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
foundation
Rating 991
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 991
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 994
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 996
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 996
crushingdiscoveredCheckdoubleCheck
foundation
Rating 998
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1000
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1008
advancedPawncrushingdiscoveredAttack
foundation
Rating 1014
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1017
advantagediscoveredAttackdiscoveredCheck
foundation
Rating 1018
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1034
advantagediscoveredAttackdiscoveredCheck
foundation
Rating 1037
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1038
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1038
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1041
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1049
discoveredAttackdiscoveredCheckendgame
foundation
Rating 1051
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1051
bishopEndgamecrushingdiscoveredAttack
foundation
Rating 1054
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1054
advantagediscoveredAttackdiscoveredCheck
foundation
Rating 1055
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1057
advantagediscoveredAttackdiscoveredCheck
foundation
Rating 1058
bishopEndgamecrushingdiscoveredAttack
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