3322 real-game puzzles in this collection
What is a pin?
A pin freezes an enemy piece on a line because moving it would expose a more valuable piece behind it. An absolute pin, against the king, makes moving the pinned piece illegal; a relative pin merely makes it losing.
How to spot it
Trace every bishop, rook and queen line through enemy pieces toward the king or queen. When two enemy units share a line with your long-range piece, a pin is on the board or one move away.
What this set trains
Pin puzzles teach you to pile pressure on an immobilized target and to notice when a defender that looks solid is actually frozen.
Foundation: 347Developing: 701Challenging: 745Advanced: 1529
developing
Rating 1439
crushingdefensiveMovemaster
developing
Rating 1440
crushingendgamepin
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Rating 1440
advantageendgamelong
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Rating 1441
crushingendgamemaster
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Rating 1441
attractiondeflectionkingsideAttack
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Rating 1441
advancedPawncrushingendgame
developing
Rating 1442
clearanceendgamemate
developing
Rating 1443
crushingmiddlegamepin
developing
Rating 1443
endgamematemateIn2
developing
Rating 1443
crushingmiddlegamepin
developing
Rating 1444
endgamelongmate
developing
Rating 1447
advantagemiddlegamepin
developing
Rating 1447
advantageattractionendgame
developing
Rating 1447
advantageendgamepin
developing
Rating 1448
advantageendgamelong
developing
Rating 1448
advantageendgamepin
developing
Rating 1449
clearancecrushingendgame
developing
Rating 1449
crushingendgamepin
developing
Rating 1450
endgamematemateIn2
developing
Rating 1450
crushingendgamepin
developing
Rating 1450
advantageattractionlong
developing
Rating 1451
advantagemiddlegamepin
developing
Rating 1452
crushingdeflectionlong
developing
Rating 1452
advantagemiddlegamepin
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