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MatPlus.Net Forum Internet and Computing PDB query
 
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(1) Posted by Ian Shanahan [Sunday, Jul 26, 2015 05:57]

PDB query


In searching through the PDB, how does one filter out all fairy conditions and fairy units?
 
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(2) Posted by Joost de Heer [Sunday, Jul 26, 2015 08:20]

All fairy compositions should have the keyword 'Fairy', so "AND NOT K='Fairy'" after your query should do the trick.
 
 
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(3) Posted by Ian Shanahan [Monday, Jul 27, 2015 04:56]

Thanks, Joost. Sadly your suggestion does not work. I typed in "STIP='ser' AND K='Valladao' AND NOT K='Fairy'" and 74 problems were listed - many of which had Fairy conditions and/or Fairy pieces.
 
   
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(4) Posted by Joost de Heer [Monday, Jul 27, 2015 10:28]; edited by Joost de Heer [15-07-27]

For anything else than series movers, "AND NOT G='Fairies'" seems to work. But unfortunately, series movers are mostly classified as fairies in PDB.....
 
   
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(5) Posted by Vitaly Medintsev [Monday, Jul 27, 2015 11:08]

Here one can find all search expressions in PDB http://pdb.dieschwalbe.de/article.jsp?idx=3
Fairy pieces may be specified in search query, for instance PIECE='Taxi'
 
   
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(6) Posted by Andrew Buchanan [Monday, Jul 27, 2015 11:48]

The keywords/genre assignments in PDB are not perfect. That's part of PDB's charm - it is a communally curated entity. Normally when I am browsing PDB I will correct errors as I come across them. Missing Fairy genre is very common. So get yourself a curator account, and join in the fun. :-)
 
 
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MatPlus.Net Forum Internet and Computing PDB query