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Subject: Re: Start Your Engines.. TestPostion

Author: John Merlino

Date: 13:10:52 05/26/03

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On May 26, 2003 at 12:53:48, Rex wrote:

>How long does it take your favorite engine to find the winning move Bxg6.
>
>[D]3q2k1/1b1r3p/p3pPp1/n1p5/P3BB2/2P3Q1/2P4P/1R4K1 w - - 0 1

Chessmaster 9000, default personality on a P4-2.4G takes 36 seconds:

Time	Depth	Score	Positions	Moves
0:00	1/3	0.14	11982		1.Bg5 Rd1+ 2.Kf2 Rd2+ 3.Bxd2 Qxd2+
					4.Kf3 Bxe4+ 5.Kxe4 Qxc2+ 6.Qd3 Qxh2
0:00	1/4	0.17	15104		1.Bg5 Rd1+ 2.Kf2 Rd7 3.Qe5 Bxe4
					4.Qxe4
0:00	1/5	0.31	45044		1.Bg5 Qe8 2.Bd3 c4 3.Be2 e5
0:00	1/6	0.45	98254		1.Bg5 Qe8 2.Bd3 c4 3.Be2 e5 4.Bh6
0:01	1/7	0.36	265095		1.Bg5 Qe8 2.Qf3 Qa8 3.Bh6 Bd5 4.Rd1
					Nc4
0:02	1/7	0.41	527620		1.Qg5 Bxe4 2.Rb8 Qxb8 3.Bxb8 Nc6
					4.Bf4 Rd1+ 5.Kf2 Bf5
0:04	1/8	0.65	894039		1.Qg5 Bxe4 2.Rb8 Qxb8 3.Bxb8 Nc6
					4.Qe3 Bf5 5.Bf4 Rd1+ 6.Kf2
0:10	1/9	0.67	2133982		1.Qg5 Bxe4 2.Rb8 Qxb8 3.Bxb8 Bf5
					4.Qf4 Nb7 5.Qc1 Nd6 6.Bxd6 Rxd6
0:28	2/10	0.80	5887506		1.Qg5 Bxe4 2.Rb8 Qxb8 3.Bxb8 Nc6
					4.Qe3 Nxb8 5.Qxe4 Rd1+ 6.Kf2 Rd2+
					7.Ke3
0:36	2/10	0.88	7718373		1.Bxg6 Qxf6 2.Bf7+ Kxf7 3.Rf1 Be4
					4.Be5 Qxf1+ 5.Kxf1 Bf5 6.Qg7+ Ke8
					7.Qg8+ Ke7 8.Qc8 Nb7 9.Qc6 Rd1+
					10.Ke2
1:10	3/11	1.17	15304668	1.Bxg6 Qxf6 2.Bf7+ Kxf7 3.Rf1 Be4
					4.Be5 Qxf1+ 5.Kxf1 Bf5 6.Qg7+ Ke8
					7.Qg8+ Ke7 8.Qc8 Nb7 9.Bg7 Rd1+
					10.Kf2 Be4 11.Bf8+ Kf6 12.Bxc5
					Nxc5 13.Qxc5 Bxc2
2:32	4/12	1.34	35268036	1.Bxg6 Qxf6 2.Bf7+ Kxf7 3.Rf1 Be4
					4.Be5 Qxf1+ 5.Kxf1 Rd5 6.Qg7+ Ke8
					7.c4 Nxc4 8.Bf6 Ne3+ 9.Ke2 Nf5
					10.Qg8+ Kd7 11.Qd8+ Kc6 12.Qc8+
					Kb6 13.Qxe6+ Nd6 14.Qd7

jm



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