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 1300
advantagemiddlegamepin
developing
Rating 1302
endgamematemateIn2
developing
Rating 1302
mastermatemateIn1
developing
Rating 1302
advantageendgamelong
developing
Rating 1303
advantagemiddlegamepin
developing
Rating 1303
crushinghangingPiecemiddlegame
developing
Rating 1304
capturingDefenderequalitykingsideAttack
developing
Rating 1304
advantagemiddlegamepin
developing
Rating 1304
crushingmiddlegamepin
developing
Rating 1305
advantagemiddlegamepin
developing
Rating 1306
longmastermate
developing
Rating 1306
advantageattractionendgame
developing
Rating 1306
advantagekingsideAttackmiddlegame
developing
Rating 1306
longmatemateIn3
developing
Rating 1307
matemateIn1middlegame
developing
Rating 1309
crushinghangingPiecemiddlegame
developing
Rating 1309
mastermatemateIn2
developing
Rating 1310
advantagemastermiddlegame
developing
Rating 1311
clearancecrushinglong
developing
Rating 1311
crushingendgamemaster
developing
Rating 1312
crushingdefensiveMoveendgame
developing
Rating 1312
advantagemiddlegamepin
developing
Rating 1312
advantagemiddlegamepin
developing
Rating 1312
crushingdefensiveMoveendgame
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