Overview
The search command is not correct.COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND CPLUS AND S='Marshall's Chess "Swindles"'
atomic expression must have form 'field = value' [( COMMENTDATE >= $$NUMBER0 AND NOT K = $$STRING1 AND CPLUS AND S = $$STRING2 S CHESS " $$STRING3]