Author: Roberto Waldteufel
Date: 19:29:18 10/09/98
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On October 09, 1998 at 20:21:50, Robert Hyatt wrote: >On October 09, 1998 at 18:05:18, Bruce Moreland wrote: > >> >>On October 09, 1998 at 17:33:07, James T. Walker wrote: >> >>>Is there a practical use for tablebases like the KBKN or KBKB etc. ? Am I >>>making a mistake by not using all the available tablebases ? >>>Jim Walker >> >>Those are probably not important. >> >>If you use something like KP vs K, make sure you have KQ vs K, or you might >>experience strange behavior as the program might forget that it should promote. >> >>bruce > > >Crafty won't even probe things like KB vs KN, it has what Ernst would call >an "interior node recognizer" that classifies such positions as draw, >without needing to do a probe of any kind. So if using Crafty, you can >delete those..., although you would need them to construct other >databases... Hi Bob, These are certainly drawn for practcal purposes, but mate positions do exist, so classifying these as draws without any testing for this could on rare occasions overlook a silly mate in one. Do you test for this in Crafty? Roberto
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