Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: A tough testposition ...... Rxe2!

Author: John Merlino

Date: 15:56:45 05/26/03

Go up one level in this thread


On May 26, 2003 at 17:46:55, bobby palacios wrote:

>[d] 4rk2/3R4/p4q2/2r2p1Q/8/2p5/P1RnBK1P/8 b - - 0 43
>
>Taken from Nejmet 3.06 vs List 5.04 (game in 150), p4 2.47 ghz.
>..Ne4 also wins, but ..Rxe2! is more convincing.

It takes a while, but CM9000 (default personality on a P4 2.4) finds Rxe2 in
just over eight minutes:

Time	Depth	Score	Positions	Moves
0:00	1/3	-0.70	4954		43...Rc6 44.Ke1 Re3 45.h4
0:00	1/3	-1.04	7048		43...Ne4+ 44.Ke1 Rce5 45.Qh7 R5e7
0:00	1/4	-1.09	25725		43...Ne4+ 44.Kg1 Rce5 45.Bc4 R5e7
					46.Rg2 Rxd7 47.Rg8+ Ke7 48.Qxe8+
					Kd6 49.Bxa6
0:00	1/5	-1.19	91135		43...Ne4+ 44.Ke1 Rb8 45.Rc1 c2
					46.Qh7 Rb1
0:01	1/6	-1.27	201670		43...Ne4+ 44.Kf1 f4 45.Qh3 Rg5
					46.Qh7 Nd2+ 47.Rdxd2 cxd2 48.Rxd2
0:02	1/7	-1.35	480845		43...Ne4+ 44.Kf1 f4 45.Qh3 f3 46.Bd3
					Nd2+ 47.Kf2 Rg5
0:08	1/8	-1.64	1539798		43...Ne4+ 44.Kf1 f4 45.Qf3 Rg5
					46.Qd3 Qh8 47.Bf3 Qh3+ 48.Bg2 Qxd3+
					49.Rxd3
0:20	1/9	-1.89	3905086		43...Ne4+ 44.Kf1 f4 45.Qf3 Qh6
					46.Ke1 Qxh2 47.Kd1 Qh6 48.Bd3
0:43	2/10	-1.90	8460659		43...Ne4+ 44.Kf1 f4 45.Qf3 Qh4
					46.Rd4 Rce5 47.h3 Ng3+ 48.Kg1 Nxe2+
					49.Rxe2 Rxe2 50.Rxf4+ Qxf4 51.Qxf4+
					Kg8
3:48	3/11	-1.90	44700812	43...Ne4+ 44.Kf1 f4 45.Qf3 Qe6
					46.Rd3 Rb5 47.Rd1 Re5 48.a3 Nd2+
					49.Rdxd2 cxd2 50.Rxd2 Kg8 51.Qg2+
					Kh8
8:02	3/11	-3.36	95910988	43...Rxe2+ 44.Qxe2 Rc4 45.Rd3 Rf4+
					46.Ke1 Qh4+ 47.Kd1 Rf1+ 48.Qxf1
					Nxf1 49.Rdxc3 Qd4+ 50.Ke2 Nxh2
					51.Rc8+ Kf7 52.R8c7+ Ke8 53.R2c6

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.