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Subject: Re: just when you think all is lost...

Author: John Merlino

Date: 17:56:07 04/13/05

Go up one level in this thread


On April 13, 2005 at 19:51:49, Mike Byrne wrote:

>Black(1): [d]6k1/6Pr/p4pKP/P4P2/1prpp3/2n1R3/3R4/8 w - - 0 1
>
>try it first, before feeding it to your engine

CM9_R1 needs 0:56 on an AMD 2500 to see that Rdd3 draws (although the eval after
0:28 is "drawish" :-):

Time	Depth	Score	Positions	Moves
0:00	1/3	-4.48	954		1.Rh3 Nd5 2.Rh1 d3
0:00	1/4	-4.00	2601		1.Rh3 d3 2.Kxf6 Rc5
0:00	1/5	-4.89	8494		1.Rh3 Nd5 2.Rh1 Rc6 3.Kh5 d3
0:00	1/6	-4.46	21782		1.Rh3 Nd5 2.Rh4 Rc1 3.Rg2 Re1
0:00	1/7	-4.95	43443		1.Rh3 Nd5 2.Rh4 Rc1 3.Rg2 Re1 4.Kh5
					d3
0:00	1/7	-4.78	52832		1.Re1 b3 2.Rh1 e3 3.Rb2 Rb4 4.Kxf6
					d3
0:00	1/8	-2.74	138581		1.Re1 b3 2.Re3 b2 3.Rxb2 Rc8 4.Rh3
					Nd5 5.Rh1 d3
0:00	1/9	-3.04	198139		1.Re1 b3 2.Re3 b2 3.Rxb2 Rc8 4.Rh3
					e3 5.Rb7 Nd5 6.Rh1 d3
0:01	1/10	-2.87	342070		1.Re1 b3 2.Re3 b2 3.Rxb2 Rc8 4.Re1
					e3 5.Rb4 Rd8 6.Rc1 Ne4 7.Rb7
0:02	1/11	-2.93	637476		1.Re1 b3 2.Re3 b2 3.Rxb2 Rc8 4.Rh3
					e3 5.Rb4 Rd8 6.Rc4 Ne4 7.Rh1
0:06	2/12	-3.00	1839203		1.Re1 b3 2.Re3 b2 3.Rxb2 Rc8 4.Re1
					e3 5.Rb4 Rd8 6.Rh1 d3 7.Rb6 Rxh6+
					8.Rxh6
0:10	2/12	-1.06	2852582		1.Rdd3 b3 2.Rxd4 Rxd4 3.Rxc3 Rd8
					4.Rxb3 Re8 5.Re3 Re7 6.Kxf6 Re8
					7.Kg6
0:12	3/13	-2.46	3485613		1.Rdd3 b3 2.Rxd4 Rxd4 3.Rxc3 Rd8
					4.Rxb3 Rc8 5.Rb6 Re8 6.Rxa6 e3
					7.Rxf6 e2 8.Rf8+ Rxf8 9.gxf8=Q+
					Kxf8
0:28	4/14	-0.13	8108747		1.Rdd3 b3 2.Rxd4 Rxd4 3.Rxc3 Rd8
					4.Rxb3 Rc8 5.Rb6 e3 6.Re6 Rb8 7.Rxe3
					Rd8 8.Rh3
0:56	5/15	0.00	16196935	1.Rdd3 b3 2.Rxd4 Rxd4 3.Rxc3 Rd8
					4.Rxb3 Re8 5.Re3 Re7 6.Rb3 Re8
1:51	6/16	0.00	32288944	1.Rdd3 b3 2.Rxd4 Rxd4 3.Rxc3 Rd8
					4.Rxb3 Re8 5.Re3 Re7 6.Rb3 Re8

jm



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