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
foundation
Rating 999
advantagelongmiddlegame
foundation
Rating 999
advantagemiddlegamepin
foundation
Rating 999
advantagemastermiddlegame
foundation
Rating 1000
crushingendgamemaster
foundation
Rating 1000
crushinglongmiddlegame
foundation
Rating 1000
crushingendgamelong
foundation
Rating 1001
endgamematemateIn1
foundation
Rating 1002
advantageendgamepin
foundation
Rating 1002
advantageendgamepin
foundation
Rating 1002
crushingmiddlegamepin
foundation
Rating 1003
crushingmiddlegamepin
foundation
Rating 1004
crushingendgamepin
foundation
Rating 1004
crushingmiddlegamepin
foundation
Rating 1004
endgamematemateIn2
foundation
Rating 1004
crushingkingsideAttackmiddlegame
foundation
Rating 1006
capturingDefendercrushingendgame
foundation
Rating 1007
clearancematemateIn2
foundation
Rating 1007
advantageendgamepin
foundation
Rating 1008
crushingmastermiddlegame
foundation
Rating 1011
crushingmiddlegamepin
foundation
Rating 1011
matemateIn1middlegame
foundation
Rating 1013
matemateIn2middlegame
foundation
Rating 1013
advantagemiddlegamepin
foundation
Rating 1013
mastermatemateIn1
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