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 1452
advantageclearancelong
developing
Rating 1452
matemateIn1oneMove
developing
Rating 1453
hangingPiecemastermate
developing
Rating 1454
crushingmastermiddlegame
developing
Rating 1454
crushingendgamepin
developing
Rating 1454
advantageendgamepin
developing
Rating 1456
advantagemiddlegamepin
developing
Rating 1456
crushingendgamelong
developing
Rating 1457
advantagekingsideAttackmaster
developing
Rating 1457
advantagemiddlegamepin
developing
Rating 1458
advantageendgamepin
developing
Rating 1459
crushingmastermiddlegame
developing
Rating 1460
advantageattractiondeflection
developing
Rating 1460
deflectionlongmate
developing
Rating 1460
mastermatemateIn2
developing
Rating 1461
crushingdiscoveredAttackendgame
developing
Rating 1462
crushingmiddlegamepin
developing
Rating 1462
advantageforkmiddlegame
developing
Rating 1462
crushingmiddlegamepin
developing
Rating 1464
crushingmiddlegamepin
developing
Rating 1465
attackingF2F7crushingdiscoveredAttack
developing
Rating 1465
endgamelongmate
developing
Rating 1465
advantagedeflectionendgame
developing
Rating 1465
crushingkingsideAttacklong
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