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
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Rating 2436
crushingdiscoveredAttackdiscoveredCheck
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Rating 2437
crushingdiscoveredAttackdiscoveredCheck
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Rating 2439
crushingdiscoveredAttackdiscoveredCheck
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Rating 2440
crushingdiscoveredAttackdiscoveredCheck
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Rating 2441
crushingdiscoveredAttackdiscoveredCheck
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Rating 2446
advantagediscoveredAttackdiscoveredCheck
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Rating 2447
advancedPawnattractioncrushing
advanced
Rating 2447
advantagediscoveredAttackdiscoveredCheck
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Rating 2448
crushingdiscoveredAttackdiscoveredCheck
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Rating 2449
attractioncrushingdiscoveredCheck
advanced
Rating 2449
advantagediscoveredAttackdiscoveredCheck
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Rating 2452
crushingdiscoveredAttackdiscoveredCheck
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Rating 2455
advantagediscoveredAttackdiscoveredCheck
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Rating 2456
crushingdefensiveMovediscoveredAttack
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Rating 2457
crushingdiscoveredAttackdiscoveredCheck
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Rating 2458
attractiondiscoveredAttackdiscoveredCheck
advanced
Rating 2461
crushingdiscoveredAttackdiscoveredCheck
advanced
Rating 2461
crushingdiscoveredAttackdiscoveredCheck
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Rating 2463
advancedPawncrushingdiscoveredAttack
advanced
Rating 2463
advancedPawnattractioncrushing
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Rating 2464
crushingdiscoveredAttackdiscoveredCheck
advanced
Rating 2467
advantagediscoveredAttackdiscoveredCheck
advanced
Rating 2468
advantagedeflectiondiscoveredAttack
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Rating 2472
advantagediscoveredAttackdiscoveredCheck
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