{"id":"S00007347","label":"Blackmar-Diemer gambit (Chess)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh00007347","normalized_label":"blackmar-diemer gambit (chess)","broader":["http://id.loc.gov/authorities/subjects/sh98001391"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh00007347","provider":"lcsh","revision":"4b6bd732ae99481f","taxonomy_revision":"f050b5d4780b1289","title":"Blackmar-Diemer gambit (Chess)","url":"/topics/S00007347","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9799982322811142208","address_version":"morton4x16-v1","coordinates":[0,0,114,52224],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}