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Subject: Re: try this one....

Author: F. Huber

Date: 15:38:24 04/16/05

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On April 16, 2005 at 18:22:59, John Merlino wrote:

>On April 16, 2005 at 18:16:22, F. Huber wrote:
>
>>On April 16, 2005 at 17:28:27, John Merlino wrote:
>>
>>>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.
>>
>>Stalemate??? Do you want to say that in your solution mate has to capture
>>almost all black pawns, even the ones an a/b-line?
>>Then your way of solution must really be completely different than the one
>>for the original #13, and I´ve absolutely no idea how it might look like.
>>OTOH if the black king captures h3/g4-pawns, how should he be mated then -
>>at least in ´only´ 22 moves?
>>
>>Would be interesting to see your solution ...
>>
>>Franz.

That´s really a brilliant solution, John! ;-)



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