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Subject: Re: Test Position!! (easy)

Author: John Merlino

Date: 09:25:50 02/07/05

Go up one level in this thread


On February 06, 2005 at 23:37:15, Anthony Cozzie wrote:

>[D]q2r1rk1/4bpp1/4p1b1/1B2P2p/p1PB1R2/6Q1/1P4PP/R6K b - - 0 26
>
>How long does it take your favorite program to find the slick interposition Be4!
>and the follow-up sacrifice Rxd4! with a good score for Black?
>
>anthony

CM9_SKR on a P4-2.4 finds Be4 immediately, but does not see the follow-up:

Time	Depth	Score	Positions	Moves
0:00	1/3	0.22	783		26...Be4 27.Rxa4 Rxd4 28.Rxa8 Rxa8
0:00	1/4	0.22	3983		26...Be4 27.Rxa4 Rxd4 28.Rxa8 Rxa8
0:00	1/5	-0.13	22829		26...Be4 27.Be3 a3 28.bxa3 Rd3
0:00	1/6	-0.30	81386		26...Be4 27.Be3 Rd3 28.c5 h4 29.Qf2
					Bxg2+ 30.Qxg2 Qxg2+ 31.Kxg2 Rxe3
0:01	1/7	-0.30	176887		26...Be4 27.Be3 Rd3 28.c5 Bxg2+
					29.Kg1 h4 30.Qxg2 Qxg2+ 31.Kxg2
					Rxe3
0:02	1/8	-0.08	404308		26...Be4 27.Be3 Rd3 28.c5 Rb3 29.Rxa4
					Bxg2+ 30.Kg1 Qb7 31.Qxg2 Qxb5
0:06	1/9	-0.13	1054069		26...Be4 27.Be3 Rd3 28.c5 Rxe3
					29.Qxe3 Bxg2+ 30.Kg1 Qd5 31.Rc1
					Bg5 32.Bxa4 Bxf4 33.Qxf4
0:18	2/10	-0.26	3137714		26...Be4 27.Be3 Rd3 28.c5 Rxe3
					29.Qxe3 Bxg2+ 30.Kg1 Qb7 31.Raxa4
					Qxb5 32.Kxg2 Bxc5
0:59	2/11	-0.37	10929047	26...Be4 27.Qf2 a3 28.h4 a2 29.Bb6
					Rb8 30.c5 Bd8 31.b3 Bxb6 32.cxb6
3:05	2/12	-0.64	34663350	26...Be4 27.Bb6 a3 28.bxa3 Rd3
					29.Qf2 Bg5 30.Rxe4 Qxe4 31.Re1
					Qb7 32.a4 Rd2

jm



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