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Subject: Re: Old position.

Author: John Merlino

Date: 15:46:08 08/26/03

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On August 26, 2003 at 18:28:34, Dan Andersson wrote:

> This isn't especially har but it is one of the oldest analyzed positions. How
>long for your engine to find the killer move?
>[D]rnbq1bnr/ppp3pp/6k1/3BQ3/4P3/8/PPPP1PPP/RNB1K2R w KQ -
>
>MvH Dan Andersson

Assuming the answer is h4, then it takes Chessmaster 9000 eight seconds to find
the move on a P3-733:

Time	Depth	Score	Positions	Moves
0:00	1/3	-2.57	2060		1.d4 Bd6 2.Bg5 Qxg5
0:00	1/3	1.01	3790		1.Qg3+ Qg5 2.Qxc7 Qxg2 3.Rf1
0:00	1/4	0.93	21183		1.Qg3+ Qg5 2.Qxc7 Qxg2 3.Qf7+ Kg5
					4.Rf1
0:00	1/4	1.43	28179		1.h4 Be7 2.d3 Bb4+ 3.Nc3
0:01	1/5	0.88	89637		1.h4 h5 2.Bxb7 Bd6 3.Qd5 Bxb7 4.Qxb7
0:01	1/5	1.02	123554		1.Qg3+ Qg5 2.Qxc7 Ne7 3.O-O Nxd5
					4.Qxc8
0:02	1/6	0.76	232904		1.Qg3+ Qg5 2.Qxc7 Ne7 3.O-O Nxd5
					4.Qxc8 Nf4
0:02	1/6	0.88	251198		1.h4 h5 2.Bxb7 Bd6 3.Qd5 Bxb7 4.Qxb7
0:08	1/7	3.78	825619		1.h4 Bb4 2.Qg3+ Kh5 3.Qxg7 Nh6
					4.Qe5+ Nf5 5.Bf7+ Kh6 6.exf5
0:15	1/8	4.15	1665825		1.h4 h5 2.Bxb7 Bd6 3.Qa5 Bxb7 4.Qf5+
					Kh6 5.d4+ g5 6.Bxg5+ Qxg5 7.Qxg5+
					Kh7 8.Qxh5+ Nh6
0:26	1/9	4.01	3040583		1.h4 h5 2.Bxb7 Bd6 3.Qa5 Bb4 4.Qxb4
					a5 5.Qb5 Bxb7 6.Qxb7

jm



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