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Subject: Re: try this one....

Author: John Merlino

Date: 14:28:27 04/16/05

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On April 16, 2005 at 17:15:21, F. Huber wrote:

>On April 16, 2005 at 16:24:31, John Merlino wrote:
>
>>Just for fun, I made a few tiny adjustments to the position, and came up with
>>this:
>>
>>[D]8/8/pp1p4/6p1/2ppK1Pk/3P3P/5PP1/8 w - - 0 1
>>
>>After playing around with several lines, I'm guessing that this is a Mate for
>>White in no less than 20 moves. The King can't find it easily unless I push all
>>the way past White's 8th move, and then it says Mate in 14.
>>
>>White has to spend a lot more time in this position ensuring that he wins the
>>pawn race AND avoids stalemate.
>>
>>What does your awesome machine say? How about ChestUCI, Franz?
>
>"awesome"? My old Celeron/400? LOL!
>
>Well, I´ve tried it now (#22) with almost the same parameters as for the
>original #13, but had no luck yet. :-(
>
>This seems to be a lot harder, and maybe the restriction K=1 (i.e. black king
>can´t move at all) won´t hold any longer for _this_ position.

You're correct, it will no longer hold. To avoid stalemate, White will have to
play g3+, allowing Kxh3 and Kxg4. Eventually, there will only be 5-6 men on the
board, so tablebases might help.

>Of course I´ll try it again (with less restrictive parameters), but that might
>take rather long time - don´t expect too much from my ´awesome´ machine ... ;-)

I was referring to Mike's awesome machine, and your awesome program. :-)

jm



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