Author: Jeremiah Penery
Date: 04:45:39 02/04/00
Go up one level in this thread
On February 03, 2000 at 17:25:38, Dann Corbit wrote:
>On February 03, 2000 at 17:08:37, Amir Ban wrote:
>
>>
>>There's an article by Nunn & Friedel in the latest ICCAJ called "Brains of the
>>Earth" on a contest to solve 6 very hard king & pawn endings. The article says
>>solving this suite in 24 hours was an exceptional achievement, and Kasparov made
>>an amazing achievement of solving it in 45 minutes. It's also possible to
>>understand from the article that Hiarcs could not solve the set.
>>
>>So I set up the EPD, intending to let Junior think about it all night, but I was
>>surprised to find that Junior (no tablebases) can find all 6 key moves in less
>>than 2 minutes each.
>>
>>Here is the EPD:
>>
>>6k1/6p1/8/4K1P1/8/7P/8/8 w - - ; bm Kf4;
>Crafty had a particularly fascinating reaction to this one. I'm not sure that
>Kf4 is ideal. Consider the following:
<snip>
> 28 12.25 -- 1. Kf4
> 28 12.89 2.08 1. Kf4 Kf8 2. Kg4 Kg8 3. g6 Kh8 4.
> Kf5 Kg8 5. h4 Kh8 6. h5 Kg8 7. Ke5
> Kh8 8. Kd6 Kg8 9. Kd5 Kf8 10. Ke6 Kg8
> 11. Kf5 Kf8 12. Kf4 Ke8 13. Kg5 Kf8
> 14. h6 Kg8
>{Kf4 is sinking like a stone, but h4 goes through the roof! And g6 is pegging
>the CPU for a long time so I'll bet it is even better when the wash is through.)
> 28 12.93 ++ 1. h4!!
> 28 7:30 4/9 1. g6
Running this one with the KPPKP TB really helps. :))
Kf4 is the _only_ move that leads to a win. h4 and g6 only draw, as does every
other move.
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