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 1211
advantagekingsideAttacklong
developing
Rating 1212
crushingendgamelong
developing
Rating 1214
crushingendgamefork
developing
Rating 1214
advantagemiddlegamepin
developing
Rating 1216
deflectionendgamemate
developing
Rating 1218
advantagemastermiddlegame
developing
Rating 1218
epauletteMatematemateIn1
developing
Rating 1219
advantagemiddlegamepin
developing
Rating 1219
attractionmatemateIn2
developing
Rating 1220
matemateIn2middlegame
developing
Rating 1220
deflectionendgamelong
developing
Rating 1221
crushinglongopening
developing
Rating 1222
advantagemiddlegamepin
developing
Rating 1224
advancedPawncrushingendgame
developing
Rating 1224
advantageendgamepin
developing
Rating 1225
matemateIn2middlegame
developing
Rating 1227
endgamematemateIn2
developing
Rating 1229
crushingdiscoveredAttackmiddlegame
developing
Rating 1230
deflectionlongmate
developing
Rating 1232
crushingendgamepin
developing
Rating 1232
crushingmiddlegamepin
developing
Rating 1234
crushingmiddlegamepin
developing
Rating 1235
advantagediscoveredAttackexposedKing
developing
Rating 1237
advantageendgamepin
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