2xb3
					Kb7-c6 4.Kc2-d3 Kc6-d6 5.Kd3-e4
					Kd6-e6 6.Ke4-f4 Bb6-d8 7.Kf4-e4
					Bd8-g5 8.Ke4-d3 Ke6-e5 9.Kd3-c2
					Ke5-d4 10.Kc2-b2 Kd4-d3 11.Kb2-b1
					Kd3-c3 12.Kb1-a2 Bg5-f4 13.Ka2-a1
					Kc3xb3 14.Ka1-b1 Bf4-g5 15.Kb1-a1
					Kb3xc4 16.Ka1-b2 Bg5-f6+
4:39	20/29	-7.16	91530777	1...Ka6-b7 2.Kb2-c2 a4xb3+ 3.a2xb3
					Kb7-c6 4.Kc2-d3 Kc6-d6 5.Kd3-e4
					Kd6-e6 6.Ke4-f4 Bb6-d8 7.Kf4-e4
					Bd8-g5 8.Ke4-d3 Ke6-e5 9.Kd3-c2
					Ke5-d4 10.Kc2-b2 Bg5-f4 11.Kb2-b1
					Kd4-c3 12.Kb1-a2 Bf4-c1 13.Ka2-a1
					Kc3xb3 14.Ka1-b1 Kb3xc4 15.Kb1-c2
					b4-b3+ 16.Kc2-d1 Bc1-g5
9:45	21/30	-10.55	186565650	1...Ka6-b7 2.Kb2-c2 a4xb3+ 3.a2xb3
					Kb7-c6 4.Kc2-d3 Kc6-d6 5.Kd3-e4
					Kd6-e6 6.Ke4-f4 Bb6-d8 7.Kf4-e4
					Bd8-g5 8.Ke4-d3 Ke6-e5 9.Kd3-c2
					Ke5-d4 10.Kc2-d1 Kd4-c3 11.Kd1-e2
					Kc3xb3 12.Ke2-d3 Bg5-f4 13.Kd3-e2
					Kb3xc4 14.Ke2-f3 b4-b3 15.Kf3xf4
					b3-b2 16.Kf4-f3 b2-b1=Q
14:01	22/31	-10.83	261307554	1...Ka6-b7 2.Kb2-c2 a4xb3+ 3.a2xb3
					Kb7-c6 4.Kc2-d3 Kc6-d6 5.Kd3-e4
					Kd6-e6 6.Ke4-f4 Bb6-d8 7.Kf4-e4
					Bd8-g5 8.Ke4-d3 Ke6-e5 9.Kd3-e2
					Ke5-d4 10.Ke2-f3 Bg5-h6 11.Kf3-g4
					Kd4-c3 12.Kg4-f5 Kc3xb3 13.Kf5-g6
					Kb3xc4 14.Kg6xh6 Kc4-c3 15.Kh6-g5
					b4-b3 16.Kg5-f4 b3-b2


Steve



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