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
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Rating 1580
advantagelongmiddlegame
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Rating 1581
crushingdiscoveredAttackexposedKing
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Rating 1583
attractioncrushingexposedKing
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Rating 1583
endgamelongmate
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Rating 1583
clearanceendgamelong
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Rating 1583
advantageopeningpin
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Rating 1584
advantageendgamepin
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Rating 1584
longmatemateIn3
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Rating 1585
advantagemiddlegamepin
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Rating 1587
advantageendgamepin
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Rating 1587
crushingendgamemaster
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Rating 1587
advantagemiddlegamepin
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Rating 1587
crushingendgamepin
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Rating 1588
endgameepauletteMatelong
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Rating 1588
advancedPawncrushingendgame
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Rating 1588
advantagelongmiddlegame
developing
Rating 1589
crushingmiddlegamepin
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Rating 1589
matemateIn1middlegame
developing
Rating 1591
advantageendgamemaster
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Rating 1591
crushingendgamepin
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Rating 1592
advantagelongmaster
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Rating 1593
crushingmiddlegamepin
developing
Rating 1593
advantageendgamelong
developing
Rating 1593
endgamelongmate
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