About: http://webisa.webdatacommons.org/249484245

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	Looking at numbers of players, I think there is a statistical method of estimating the average strenght of the (say) top twenty players of that time.
http://www.w3.org/ns/prov#wasQuotedFrom	chess.com