Author: leonid
Date: 17:00:24 10/02/01
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On October 02, 2001 at 10:07:56, Paul wrote: >On October 01, 2001 at 12:56:43, leonid wrote: > >>Hello! >> >>Today I wanted to put some simple mate position. This one, at least, have very >>unsophisticated shape. >> >>[D]8/8/3QQQQK/3nbrpn/3pQQBQ/3bQrqq/3qRqNB/3qRnNk w - - >> >>Please indicate your result. >> >>If you happened to have some version of Chess Master that do brute force search, >>please find for me time that it take for him to find mate in 4 and 5 moves for >>this position. I need this in order to have some idea what is his branching >>factor. I tried to do this myself with CM5000, that I have, but found no >>possibility to indicate my position. Since CM is the most performant and the >>most frequently mentioned program that solve the mate, I would like to know his >>basic mate solving capability. >> >>Thanks, >>Leonid. > >Hi! Hi! >Haven't got CM6000 installed at the moment, and don't remember if it's got a >mate level search, but John Merlino is the best person to answer that. > >For Pretz this is a difficult problem, for now it finds this: > >06:18 WM9 11 Nxh3 Ndxf6 Bxf3 Ng4+ Qfxg4 Bg7+ Qxg7 Rf6+ Qgxf6 Bxe4 Nxf2+ Qxf2 >Nf4+ Bxf3 Qgxf3+ Qxf3 Qxf3# >20:52 WM8 11 Bxf3 Ndxf6 Bxg3 Ng4+ Qfxg4 Bg7+ Qxg7 Rf6+ Qgxf6 Nh2 Nf4+ Nxf3 >Qgxh3+ Qh2 Qxh2# I am not sure what you found but mine looked only by selective. I don't know what is the minimal number of moves for this position. Mate by selective was found 10 move deep. It took pretty long time - 66 seconds. Cheers, Leonid. >Groetjes, >Paul
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