Submitted by György Chityil ... on Fri, 01/19/2018 - 22:05 Hierarchy: NounDescription: {{chess}} A chess puzzle in which a number of moves are retracted and the solver is challenged to reach an alternate outcome.Ngram: retractorNgram Text: retractorSource: WiktionaryIssue: 0Wiktionary tag: chessNgram Count: 1