1068 real-game puzzles in this collection
What is a discovered check?
A discovered check unmasks a check from a rear piece while the front piece moves anywhere it likes. Because the king must answer the check, the moving piece can often capture or threaten with total impunity.
How to spot it
Whenever a piece of yours stands between your rook, bishop or queen and the enemy king, every square that piece can reach is a candidate for a devastating free move.
What this set trains
Solving these builds the reflex to hunt for masked batteries aimed at the king — one of the most forcing weapons in chess.
Foundation: 138Developing: 217Challenging: 209Advanced: 504
challenging
Rating 1888
advancedPawnadvantagecollinearMove
challenging
Rating 1897
discoveredAttackdiscoveredCheckenPassant
challenging
Rating 1900
discoveredCheckdoubleCheckmate
challenging
Rating 1900
crushingdiscoveredAttackdiscoveredCheck
challenging
Rating 1903
discoveredCheckdoubleCheckmate
challenging
Rating 1906
discoveredCheckdoubleCheckmate
challenging
Rating 1910
crushingdiscoveredCheckdoubleCheck
challenging
Rating 1914
discoveredAttackdiscoveredCheckkingsideAttack
challenging
Rating 1914
advantagediscoveredAttackdiscoveredCheck
challenging
Rating 1915
discoveredAttackdiscoveredCheckhookMate
challenging
Rating 1917
discoveredAttackdiscoveredCheckendgame
challenging
Rating 1919
crushingdiscoveredAttackdiscoveredCheck
challenging
Rating 1921
discoveredCheckdoubleCheckmate
challenging
Rating 1921
advantagediscoveredAttackdiscoveredCheck
challenging
Rating 1924
advantagediscoveredAttackdiscoveredCheck
challenging
Rating 1927
discoveredCheckdoubleCheckendgame
challenging
Rating 1928
advantageattractiondiscoveredAttack
challenging
Rating 1929
advantageattackingF2F7discoveredAttack
challenging
Rating 1931
crushingdiscoveredAttackdiscoveredCheck
challenging
Rating 1942
attractiondiscoveredCheckdoubleCheck
challenging
Rating 1947
discoveredAttackdiscoveredCheckexposedKing
challenging
Rating 1948
attractiondiscoveredCheckdoubleCheck
challenging
Rating 1949
attractiondiscoveredCheckdoubleCheck
challenging
Rating 1949
discoveredCheckdoubleCheckmate
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