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 1119
discoveredCheckdoubleCheckmate
foundation
Rating 1120
discoveredAttackdiscoveredCheckmate
foundation
Rating 1127
advantagediscoveredAttackdiscoveredCheck
foundation
Rating 1129
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1131
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1134
advantagediscoveredAttackdiscoveredCheck
foundation
Rating 1134
advantagediscoveredAttackdiscoveredCheck
foundation
Rating 1138
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1140
discoveredAttackdiscoveredCheckmate
foundation
Rating 1141
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1148
crushingdiscoveredCheckdoubleCheck
foundation
Rating 1155
crushingdiscoveredCheckdoubleCheck
foundation
Rating 1156
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1158
discoveredCheckdoubleCheckmate
foundation
Rating 1165
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1166
discoveredAttackdiscoveredCheckendgame
foundation
Rating 1166
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1170
advantagediscoveredAttackdiscoveredCheck
foundation
Rating 1170
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1173
advantagediscoveredAttackdiscoveredCheck
foundation
Rating 1174
advantagediscoveredAttackdiscoveredCheck
foundation
Rating 1174
discoveredAttackdiscoveredChecklong
foundation
Rating 1175
crushingdiscoveredAttackdiscoveredCheck
foundation
Rating 1175
crushingdiscoveredAttackdiscoveredCheck
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