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 1509
endgamematemateIn1
developing
Rating 1510
advantageendgamepin
developing
Rating 1510
advantageendgamelong
developing
Rating 1510
advantageforklong
developing
Rating 1510
attractioncrushingkingsideAttack
developing
Rating 1511
kingsideAttackmatemateIn2
developing
Rating 1512
advantagemiddlegamepin
developing
Rating 1512
attractioncrushingfork
developing
Rating 1515
crushingmiddlegamepin
developing
Rating 1515
advantageendgamefork
developing
Rating 1516
crushingdefensiveMoveendgame
developing
Rating 1517
kingsideAttackmatemateIn1
developing
Rating 1517
advantageattractionexposedKing
developing
Rating 1518
crushingmiddlegamepin
developing
Rating 1518
kingsideAttackmatemateIn2
developing
Rating 1519
deflectionkingsideAttackmate
developing
Rating 1519
advantagemiddlegamepin
developing
Rating 1520
endgamemastermate
developing
Rating 1520
advantageendgamelong
developing
Rating 1521
crushingmiddlegamepin
developing
Rating 1521
advantageendgamepin
developing
Rating 1521
crushingendgamemaster
developing
Rating 1522
crushingdeflectionkingsideAttack
developing
Rating 1522
advantageexposedKinglong
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