Author: James T. Walker
Date: 14:08:44 02/07/01
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On February 07, 2001 at 13:10:33, Uri Blass wrote: >On February 07, 2001 at 12:45:31, Alan Grotier wrote: > >>On February 06, 2001 at 17:53:02, Torstein Hall wrote: >> >>>Of course they can, but take a look at the following postion I found at Tim >>>Krabbes http://www.xs4all.nl/~timkr/chess2/diary.htm web site. >>> >>>[D]5k2/2Q5/8/8/5p2/5P2/5P2/K7 w - - 0 1 >>> >>>Fritz and friends with 5 man table bases all want to play the "obvious" 1.Qf7+ >>>and mate in 25 or 26! :-o) What a ugly move to play! >>> >>>This feels like proof that chess computers should not be allowed to use opening >>>books or endgame tables, if they ever want to play something looking like human >>>chess, that is! >>> >>>Torstein >> >>Fritz 5.32 plays instantly K-b2 and announces mate in 5 >>alain > >Fritz5.32 does not use tablebases so there is no reason to expect it to >sacrifice the queen. > >Programs with the full 5 piece tablebases have also no problem to avoid >sacrificing the queen. > >Uri Hello Uri, Fritz 5.32 does use tablebases but I think only after getting down to 5 men or less. It's interesting that Shredder 5 plays Kb2 and announces Mate in 20. Then on the second move it plays Kc3 and announces mate in 5. So it is only slightly confused by the tablebases. Rebel Century 3.0 goes 18 ply and cannot find a mate. At 19 ply it plays Qxp and announces mate in 18 (no tablebases here). Jim
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