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 1326
discoveredAttackinterferencemate
developing
Rating 1327
advancedPawnendgamemate
developing
Rating 1327
advantageendgamemaster
developing
Rating 1327
hangingPiecemastermate
developing
Rating 1328
crushingendgamelong
developing
Rating 1328
crushingmiddlegamepin
developing
Rating 1329
crushingendgamelong
developing
Rating 1329
crushingendgamelong
developing
Rating 1330
crushingendgamekingsideAttack
developing
Rating 1330
advantagemiddlegamepin
developing
Rating 1330
advantagemiddlegamepin
developing
Rating 1332
matemateIn1middlegame
developing
Rating 1332
advancedPawnadvantagedeflection
developing
Rating 1334
endgamematemateIn2
developing
Rating 1334
crushingendgamepin
developing
Rating 1334
matemateIn1middlegame
developing
Rating 1334
endgamematemateIn1
developing
Rating 1335
advancedPawnadvantagediscoveredAttack
developing
Rating 1335
crushingendgamepin
developing
Rating 1336
crushingendgamepin
developing
Rating 1337
advantagelongmiddlegame
developing
Rating 1337
capturingDefendercrushingmiddlegame
developing
Rating 1338
crushingendgamelong
developing
Rating 1338
crushingendgamepin
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