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Subject: Re: Mate in 12, how long .......

Author: John Merlino

Date: 08:56:38 04/10/02

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On April 10, 2002 at 06:33:14, Kim Roper Jensen wrote:

>Hi
>
>Gentlemen start your engines....... :)
>
>[d]  n7/4K3/3N4/3kN3/3P4/4B3/4pP1p/8 w - -

Well, here's one that Chessmaster doesn't do very well on at all, taking 7:36 on
a PIII-733:

Time	Depth	Score	Positions	Moves
0:00	2/3	5.38	815		1.Ne8 Ke4 2.Nf6+ Kf5
0:00	3/4	4.57	1705		1.Ne8 Ke4 2.Nf6+ Kf5 3.Nh5 h1=N
0:00	4/5	4.49	4906		1.Ne8 Ke4 2.Nf6+ Kf5 3.Nh5 h1=N
					4.f3
0:00	5/6	7.23	17394		1.Ne8 Ke4 2.Nf6+ Kf5 3.Nh5 Ke4
					4.Ng3+ Kd5 5.Nxe2
0:00	6/7	7.77	40042		1.Ne8 Ke4 2.Nf6+ Kf5 3.Nh5 Ke4
					4.Ng3+ Kd5 5.Nxe2 Ke4 6.Ng3+ Kd5
					7.f4
0:01	7/8	7.71	159962		1.Ne8 Ke4 2.Nf6+ Kf5 3.Nh5 Ke4
					4.Ng3+ Kd5 5.Nxe2 Ke4 6.Ng4 h1=N
					7.Nc3+ Kf5
0:05	8/9	9.49	551736		1.Ne8 Ke4 2.Nf6+ Kf5 3.Nh5 Ke4
					4.Ng3+ Kd5 5.Nxe2 Ke4 6.Ng3+ Kd5
					7.Ng4 Nc7 8.Nxh2 Ne6
0:15	9/10	9.44	1949043		1.Ne8 Ke4 2.Nf6+ Kf5 3.Nh5 Ke4
					4.Ng3+ Kd5 5.Nxe2 Ke4 6.Ng3+ Kd5
					7.Ng4 Nb6 8.Nxh2 Nc8+ 9.Kf6 Nd6
0:53	10/11	9.54	6803134		1.Ne8 Ke4 2.Nf6+ Kf5 3.Nh5 Ke4
					4.Ng3+ Kd5 5.Nxe2 Ke4 6.Ng3+ Kd5
					7.Ng4 Nb6 8.Nxh2 Nc8+ 9.Kf6 Nd6
					10.Ng4
2:40	11/12	9.63	20400315	1.Ne8 Ke4 2.Nf6+ Kf5 3.Nh5 Ke4
					4.Ng3+ Kd5 5.Nxe2 Ke4 6.Ng3+ Kd5
					7.Ng4 Nb6 8.Nxh2 Nc8+ 9.Ke8 Nd6+
					10.Kd7 Nb5 11.Nf3 Nd6
7:36	12/13	Mate12	55564227	1.Ne8 Ke4 2.Nf6+ Kf5 3.Nh5 Ke4
					4.Ng3+ Kd5 5.Nxe2 Ke4 6.Nc3+ Kf5
					7.Nb5 Ke4 8.Nd6+ Kd5 9.Nd3 Kc6
					10.d5+ Kxd5 11.Nb4+ Ke5 12.f4#

jm



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