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Subject: Re: Test Positon

Author: John Merlino

Date: 10:48:22 12/23/02

Go up one level in this thread


On December 23, 2002 at 11:45:06, Rex wrote:

>[D] r1b2r2/1p2kp1p/3Npp2/4p2Q/4N3/4q2P/PPP3P1/3R3K w - - 0 22
>
>How long before Qh4 found.

CM9000, on a P3-733, needs one second to find Qh4 with a draw score. It takes
six seconds to get a positive score for White:

Time	Depth	Score	Positions	Moves
0:00	1/3	-1.08	8842		22.Nc3 Qg5 23.Qf3 Rd8 24.Nxc8+
					Raxc8 25.Qxb7+ Kf8
0:00	1/4	-1.08	10992		22.Nc3 Qg5 23.Qf3 Rd8 24.Nxc8+
					Raxc8 25.Qxb7+ Kf8
0:00	1/4	-1.07	14090		22.a3 h6 23.Qh4 Qf4 24.Qe1
0:00	1/5	-1.30	30067		22.a3 h6 23.Qh4 Qf4 24.Qe1 Rd8
0:00	1/5	-1.15	36885		22.Nc3 Qg3 23.Qxh7 Qg6 24.Qh4 Qxc2
0:01	1/5	0.00	59328		22.Qh4 Qf4 23.Nf5+ Qxf5 24.Nxf6
					Qxf6 25.Qb4+ Ke8 26.Qb5+ Ke7 27.Qb4+

0:01	1/6	0.00	102985		22.Qh4 Qf4 23.Nf5+ Qxf5 24.Nxf6
					Qxf6 25.Qb4+ Ke8 26.Qb5+ Ke7 27.Qb4+

0:02	1/7	0.00	161753		22.Qh4 Qf4 23.Nf5+ Qxf5 24.Nxf6
					Qxf6 25.Qb4+ Ke8 26.Qb5+ Ke7 27.Qb4+

0:06	1/8	0.43	486842		22.Qh4 Qf4 23.Qe1 Ra4 24.Qc3 Bd7
					25.Qc5 Rxe4 26.Nxe4+ Ke8
0:15	1/9	1.00	1331931		22.Qh4 Qf4 23.Qe1 Ra4 24.Qc3 Rd4
					25.Rxd4 Qc1+ 26.Kh2 exd4 27.Nxc8+
					Kd8
0:46	1/10	3.79	4466344		22.Qh4 Qf4 23.Qe1 Ra4 24.Qc3 Rd4
					25.Rxd4 Qf1+ 26.Kh2 exd4 27.Nxc8+
					Kd8 28.Qxd4+ Kxc8 29.Qc5+ Kd7 30.Qxf8
1:27	2/11	5.12	8859950		22.Qh4 Qf4 23.Qe1 Ra4 24.Qc3 Rd4
					25.Rxd4 exd4 26.Qc7+ Bd7 27.Nc8+
					Rxc8 28.Qxf4 Rxc2 29.Qxf6+ Kf8
					30.Qh8+ Ke7 31.Qxd4

jm



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