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 1352
matemateIn1middlegame
developing
Rating 1353
advantageendgamepin
developing
Rating 1354
crushingendgamepin
developing
Rating 1354
advantagelongmiddlegame
developing
Rating 1354
advantagemiddlegamepin
developing
Rating 1354
advantageendgamefork
developing
Rating 1354
advantagemiddlegamepin
developing
Rating 1355
crushingendgamepin
developing
Rating 1355
crushingmiddlegamepin
developing
Rating 1355
matemateIn1middlegame
developing
Rating 1356
crushingopeningpin
developing
Rating 1356
crushingmiddlegamepin
developing
Rating 1357
crushingmiddlegamepin
developing
Rating 1357
advantageendgamepin
developing
Rating 1357
matemateIn2middlegame
developing
Rating 1357
endgamematemateIn1
developing
Rating 1357
advantagedefensiveMoveendgame
developing
Rating 1358
crushingendgamekingsideAttack
developing
Rating 1358
crushingendgamelong
developing
Rating 1359
advantagedefensiveMoveendgame
developing
Rating 1359
crushingendgamepin
developing
Rating 1360
advantageendgamelong
developing
Rating 1360
discoveredAttackkingsideAttackmate
developing
Rating 1360
advantageendgamepin
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