Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Mate in 12 challenge for CHEST

Author: John Merlino

Date: 12:06:44 10/17/02

Go up one level in this thread


On October 17, 2002 at 01:09:45, Jouni Uski wrote:

>And other programs as well.
>
>[D]rnbQKbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBqkBNR w - -
>
>Alybadix 2002 solves this in unbelievable 21,3 sec (Athlon 1466 Mhz). Look at
>http://www.saunalahti.fi/~iblom/alybadix/ex2002.htm
>
>Jouni
>
>PS. Solution of course Nc3!

Chessmaster 9000, on a P4-2.66, announces Mate in 12 in 37 seconds:

Time	Depth	Score	Positions	Moves
0:00	1/3	0.76	2898		1.Nc3 Nf6+ 2.Kxf7 Qxc2 3.Nf3+ Kxf2
					4.d3 Nc6 5.Qxc7
0:00	1/3	3.83	7867		1.Nf3+ Kxf2 2.Ne5 Qxf1 3.Rxf1+
					Kxf1 4.Qxc8 Nc6
0:00	1/4	4.68	38924		1.Nf3+ Kxf2 2.Qxc7 d6 3.Qc4 Bd7+
					4.Kxf8 Nf6+ 5.Kxf7 Be8+ 6.Kxe7
0:00	1/5	4.86	80634		1.Nf3+ Kxf2 2.Qxc7 d6 3.Qc4 Bd7+
					4.Kxf8 Nf6+ 5.Kxf7 Be8+ 6.Kxe7
					Nc6+ 7.Ke6 Bd7+ 8.Kxd6
0:00	1/6	4.45	184174		1.Nf3+ Kxf2 2.Qxc7 d6 3.Qc4 Bd7+
					4.Kxf8 Nh6+ 5.Kxg7 Nf5+ 6.Kxh8
					Be6 7.Qc3 Nd7+ 8.Kxh7 Nf6+ 9.Qxf6
					exf6
0:04	1/7	3.36	1103502		1.Nf3+ Kxf2 2.Qxc7 d6 3.Qxc8 Na6
					4.Qxa8 Nc7+ 5.Kxf8 Nh6+ 6.Kxg7
					Rxa8 7.Na3
0:06	1/7	3.41	1607606		1.Qxc7 d6 2.Qxc8 Na6 3.Qxa8 Nc7+
					4.Kxf8 Nf6+ 5.Kxf7 Rxa8 6.Nf3+
					Kxf2 7.Na3
0:11	1/7	6.13	2650166		1.Nc3 Nf6+ 2.Kxf7 Qxc2 3.d3 Kxf1
					4.Nh3+ Kxg2 5.Bg5 Kxh3 6.Qxc7 Qxd3
					7.exd3 e5 8.Bxf6
0:17	1/8	6.18	4636449		1.Nc3 Nf6+ 2.Kxf7 Kxf1 3.Nf3+ Kxg2
					4.Rxd1 Nc6 5.Qxc7 e5 6.d4 Bb4 7.Nh4+
					Kh3 8.dxe5
0:37	1/9	Mate12	10132787	1.Nc3 Nf6+ 2.Kxf7 Kxf1 3.Nf3+ Kxg2
					4.Rxd1 Nc6 5.Rg1+ Kxf2 6.Nd1+ Kxe2
					7.Nd4+ Nxd4 8.Qxc7 d6 9.Qc4+ Kf3
					10.Qd3+ Kf4 11.Qe3+ Kf5 12.Rg5#
0:43	1/10	Mate12	12287252	1.Nc3 Nf6+ 2.Kxf7 Kxf1 3.Nf3+ Kxg2
					4.Rxd1 Nc6 5.Rg1+ Kxf2 6.Nd1+ Kxe2
					7.Nd4+ Nxd4 8.Qxc7 d6 9.Qc4+ Kf3
					10.Qd3+ Kf4 11.Qe3+ Kf5 12.Rg5#

jm



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.