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 1522
advantagelongmiddlegame
developing
Rating 1523
advantageopeningpin
developing
Rating 1523
mastermatemateIn1
developing
Rating 1523
advantageendgamepin
developing
Rating 1523
crushingdefensiveMoveendgame
developing
Rating 1525
advantagekingsideAttacklong
developing
Rating 1526
kingsideAttackmatemateIn1
developing
Rating 1527
endgamematemateIn2
developing
Rating 1528
advantagemiddlegamepin
developing
Rating 1528
crushingmiddlegamepin
developing
Rating 1529
advantageforklong
developing
Rating 1529
kingsideAttackmatemateIn2
developing
Rating 1530
endgamematemateIn2
developing
Rating 1531
advantagelongmiddlegame
developing
Rating 1532
endgameequalitypin
developing
Rating 1532
crushingendgamepin
developing
Rating 1534
matemateIn2middlegame
developing
Rating 1534
advantagemiddlegamepin
developing
Rating 1534
endgamematemateIn1
developing
Rating 1535
crushingdefensiveMovelong
developing
Rating 1536
kingsideAttackmatemateIn1
developing
Rating 1536
crushingendgamemaster
developing
Rating 1536
advantageendgamefork
developing
Rating 1536
crushingoneMoveopening
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