About: http://webisa.webdatacommons.org/377201551

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	During the opening and middle game the King is a piece that needs to be protected against checkmate at all cost.
http://www.w3.org/ns/prov#wasQuotedFrom	wikibooks.org