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Subject: Re: Test position - how long to see the draw ?

Author: John Merlino

Date: 15:32:34 09/24/04

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On September 24, 2004 at 18:08:57, Kim Roper Jensen wrote:

>[D]8/1p6/p7/2P5/1P1p1k1p/8/4KN2/8 w - - 0 1
>
>From a tournament game of mine - how long to see the draw ?
>Ruffian in my centrino 1.5Ghz seems to have a hard time .

CM9_SKR shows draw in four seconds on an AMD 2500:

Time	Depth	Score	Positions	Moves
0:00	1/3	0.46	455		1.Kd3 Kf3 2.Ne4
0:00	1/4	0.24	1179		1.Kd3 Kg3 2.Ne4+ Kg2 3.Kxd4 h3
0:00	1/4	0.25	1845		1.Kf1 Ke3 2.Ke1 d3
0:00	1/5	0.19	2757		1.Kf1 Ke3 2.Ke1 d3 3.Ng4+ Kf4
0:00	1/5	0.63	3435		1.Kd3 Kg3 2.Ne4+ Kg2 3.Ng5 h3 4.Nxh3
					Kxh3 5.Kxd4
0:00	1/6	0.63	5710		1.Kd3 Kg3 2.Ne4+ Kg2 3.Ng5 h3 4.Nxh3
					Kxh3 5.Kxd4
0:00	1/7	0.48	13172		1.Kd3 Kg3 2.Ne4+ Kg2 3.Ng5 h3 4.Nxh3
					Kxh3 5.Kxd4 Kg4
0:00	1/8	0.45	26637		1.Kd3 Kg3 2.Ne4+ Kg2 3.Ng5 h3 4.Nxh3
					Kxh3 5.Kxd4 Kg4 6.Ke4
0:01	2/9	0.48	57296		1.Kd3 Kg3 2.Ne4+ Kg2 3.Ng5 h3 4.Nxh3
					Kxh3 5.Kxd4 Kg4 6.Ke4 Kg5
0:01	3/10	0.45	85329		1.Kd3 Kg3 2.Ne4+ Kg2 3.Ng5 h3 4.Nxh3
					Kxh3 5.Kxd4 Kg4 6.Ke4 Kg5 7.Ke5
0:02	4/11	0.36	155825		1.Kd3 Kg3 2.Ne4+ Kf4 3.Nd2 h3 4.Nf1
					Kf3 5.Kxd4 Kg2 6.Ne3+ Kg1 7.Ng4
0:03	5/12	0.35	331737		1.Kd3 Kg3 2.Ne4+ Kf4 3.Nd2 h3 4.Nf1
					Kf3 5.Kxd4 Kg2 6.Ne3+ Kf3 7.Nf5
					h2 8.Nh4+ Kg3
0:04	6/13	0.00	698762		1.Kd3 Kg3 2.Ne4+ Kf4 3.Nd2 h3 4.Nf1
					Kf3 5.Kxd4 Kg2 6.Ne3+ Kf3 7.Nf1
0:08	7/14	0.00	1906404		1.Kd3 Kg3 2.Ne4+ Kf4 3.Nd2 h3 4.Nf1
					Kf3 5.Kxd4 Kg2 6.Ne3+ Kf3 7.Nf1
0:13	8/15	0.00	3730210		1.Kd3 Kg3 2.Ne4+ Kf4 3.Nd2 h3 4.Nf1
					Kf3 5.Kxd4 Kg2 6.Ne3+ Kf3 7.Nf1
0:25	9/16	0.00	7376535		1.Kd3 Kg3 2.Ne4+ Kf4 3.Nd2 h3 4.Nf1
					Kf3 5.Kxd4 Kg2 6.Ne3+ Kf3 7.Nf1
0:48	10/17	0.00	14967878	1.Kd3 Kg3 2.Ne4+ Kf4 3.Nd2 h3 4.Nf1
					Kf3 5.Kxd4 Kg2 6.Ne3+ Kf3 7.Nf1

jm



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