"2016-08-19" . "17067186"^^ . . . . . "Yearbook of the United States chess federation. - . - VIAF. - http://viaf.org/viaf/141864296. - 2016-08-19"@fr . . . . . "United States chess federation"@fr . "US Chess federation"@fr . . . "2016-08-19" . . . "1939"^^ . "USCF"@fr . . . "United States chess federation"@fr . . . . . . .