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Subject: Re: Here: It is a mate in 18 Right of course! Sorry!

Author: chandler yergin

Date: 14:40:37 01/30/06

Go up one level in this thread


On January 30, 2006 at 12:21:21, Mike Byrne wrote:

>On January 30, 2006 at 11:56:20, chandler yergin wrote:
>
>>On January 30, 2006 at 11:45:41, Robert Hyatt wrote:
>>
>>>On January 30, 2006 at 10:14:53, chandler yergin wrote:
>>>
>>>>On January 30, 2006 at 07:07:06, Mike Byrne wrote:
>>>>
>>>>>On January 30, 2006 at 05:50:04, chandler yergin wrote:
>>>>>
>>>>>>On January 30, 2006 at 05:26:12, Mike S. wrote:
>>>>>>
>>>>>>>Paste the FEN string
>>>>>>>
>>>>>>>8/8/8/6N1/8/3kn3/4nKn1/8 b - - 0 1
>>>>>>>
>>>>>>>into that web page:
>>>>>>>
>>>>>>>http://chess.jaet.org/cgi-bin/dtx
>>>>>>>
>>>>>>>Black to move, DTM (distance to mate) = 18
>>>>>>
>>>>>>Obviously NOT forced!  Keep trying.
>>>>>>;)
>>>>>>Chan
>>>>>>
>>>>>It's forced alright.  Not sure why you don't think it is.
>>>>Analysis by Shredder 8:
>>>>
>>>>1...Nh4 2.Ne4 Ng4+ 3.Kf1 Ke3 4.Nd2 Nd4 5.Ke1 Kd3 6.Kd1 Ne3+ 7.Kc1 Nhg2
>>>>-+  (-10.66)    Depth: 32/66   01:07:20  2431231kN, tb=49150885
>>>>(,  30.01.2006)
>>>>
>>>>
>>>>
>>>>If Shredder can't find at Depth 32/66 it's not there.
>>>>It has EGTB's too.
>>>
>>>I'll ask yet again.  Please stop jumping into threads where you don't have a
>>>clue about the topic.
>>>
>>>A mate in 18 will typically need a maximum search depth of 36 plies to find it.
>>>32 plies is less than 36 plies.  You didn't let shredder go deep enough to prove
>>>there is no mate.  Even worse, since shredder uses forward pruning, there is no
>>>telling how deep it might have to go to find that mate...
>>>
>>>I don't know why you keep jumping into random threads, and trying to argue a
>>>point that has nothing to do with anything, offering evidence that is clearly
>>>worthless.  It needs to stop.  Sooner rather than later...
>>
>>I had a logical reason to believe the position was not a Mate in 18.
>>I did Shredder analysis to verify.
>> Depth: 32/66   01:07:20  2431231kN, tb=49150885
>>After tb access of over 49 million times it did not find a Mate.
>
>Shredder must have a bug -- try contacting the author since it is forced and
>Shredder can't see it.
This is a "Pawnless" 6 piece endgame"
I did not think it through, and I apologize for Butting into the Thread!
Thanks for understanding!
Best Regards,
Chan



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