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Subject: Re: Another position from the archive...

Author: John Merlino

Date: 19:59:56 07/28/02

Go up one level in this thread


On July 28, 2002 at 19:59:10, Mike Byrne wrote:

>http://www.it.ro/ccc_search/ccc.php?art_id=146929
>
>Crafty v17.14 SE (2 cpus) (available for for free via e-mail o
>mfbyrne_pa@msn.com)
>
>White(1):[D] R7/8/6k1/4n3/5p2/5P2/5r1p/7K b - - 0 1 bm Rxf3
>(Nxf3=draw)
>

Chessmaster 9000 (on a PIII-733) finds Rxf3 in 22 seconds:

Time	Depth	Score	Positions	Moves
0:01	2/6	-6.04	71802		1...Nxf3 2.Ra6+ Kh7 3.Ra7+ Kh6
					4.Ra6+ Kg7 5.Rg6+ Kh8 6.Rg8+ Kh7
					7.Rg7+ Kh6 8.Rg6+ Kh5 9.Rg7
0:01	3/7	-5.98	107728		1...Nxf3 2.Ra6+ Kh7 3.Ra7+ Kh6
					4.Ra6+ Kg7 5.Rg6+ Kh7 6.Rg7+ Kh6
					7.Rg6+ Kh5 8.Rh6+ Kg5 9.Rh7
0:02	4/8	-5.26	204877		1...Nxf3 2.Ra6+ Kh7 3.Ra7+ Kh6
					4.Ra6+ Kg7 5.Rg6+ Kf8 6.Rf6+ Kg8
					7.Rg6+ Kf7 8.Rf6+ Ke7 9.Re6+ Kd8
					10.Rd6+ Ke8 11.Re6+ Kd7 12.Rd6+
					Kc7 13.Rd1
0:04	5/9	-5.14	379573		1...Nxf3 2.Ra6+ Kh7 3.Ra7+ Kh6
					4.Ra6+ Kg7 5.Rg6+ Kf8 6.Rf6+ Ke7
					7.Re6+ Kd8 8.Rd6+ Kc7 9.Rc6+ Kb7
					10.Rb6+ Ka7 11.Ra6+ Kb8 12.Rb6+
					Kc8 13.Rc6+ Kd7 14.Rc1
0:09	6/10	-4.88	976991		1...Nxf3 2.Ra6+ Kh7 3.Ra7+ Kh6
					4.Ra6+ Kg7 5.Rg6+ Kf7 6.Rf6+ Ke7
					7.Re6+ Kd8 8.Rd6+ Kc7 9.Rc6+ Kb7
					10.Rb6+ Ka7 11.Rb7+ Ka6 12.Rb6+
					Ka5 13.Rb5+ Ka4 14.Rb4+ Ka3 15.Ra4+
					Kb3 16.Ra1
0:22	6/10	-4.95	2503962		1...Rxf3 2.Kxh2 Kf5 3.Kg1 Rc3 4.Ra1
					f3 5.Rb1 Rc2 6.Kf1
0:42	7/11	-5.12	4628617		1...Rxf3 2.Kxh2 Ng4+ 3.Kg1 Rg3+
					4.Kf1 f3 5.Ra6+ Kh5 6.Ra5+ Kh4
					7.Ra8 Rg2 8.Ra4 Kg3 9.Ra3 Nh2+
					10.Ke1
2:33	8/12	-5.45	17642010	1...Rxf3 2.Rg8+ Kf7 3.Rg2 Re3 4.Rxh2
					f3 5.Rf2 Re1+ 6.Kh2 Ng4+ 7.Kg3
					Nxf2 8.Kxf2 Re5 9.Kxf3 Ke6 10.Kf4

jm



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