Author: Johan de Koning
Date: 23:45:00 01/30/04
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On January 29, 2004 at 18:38:39, Ed Trice wrote: >I am wondering if someone could tell me how Eugene's databases remove the >illegal positions where one side is in check and it is the other side's turn to >move. > >Are they "left in there" and just never accessed? > >Also, I think I have a solution to remove every illegal/impossible chess >position from the databases, not just the king_king illegal adjacencies. Forget about index condensation, it's counter-productive. Learn about compression instead. An excellent starting point is the compression FAQ. Hoping this quote is still valid: | This file is part 1 of a set of Frequently Asked Questions (FAQ) for | the groups comp.compression and comp.compression.research. If you | can't find part 2 or 3, see item 53 below. A copy of this FAQ is available | by ftp in ftp://rtfm.mit.edu/pub/usenet/news.answers/compression-faq/ | files part1 to part3. This FAQ is also accessible in the World Wide Web at | http://www.cs.ruu.nl/wais/html/na-dir/compression-faq/.html I'm sure you will be amazed, then inspired, and eventually happy. >Any reply would be greatly appreciated. Don't challenge me! :-) ... Johan
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