PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The pin is a move that forces a piece to stay on a certain square because if it were to be moved a more valuable piece would be captured.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chess.com