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 930
advantageopeningpin
foundation
Rating 936
matemateIn1middlegame
foundation
Rating 936
advantageopeningpin
foundation
Rating 938
endgamematemateIn2
foundation
Rating 938
crushingdiscoveredAttackmiddlegame
foundation
Rating 943
advantagemastermiddlegame
foundation
Rating 944
crushingmiddlegamepin
foundation
Rating 944
endgamematemateIn1
foundation
Rating 944
crushingendgamepin
foundation
Rating 945
advantagemastermiddlegame
foundation
Rating 945
advantagemiddlegamepin
foundation
Rating 953
crushingendgamepin
foundation
Rating 954
crushingmiddlegamepin
foundation
Rating 954
deflectionendgamemate
foundation
Rating 956
crushingendgamepin
foundation
Rating 956
advantagemastermiddlegame
foundation
Rating 956
advantagekingsideAttackmiddlegame
foundation
Rating 958
advantagediscoveredAttackkingsideAttack
foundation
Rating 959
advancedPawnmatemateIn1
foundation
Rating 960
crushingendgamelong
foundation
Rating 961
matemateIn1oneMove
foundation
Rating 964
crushingendgamepin
foundation
Rating 966
crushingendgamepin
foundation
Rating 969
endgamematemateIn2
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