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Subject: Re: test position

Author: John Merlino

Date: 21:31:14 08/04/05

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On August 04, 2005 at 22:25:46, Jon Dart wrote:

>from a game Yace-Arasan, a surprising move:
>
>[D] 2k5/p2r1r2/8/1qN5/1ppB4/5bPB/1P3P1P/R4RK1 b - -
>
>Kb8! Crafty takes about 45 seconds to find this
>(at ply 12) on my Athlon XP 2500. Chess Tiger takes
>about 10 seconds. Arasan has trouble with this,
>although it eventually finds it.
>
>--Jon

Five seconds for CM9_R1 on a P4-2.4:

Time	Depth	Score	Positions	Moves
0:00	1/3	3.59	1600		1...Qb6 2.Nxd7 Qxd4 3.Ne5+ Kb7
					4.Nxf7 Qxb2
0:00	1/3	1.73	2936		1...a5 2.Rae1 Bc6 3.Re8+ Kc7 4.Nxd7
					Bxd7
0:00	1/4	1.74	6950		1...a5 2.Rae1 Bc6 3.Re8+ Kc7 4.Be5+
					Kb6 5.Nxd7+ Bxd7
0:00	1/5	1.90	25430		1...a5 2.Rfe1 Kc7 3.Nxd7 Rxd7 4.Bxd7
					Qxd7
0:00	1/6	2.01	64575		1...a5 2.Rfe1 Kc7 3.Nxd7 Rxd7 4.Bxd7
					Qxd7 5.Bf6
0:01	1/6	1.38	161677		1...Rh7 2.Rxa7 Rxh3 3.Rxd7 Rh5
					4.Rf7 Qc6
0:01	1/7	1.84	193692		1...Rh7 2.Rxa7 Rxh3 3.Rxd7 Rh5
					4.Rf7 Qc6 5.Re1
0:02	1/8	1.78	381461		1...Rh7 2.Rxa7 Rxh3 3.Rxd7 Rh5
					4.Rf7 Qc6 5.Re1 Bd5
0:05	1/8	1.21	986705		1...Kb8 2.Be5+ Ka8 3.Nxd7 Rxd7
					4.Rae1 Rd5 5.Bf6 c3
0:08	1/9	0.72	1486893		1...Kb8 2.Be5+ Ka8 3.Nxd7 Rxd7
					4.Rfe1 Rd2 5.Bf6 c3 6.Bf1 Qc6
0:14	1/10	0.79	2852885		1...Kb8 2.Be5+ Ka8 3.Nxd7 Rxd7
					4.Rfe1 Rd2 5.Re3 Qd5 6.Ra6 Qd7
0:37	1/11	0.73	7292197		1...Kb8 2.Be5+ Ka8 3.Nxd7 Rxd7
					4.Rae1 Rd2 5.Re3 c3 6.Rxf3 Qxe5
					7.Rf8+ Kb7

jm



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