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 1269
crushingmiddlegamepin
developing
Rating 1269
crushingendgamelong
developing
Rating 1272
advantageopeningpin
developing
Rating 1273
advantageendgamepin
developing
Rating 1273
advantageendgamepin
developing
Rating 1273
deflectionendgamemate
developing
Rating 1273
matemateIn2middlegame
developing
Rating 1274
crushingendgamepin
developing
Rating 1274
advantageendgamepin
developing
Rating 1277
crushingendgamepin
developing
Rating 1277
advantagemiddlegamepin
developing
Rating 1278
matemateIn2middlegame
developing
Rating 1278
mastermasterVsMastermate
developing
Rating 1279
advantageendgamelong
developing
Rating 1279
crushingendgamelong
developing
Rating 1279
advantageattractionendgame
developing
Rating 1281
advantageclearancelong
developing
Rating 1281
advantagemiddlegamepin
developing
Rating 1282
advantageendgamemaster
developing
Rating 1283
advantagelongmiddlegame
developing
Rating 1284
endgamematemateIn2
developing
Rating 1284
crushingdefensiveMovelong
developing
Rating 1284
mastermatemateIn1
developing
Rating 1284
advantageattractiondeflection
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