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 609
endgamematemateIn2
foundation
Rating 633
endgamemastermate
foundation
Rating 642
advancedPawncrushingendgame
foundation
Rating 659
matemateIn2middlegame
foundation
Rating 663
endgamemastermate
foundation
Rating 687
endgamemastermate
foundation
Rating 688
crushingendgamepin
foundation
Rating 694
endgamematemateIn1
foundation
Rating 700
advantageendgamelong
foundation
Rating 702
kingsideAttackmatemateIn2
foundation
Rating 702
advantageendgamemaster
foundation
Rating 708
matemateIn1middlegame
foundation
Rating 709
crushingendgamepin
foundation
Rating 715
endgamematemateIn2
foundation
Rating 723
advantagemiddlegamepin
foundation
Rating 741
kingsideAttackmatemateIn1
foundation
Rating 744
advantagemiddlegamepin
foundation
Rating 763
matemateIn1middlegame
foundation
Rating 765
mastermatemateIn1
foundation
Rating 777
advantagemiddlegamepin
foundation
Rating 779
crushingmastermiddlegame
foundation
Rating 784
crushingdefensiveMoveendgame
foundation
Rating 792
advantageendgamepin
foundation
Rating 792
matemateIn1middlegame
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