PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • On your second question, how to apply learnings from watching other people's games to your own games, I have found it useful to look at two types of games from which to extract lessons:
http://www.w3.org/ns/prov#wasQuotedFrom
  • chess.com