An html version of ManyChecks.cql. Created by Gady Costeff and Lewis Stiller.

 :pgn heijden.pgn
 :output manychecks.pgn
 :forany checker A
   :attackcount $checker k 1
   :matchcount 30 1000)

After executing this with "> cql ManyChecks.cql" there are 61 studies found in the Harold van der Heijden Database 2015.
NB. When you see {MATCH} in the text, it means that cql has found the position asked for.

Below only 5 studies are presented: