Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: test position movei-diep

Author: John Merlino

Date: 14:35:19 07/08/04

Go up one level in this thread


On July 08, 2004 at 17:19:36, Uri Blass wrote:

>[D]1r6/4kpp1/b1pp3p/q1n1pP2/Pr2P3/1BN3Q1/P1P3PP/K2RR3 w - - 0 24
>
>How much time does your program need to avoid Qxg7  and does it avoid it because
>it can see a loss or because it see a draw.
>
>Uri

CM9_SKR needs 0:42 on an AMD 2500 to avoid Qxg7. It sees that Qxg7 only leads to
at best a draw after 0:03, and then at 0:18 it sees that Qxg7 loses. It then
needs another 24 seconds to resolve the fail low.

Time	Depth	Score	Positions	Moves
0:00	1/3	-0.19	3420		24.Bxf7 Kxf7 25.Rxd6 Rb2
0:00	1/3	-0.14	7268		24.Kb1 R4b7 25.Qxg7 Qxc3 26.Qxf7+
					Kd8 27.Rxd6+ Nd7 28.Rxh6
0:00	1/3	-0.11	8164		24.Qxg7 Rxb3 25.f6+ Ke6 26.Qg4+
					Kxf6 27.axb3 Qxc3+ 28.Ka2 Nxb3
0:00	1/4	0.50	22626		24.Qxg7 Rxb3 25.f6+ Kd7 26.Qxf7+
					Kc8 27.Nd5 Rb2
0:00	1/5	0.40	65602		24.Qxg7 Rxb3 25.f6+ Kd7 26.Qxf7+
					Kc8 27.Nd5 Rb2 28.Qe8+ Kb7
0:02	1/6	1.23	181475		24.Qxg7 Rxb3 25.f6+ Kd8 26.Qf8+
					Kc7 27.Qxd6+ Kb7 28.axb3 Qxc3+
					29.Kb1 Nxb3 30.cxb3 Qxb3+ 31.Ka1
					Qxa4+ 32.Kb2
0:03	1/7	0.00	457750		24.Qxg7 Rxb3 25.f6+ Kd7 26.Qxf7+
					Kc8 27.axb3 Qxc3+ 28.Kb1 Nxa4 29.Qe6+
					Kb7 30.bxa4 Kc7+ 31.Kc1 Qb2+ 32.Kd2
					Qd4+ 33.Kc1 Qb2+
0:06	1/8	0.00	1206465		24.Qxg7 Rxb3 25.f6+ Kd7 26.Qxf7+
					Kc8 27.axb3 Qxc3+ 28.Kb1 Nxa4 29.Qe6+
					Kb7 30.bxa4 Kc7+ 31.Kc1 Qb2+ 32.Kd2
					Qd4+ 33.Kc1 Qb2+
0:18	1/9	-1.05	4208929		24.Qxg7 Rxb3 25.f6+ Kd7 26.Qxf7+
					Kc8 27.Nd5 cxd5 28.Qg8+ Kc7 29.Qh7+
					Nd7 30.axb3 Qc3+ 31.Kb1 Bd3 32.Rxd3
					Qxe1+ 33.Ka2 dxe4
0:42	1/9	-0.61	10147300	24.Qh4+ Kf8 25.Re3 Rd4 26.Qh5 d5
					27.exd5 Rd3 28.Rdxd3 Bxd3 29.Kb2
1:11	1/9	-0.42	17293354	24.Re3 Rd4 25.Rxd4 exd4 26.Rf3
					dxc3 27.Qxg7 Kd8 28.Qxf7 Nxe4
1:52	2/10	-0.51	27611331	24.Re3 Rd4 25.Rxd4 exd4 26.Rf3
					Bd3 27.Nb1 Bxe4 28.Qxg7 Bxf3 29.Qxf7+
					Kd8 30.gxf3 Nd7

jm



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.