Author: Robert Hyatt
Date: 19:16:07 05/24/01
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On May 24, 2001 at 16:32:52, Günther Simon wrote: >This interesting position below happened in a match between F6 and ChessTiger14 >and it was a matter of some questions about the right access towards >the EGTBS by CT14 under CB GUIs in the CSS-Forum. >My Chessbase CT14 shows after some time a mate in 95! by Kf7 and Ncb8 >but testing it with the latest CB-Native Crafty18.08 the result given >by it was(around the same time as CT14) mate in 100!! >So now I am curious about the exact length of it in this position. >My first idea was to download the given 6piece at Bobs site but I had recognize >(with some disappointment;) that this special file does not exist there..uhuuhu >Maybe its because of the two pawns on one side in it and therefore it is on >the long long "not really urgent to do list"?! >If anyone knows about this file in the net please tell meeee! >Otherwise I would appreciate to know the naked truth about the length of >this mate as I could not sleep before knowing it :)) >But I strongly doubt anyone knows this <b>without</b> having that TB... >6k1/1P6/n1n5/P7/8/8/3K4/8 b - - 0 1 > >Regards, >Günther Simon I ran this thru my "horse" of a machine with all the 3-4-5 piece files ready... it quickly finds a mate in 100, then at about the 30 second mark it drops to mate in 99, and sticks there thru 20 plies. The issue here is that it sees a transition to 5 pieces after 16 plies. The mate score beyond that point is certainly correct... the question is, is there a faster transition (forced) to 5 pieces or is there a longer transition to a 5-piece ending that is a much quicker mate?
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