About: http://webisa.webdatacommons.org/353423219

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	As mentioned in comments, staring at your opponent might off-balance some of them, just as behaving abnormally in anyway ??? constantly replacing pieces, or smiling as if there was a reason comes to mind.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com