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Subject: Re: A strange position. Does your engine see the victory?

Author: John Merlino

Date: 08:02:07 09/05/03

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On September 05, 2003 at 10:51:03, Andrey Popov wrote:

>Look at the following position:
>6k1/3qppP1/b3p3/Pp1pP1PN/1PpP4/2P5/8/1BK5 w - - 0 1
><img
>src="http://wjchess.jeffprod.com/displayfen.php?fen=6k1/3qppP1/b3p3/Pp1pP1PN/1PpP4/2P5/8/1BK5">
>White moves and wins.
>Does your engine see the victory?

Chessmaster 9000, on a P4-2.4, needs a little over 2 minutes to see the win:

Time	Depth	Score	Positions	Moves
0:00	1/8	-5.65	44032		1.Bc2 Qe8 2.Bd1 Qc8 3.Bc2 Qd8 4.g6
					f5 5.Nf4
0:00	2/9	-5.65	57399		1.Bc2 Qe8 2.Bd1 Qc8 3.Bc2 Qd8 4.g6
					f5 5.Nf4
0:00	3/10	-5.55	121321		1.Bc2 Qe8 2.Bd1 Qc8 3.Bc2 Qd8 4.g6
					f5 5.Nf4 Qc8
0:01	4/11	-5.60	237325		1.Bc2 Qe8 2.Bd1 Qc8 3.Kd2 Qa8 4.Be2
					Qe8 5.Bg4 Qb8 6.g6
0:02	5/12	-5.52	590781		1.Bc2 Qe8 2.Bd1 Qc8 3.Kd2 Qa8 4.Bg4
					Qc6 5.Ke3 Qc8 6.Nf4 Qa8
0:04	6/13	-5.56	1254718		1.Bc2 Qe8 2.Bd1 Qc8 3.Kd2 Qa8 4.Bg4
					Qc6 5.Ke3 Qc8 6.Kd2 Qd8 7.Nf4
0:15	7/14	-5.45	3909511		1.Bc2 Qe8 2.Bd1 Qc8 3.Kd2 Qa8 4.Bg4
					Kh7 5.Ke3 Bb7 6.Kf3 Bc6 7.Kf2 Kg8
					8.Bf3
0:36	8/15	-5.46	8880617		1.Bc2 Qe8 2.Bd1 Qc8 3.Kd2 Qa8 4.Bg4
					Kh7 5.Ke3 Bb7 6.Be2 Kg8 7.Kd2 Bc6
					8.Bf3
1:58	9/16	-5.35	28593195	1.Bc2 Qe8 2.Bd1 Qc8 3.Kd2 Qa8 4.Bg4
					Kh7 5.Ke3 Qc6 6.Be2 Kg8 7.Bg4 Qc8
					8.Kd2 Qa8
2:17	9/16	4.09	35256466	1.Nf6+ exf6 2.gxf6 Qe8 3.Kd2 Qd8
					4.Ke3 Qxa5 5.bxa5 b4 6.cxb4 Bb5
					7.Kd2 Ba6 8.Bc2 Bb5 9.Kc3 Ba6
2:21	10/17	4.89	36413121	1.Nf6+ exf6 2.gxf6 Qe8 3.Kd2 Qd8
					4.Ke3 Qxf6 5.exf6 Bc8 6.Kf4 Bb7
					7.Kg5 e5 8.dxe5 d4 9.cxd4 c3 10.Bc2
2:51	11/18	5.27	48709448	1.Nf6+ exf6 2.gxf6 Qe8 3.Kd2 Qb8
					4.Ke3 Qxe5+ 5.dxe5 Bb7 6.Kd4 Bc6
					7.Kc5 Ba8 8.Kxb5 Bb7 9.Kb6 Ba8
					10.b5 d4 11.Ka7

jm



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