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Subject: Re: how many programs avoid Nxh6...

Author: John Merlino

Date: 09:48:06 04/14/04

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On April 14, 2004 at 11:09:20, Dan Ellwein wrote:

>[D] R5K1/5PPP/8/PP1pp3/5N1R/5r1p/1kb5/3r4 w
>
>Nxh6 e3
>Ng4  e2! and black equalizes...

Chessmaster 9000, SKR personality on an AMD 2500+, needs 0:53 to see that Nxh6
is not as good as it seems. It needs 1:27 to avoid Nxh6 and switch to a5:

Time	Depth	Score	Positions	Moves
0:00	1/3	2.09	1522		1.Nxh6 d3 2.Rb5+ Bb6 3.Nf5
0:00	1/4	2.09	4158		1.Nxh6 d3 2.Rb5+ Bb6 3.Nf5
0:00	1/5	2.10	17036		1.Nxh6 d3 2.Kf1 e3 3.Rb5+ Bb6 4.Ng4
0:00	1/6	2.27	48560		1.Nxh6 d3 2.Rb5+ Bb6 3.Nf5 d2 4.Rd1
					Kc7 5.Kf1
0:01	1/7	2.19	138092		1.Nxh6 d3 2.Rb5+ Ka6 3.Nf5 Rc6
					4.Rd1 Bf4
0:01	1/8	2.19	300193		1.Nxh6 d3 2.Rb5+ Ka6 3.Nf5 Rc6
					4.Rc5 Rxc5 5.bxc5 Bf4
0:05	1/9	1.90	1128191		1.Nxh6 e3 2.Ng4 Rf4 3.Rb5+ Kc8
					4.f3 e2 5.Kf2 d3 6.Ke1 Rc4
0:14	1/10	2.12	3189019		1.Nxh6 e3 2.Ng4 Re6 3.fxe3 dxe3
					4.Re1 e2 5.Nf2 Rd2
0:53	1/11	0.54	12774109	1.Nxh6 e3 2.Ng4 e2 3.Nxf6 d3 4.Rb5+
					Kc8 5.Ne4 d2 6.Nxd2 Rxd2 7.Re1
					Rd1 8.f4 Rxe1+ 9.Kf2 Rg1 10.Kxe2
					Rxg2+ 11.Kd3 Rxh2
1:27	1/11	1.42	21339307	1.a5 d3 2.Nxh6 d2 3.Rd1 Rc6 4.Kf1
					Rh8 5.Rb5+ Ka6 6.Nf7 Rxh2 7.Rd5
					Rh1+ 8.Ke2
2:37	2/12	1.11	38856007	1.a5 Rd5 2.Ng3 Rxh5 3.Nxh5 Rf7
					4.Rc1 d3 5.h3 Be5 6.b5 d2 7.Rd1
					Rd7 8.Kf1

jm



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