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 792
advantagemastermiddlegame
foundation
Rating 797
crushingendgamepin
foundation
Rating 801
crushingendgamepin
foundation
Rating 802
kingsideAttackmatemateIn1
foundation
Rating 808
matemateIn1middlegame
foundation
Rating 815
matemateIn1middlegame
foundation
Rating 818
endgamematemateIn1
foundation
Rating 820
crushingdefensiveMoveendgame
foundation
Rating 823
crushingmiddlegamepin
foundation
Rating 825
crushingendgamehangingPiece
foundation
Rating 838
advancedPawncrushingendgame
foundation
Rating 841
endgamelongmate
foundation
Rating 849
advantagemiddlegamepin
foundation
Rating 850
crushingendgamepin
foundation
Rating 851
crushingforkmiddlegame
foundation
Rating 853
endgamematemateIn2
foundation
Rating 858
advantageendgamepin
foundation
Rating 863
crushingmiddlegamepin
foundation
Rating 868
matemateIn1oneMove
foundation
Rating 868
advantageendgamepin
foundation
Rating 873
matemateIn1middlegame
foundation
Rating 879
endgamematemateIn1
foundation
Rating 885
advantageclearanceendgame
foundation
Rating 886
kingsideAttackmatemateIn1
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