Author: Ernst A. Heinz
Date: 00:48:47 03/05/99
Go up one level in this thread
On March 05, 1999 at 03:18:25, Steffen Jakob wrote: >On March 05, 1999 at 02:51:09, blass uri wrote: > >> >>On March 05, 1999 at 01:04:23, Steffen Jakob wrote: >> >>>On March 04, 1999 at 09:03:23, Steffen Jakob wrote: >>> >>>>Hi all, >>>> >>>>I added the "bm" attributes to the endgame test collection which Jouni posted. >>> >>>Jouni, position #1 is a draw. Kc2 doesn´t win. I also noticed that other >>>positions have more than one solution. >>> >>>Greetings, >>>Steffen. >> >>This is the relevant position >>5k2/8/8/8/8/2P5/8/3K4 w - - 0 1 >>Kc2 is winning. >>For example 1.Kc2 Ke7 2.Kb3 Kd6 3.Kb4 Kc6 4.Kc4 >> >>I think that tablebases can tell in how many moves it is a mate. > >Bob confirmed that it is a tablebase draw. The key squares of the pawn c3 are >b5,c5,d5. The position that Jouni and Uri gave is a win -- mate in 22. Maybe you got the FEN wrong in your file, Steffen? =Ernst=
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