Author: Mike Byrne
Date: 09:21:21 01/30/06
Go up one level in this thread
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.
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