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Subject: Re: Test Position = Henri Grob vs David, corr 1966 [40. d5!!]

Author: John Merlino

Date: 11:51:06 05/27/04

Go up one level in this thread


On May 27, 2004 at 14:48:10, José Antônio Fabiano Mendes wrote:

> Henri Grob vs David, corr 1966
> [D]4k3/5R2/2p1P3/2K4P/1p1P3r/5p2/8/8 w
> Source ==> http://www.chessgames.com/perl/chessgame?gid=1286136
>
>40 d5!! This is an excellent move. If Black plays cxd5, then White's king finds
>a killer home on d6. If Black refuses the capture White will have two connected
>passed pawns on the 6th rank ready for mate or promotion.

CM_SKR needs 3 seconds to find d5 on an AMD 2500:

Time	Depth	Score	Positions	Moves
0:00	1/3	0.95	604		1.Rxf3 Ke7 2.Kxb4 Rxh5
0:00	1/4	1.04	1953		1.Rxf3 Ke7 2.Kxb4 Kxe6 3.Re3+ Kd5
0:00	1/5	1.04	4303		1.Rxf3 Ke7 2.Kxb4 Kxe6 3.Re3+ Kd5
0:00	1/6	0.75	10469		1.Rxf3 Ke7 2.Kxc6 Rxd4 3.Kc5 Rh4
0:00	1/7	0.25	33736		1.Rxf3 Ke7 2.Re3 b3 3.Rxb3 Rxh5+
					4.Kxc6 Kxe6 5.Re3+ Kf7
0:00	1/7	0.45	63778		1.Kxb4 Rxd4+ 2.Kc3 Rh4 3.Rxf3 Ke7
					4.Re3 Rxh5 5.Kd4
0:00	1/8	0.42	76403		1.Kxb4 Rxd4+ 2.Kc3 Rh4 3.Rxf3 Ke7
					4.Re3 Rxh5 5.Kd4 Rd5+ 6.Kc4
0:00	2/9	0.44	117598		1.Kxb4 Rxd4+ 2.Kc3 Rh4 3.Rxf3 Ke7
					4.Re3 Rxh5 5.Kc4 Rg5
0:01	3/10	0.27	302112		1.Kxb4 Rxd4+ 2.Kc5 Rd5+ 3.Kxc6
					Rxh5 4.Kd6 Ra5 5.Rxf3 Ra6+ 6.Ke5
					Ra7 7.Kf6
0:01	3/10	1.08	436424		1.Rxf3 Ke7 2.Re3 b3 3.Rxb3 Kxe6
					4.Re3+ Kf7 5.Re5 Kf6 6.Kc4
0:03	3/10	1.49	864834		1.d5 Rxh5 2.Kxc6 Rh6 3.Rxf3 Rh1
					4.Kc5 Rb1 5.Rd3 Ke7
0:05	4/11	1.88	1503268		1.d5 Rxh5 2.Kxc6 Rh6 3.Rxf3 Rh2
					4.Rb3 Rc2+ 5.Kb6 Rd2 6.Kc5 Rc2+
					7.Kxb4 Ke7
0:09	5/12	1.91	2673445		1.d5 Rxh5 2.Kxc6 Re5 3.Rxf3 Re2
					4.Rb3 Rc2+ 5.Kb5 Rd2 6.Kc5 Ke7
					7.Rxb4
0:23	6/13	1.95	6681781		1.d5 Rxh5 2.Kxc6 Re5 3.Rxf3 Re2
					4.Rb3 Ke7 5.Rxb4 Rc2+ 6.Kb5 Rd2
					7.Kc5 Rc2+ 8.Rc4 Rd2
1:29	7/14	2.53	26492164	1.d5 Rxh5 2.Kxc6 Re5 3.Rxf3 Re1
					4.d6 Rc1+ 5.Kb5 Rd1 6.Kc5 Rc1+
					7.Kxb4 Rd1 8.Kc5 Rc1+ 9.Kd5 Rd1+
					10.Ke5

jm



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