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 1609
crushingdiscoveredAttackdiscoveredCheck
challenging
Rating 1611
crushingdiscoveredAttackdiscoveredCheck
challenging
Rating 1612
discoveredAttackdiscoveredCheckkingsideAttack
challenging
Rating 1613
discoveredCheckdoubleCheckmate
challenging
Rating 1615
discoveredCheckdoubleCheckmate
challenging
Rating 1615
advantagediscoveredCheckdoubleCheck
challenging
Rating 1618
advantageattractiondiscoveredAttack
challenging
Rating 1620
crushingdiscoveredAttackdiscoveredCheck
challenging
Rating 1634
discoveredCheckdoubleCheckkingsideAttack
challenging
Rating 1635
discoveredCheckdoubleCheckendgame
challenging
Rating 1636
attractiondiscoveredCheckdoubleCheck
challenging
Rating 1639
crushingdiscoveredAttackdiscoveredCheck
challenging
Rating 1640
advancedPawncollinearMovediscoveredCheck
challenging
Rating 1644
advantagediscoveredAttackdiscoveredCheck
challenging
Rating 1645
advancedPawnadvantagedeflection
challenging
Rating 1648
crushingdiscoveredAttackdiscoveredCheck
challenging
Rating 1648
discoveredCheckdoubleCheckmate
challenging
Rating 1651
advancedPawndeflectiondiscoveredCheck
challenging
Rating 1651
crushingdiscoveredAttackdiscoveredCheck
challenging
Rating 1655
discoveredCheckdoubleCheckmate
challenging
Rating 1657
advancedPawndiscoveredCheckdoubleCheck
challenging
Rating 1660
clearancediscoveredAttackdiscoveredCheck
challenging
Rating 1662
discoveredCheckdoubleCheckmaster
challenging
Rating 1663
advancedPawnbishopEndgamecrushing
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