About: http://webisa.webdatacommons.org/381901009

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	Hiarcs is the best engine, IMO.For playing correspondence, the Chess.com app is best.There are several choices for tactics training depending what you want.
http://www.w3.org/ns/prov#wasQuotedFrom	chess.com