Author: Uri Blass
Date: 23:24:47 08/09/03
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On August 09, 2003 at 19:11:16, Harald Faber wrote: >On August 09, 2003 at 05:55:43, Tony Hedlund wrote: > >>How can J8 allow game 14 to end as a draw? > > >This is no serious question, isn't it? >It has been posted and mentioned approx. 1,000,000 times. It is the problem of >incomplete tablebases. AFAIK you/SSDF uses the "Fritz Endgame Turbo". Based on >the Chessbase marketing it consists of 4 CD-roms with "the most important >endgame tablebases". Based on what you saw in this game, what many many others - >include me - have seen in similar positions, it is crap. >Let me ask you a question. If your answer is yes, do I win a price? >Here is the US-$1,000,000 question: >Are you missing at least one of these files in your tablebase-directory? > >kqbkp.nbb.emd >kqbkp.nbw.emd >kqbkn.nbb.emd >kqbkn.nbw.emd >kqbkb.nbb.emd >kqbkb.nbw.emd >kqbkr.nbb.emd >kqbkr.nbw.emd >kqbkq.nbb.emd >kqbkq.nbw.emd > > >If you had them all(!), Junior 8 would have mated. Did you look at the game? Junior8 blundered in a position when there were 6 pieces in the board and there was no winning capture that leads directly to tablebase position (the only possible capture in the game QxP could lead to a draw and Junior8 did not draw because of playing it) Here is the final position [D]2Q5/1K4p1/4pk2/8/8/8/7B/8 w - - 0 92 Are you sure that the problem is a tablebases problem? I think that the problem is the engine and I also do not agree that the ssdf has to give the engines all the tablebases because a good engine should know to play with part of the tablebases. Uri
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