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Subject: Re: Position

Author: John Merlino

Date: 12:39:03 01/30/06

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On January 30, 2006 at 14:58:47, Sune Larsson wrote:

>
> [D]6k1/6p1/p2n4/5P2/2P5/1p6/3r3P/1K2Q3 b - - 0 44
>
>
> What about 44.-Nxc4? Good or bad?
>
> /S

Bad.

After 44...Nxc4 45.Qe6+ Kh7 46.Qxc4, CM9_R1 on an AMD 2500 says this:

Time	Depth	Score	Positions	Moves
0:00	1/4	3.03	2498		46...b2 47.Qxa6 Rxh2 48.Qg6+ Kg8
					49.f6
0:00	1/5	4.87	8316		46...b2 47.Qh4+ Kg8 48.Qb4 Rd1+
					49.Kxb2 Rd5 50.Qc4
0:00	1/5	3.46	11131		46...Rxh2 47.Qxb3 a5 48.Qa4 Rh1+
					49.Kc2
0:00	1/6	3.58	36137		46...Rxh2 47.Qxb3 a5 48.Qa4 Rh1+
					49.Kc2 Rh2+ 50.Kd3
0:00	1/7	3.56	56643		46...Rxh2 47.Qxb3 a5 48.Qg3 Rh1+
					49.Kb2 Kh8 50.Qe5
0:01	1/8	3.71	319718		46...Rxh2 47.Qd3 Kh8 48.Qxb3 Re2
					49.Qb6 Re1+ 50.Kb2 Rf1
0:02	1/9	7.12	609791		46...Rxh2 47.Qe4 Kh8 48.Qe8+ Kh7
					49.Qg6+ Kh8 50.f6 gxf6 51.Qxf6+
					Kh7 52.Qe7+ Kg6 53.Qd6+ Kf5 54.Qxh2
					a5
0:06	1/9	5.09	1874777		46...Rd1+ 47.Kb2 Rd2+ 48.Kxb3 Rd6
					49.Qe4 Kh8 50.Ka3 Rh6 51.h4 a5
					52.Ka4
0:10	1/9	4.87	2888323		46...Rd6 47.Kb2 a5 48.Kxb3 Rb6+
					49.Ka3 Rh6 50.h4 Rb6 51.Qe4 Rb4
0:11	2/10	5.05	3295400		46...Rd6 47.Kb2 Rh6 48.Kxb3 Rh3+
					49.Kb4 Rxh2 50.Qxa6 Rh6 51.Qc4 Rd6
0:15	3/11	5.09	4529011		46...Rd6 47.Kb2 Rh6 48.Kxb3 Rd6
					49.Qe4 Kh8 50.Ka3 Rh6 51.h4 a5
					52.Ka4
0:22	4/12	5.11	6645018		46...Rd6 47.Kb2 Rh6 48.Kxb3 Rxh2
					49.Qxa6 Rh3+ 50.Kc4 Rh6 51.Qb7
					Rh4+ 52.Kd5 Rh6 53.Qf7 Rb6
0:58	5/13	5.12	17737986	46...Rd6 47.Kb2 Kh8 48.Kxb3 Rb6+
					49.Ka3 Rh6 50.Ka4 Rb6 51.Qe4 Rh6
					52.h4 Rf6 53.Ka5 Kh7

Instead, The King prefers 44...Rd4 45.Qe6+ Kf8 46.f6 Rd1+ 47.Kb2 gxf6 48.Qxf6+
Nf7 49.Kxb3, with an eval of about +3.5 for White.

jm



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