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Subject: Re: Mate to solve for champions...

Author: leonid

Date: 13:08:26 05/01/01

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On May 01, 2001 at 15:13:16, Paul wrote:

>On May 01, 2001 at 07:55:26, leonid wrote:
>
>>On May 01, 2001 at 01:02:33, Paul Byrne wrote:
>>
>>>That was a tough one!  My PN search went through 512MB of memory without solving
>>>it.  PN2 got Qbxd8+ winning in 1316.46 seconds (100043829 nodes) -- the PN2 code
>>
>>Hi, Paul!
>>
>>What is PN2?
>>
>>Your move is what mine found.
>>
>>Your solution was quick compared with mine. I actually had the impression that
>>this position contain the mate and asked to search this position. Very deep
>>selective search, 13 moves deep. Left my solver thinking in the night. Celeron
>>600Mhz. No hash. It took almost 4 hours (3 h 56 min) to solve in 13 moves. But
>>at what depth your found? Maybe your said that mate existe in 12 or even 11.
>>
>>Cheers,
>>Leonid.
>
>Hi Leonid!
>
>I hope you're not confusing Paul Byrne and me (just Paul) ... because it was me
>who said in a joke after finding a mate in 13, that I thought it probably was a
>mate in 12.
>
>I wrote that because often after I've posted one of my solutions, Heiner comes
>along with his superior Champion! :) solver Chest, posting a mate in at least
>one move less than mine. So I'm more or less convinced that whenever I find a
>mate, the shortest solution will be (at least) one move shorter.
>
>Paul Byrne's program is called G2K, mine is Pretz ... ok, just to clear that up!
>But maybe you weren't confused, in that case I didn't write this! ;)
>
>Salut!,
>Paul

Thanks, Paul, for explaining! I laughed a little bit. You have "bad chance" to
have the same name with many talented people. I even  know one that was born
before you. This one is from Bible.

Salut, Paul!
Leonid.



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