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Chess Query Language (CQL)

Chess Query Language (CQL) was designed to allow researchers, authors, and players to search for games, problems, and studies that match specific themes. Rybka Aquarium supports CQL searches. You specify the theme you are looking for, and the database to look for them. Then you run this CQL query . This creates a list that has all the games matching your theme. CQL can find much more complex themes than any other chess database search method. You can find a description of CQL format at:

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