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Questions tagged [cql]

For questions about the Chess Query Language, which lets you find positions or moves satisfying certain criteria within a large database of chess games or studies.

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What is the CQL syntax for combinations where king is checked along a file, and the square near it is attacked by bishop or queen?

I am looking to search for combinations similar to the one in Karpov - Taimanov, 1977 - a knight check, is followed by opening of an 'h' file, and the rook comes with decisive effect because attacker'...
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1answer
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Is CQL executable available anwhere online?

This article and some questions on this forum - mention http://www.rbnn.com/cql/ as a source for getting cql.exe, but that domain seems unclaimed at the moment. Is this executable available anywhere ...
8
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How to search a chess database for exchange sacrifices?

I am looking for a way within any of the common chess packages to search for a specific maneuver - rook takes bishop that is protected (i.e. an exchange sacrifice)? I've heard of CQL, but never used, ...