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
advanced
Rating 2222
crushingendgamelong
advanced
Rating 2223
advancedPawnadvantagediscoveredAttack
advanced
Rating 2224
crushingmiddlegamepin
advanced
Rating 2225
clearancecrushingmiddlegame
advanced
Rating 2226
advantagekingsideAttacklong
advanced
Rating 2226
capturingDefendercrushinglong
advanced
Rating 2227
crushingmastermiddlegame
advanced
Rating 2227
advantageendgamelong
advanced
Rating 2228
advantagemiddlegamepin
advanced
Rating 2228
advantageendgameexposedKing
advanced
Rating 2230
crushinglongmiddlegame
advanced
Rating 2231
advantagemiddlegamepin
advanced
Rating 2231
advantageclearancekingsideAttack
advanced
Rating 2232
crushingendgamepin
advanced
Rating 2232
advancedPawncrushingendgame
advanced
Rating 2233
advantageexposedKinglong
advanced
Rating 2233
advantageattractionendgame
advanced
Rating 2234
crushinghangingPiecelong
advanced
Rating 2234
crushinglongmiddlegame
advanced
Rating 2234
crushingmastermiddlegame
advanced
Rating 2234
advantagediscoveredAttackexposedKing
advanced
Rating 2235
advantageforkmiddlegame
advanced
Rating 2237
advantageexposedKinglong
advanced
Rating 2238
discoveredCheckdoubleCheckmate
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