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Subject: Re: Rook ending Test 4

Author: John Merlino

Date: 16:44:05 08/22/02

Go up one level in this thread


On August 22, 2002 at 19:03:13, Sune Larsson wrote:

>
> [D]8/1ppr1k2/p1p4p/6p1/4R3/5P2/PPP3PP/4K3 b - - 0 2
>
> This is from Chess Tiger 14 - Aristarch. Here black
> played 2.-Re7??. Pure kamikaze.
>
> Test: Avoid 2.-Re7?? [or join the Japanese airborns...;-)
>

Chessmaster 9000 needs nine seconds to avoid Re7 on a PIII-600:

Time	Depth	Score	Positions	Moves
0:00	1/3	0.11	982		2...Kf6 3.Ke2 c5
0:00	1/4	0.11	2998		2...Kf6 3.h4 Kf5 4.g4+ Kf6
0:00	1/5	0.13	9607		2...Kf6 3.Ke2 c5 4.h4 Kf5 5.g4+ Kf6
0:00	1/5	0.11	11510		2...c5 3.h4 Kf6 4.hxg5+ hxg5 5.Ke2
					Kf5
0:00	1/5	0.09	16037		2...Re7 3.Ke2 Rxe4+ 4.fxe4 Kf6
					5.Ke3 Ke5 6.g4
0:00	1/6	0.09	23551		2...Re7 3.Ke2 Rxe4+ 4.fxe4 Kf6
					5.Ke3 Ke5 6.g4 c5
0:01	1/7	0.05	67259		2...Re7 3.Ke2 Rxe4+ 4.fxe4 Kf6
					5.Ke3 Ke5 6.g4 c5 7.c4 b5
0:01	2/8	0.07	119807		2...Re7 3.Ke2 Rxe4+ 4.fxe4 c5 5.Ke3
					Kf6 6.c4 Ke5 7.g4 b5 8.b3
0:02	3/9	0.13	223036		2...Re7 3.Rxe7+ Kxe7 4.Ke2 Ke6
					5.Ke3 Ke5 6.g3 Kd5 7.h4 c5 8.hxg5
					hxg5
0:05	4/10	0.20	625268		2...Re7 3.Rxe7+ Kxe7 4.Ke2 Ke6
					5.Ke3 Ke5 6.g3 h5 7.f4+ gxf4+ 8.gxf4+
					Kf5 9.c4 h4 10.b4 h3
0:09	4/10	0.16	958672		2...c5 3.Ke2 Kf6 4.h4 b5 5.hxg5+
					hxg5 6.f4 Rg7 7.g3 gxf4 8.gxf4
0:36	5/11	0.16	3410318		2...c5 3.Ke2 b5 4.f4 gxf4 5.Rxf4+
					Kg6 6.Ke3 a5 7.b3 c6 8.a3 Re7+
					9.Kd3 Kg5
1:33	6/12	0.17	8695347		2...c5 3.Ke2 Kf6 4.h4 Rd4 5.hxg5+
					hxg5 6.Ke3 Rd1 7.f4 Re1+ 8.Kd3
					Rd1+ 9.Kc4 gxf4 10.Rxf4+ Ke5

jm



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