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 1192
crushingendgamemaster
foundation
Rating 1193
crushingmiddlegamepin
foundation
Rating 1194
advancedPawncrushingendgame
foundation
Rating 1195
crushingendgamepin
foundation
Rating 1195
endgamematemateIn2
foundation
Rating 1196
advantageendgamepin
foundation
Rating 1196
crushingendgamelong
foundation
Rating 1197
mastermasterVsMastermate
foundation
Rating 1198
advantagelongmiddlegame
foundation
Rating 1198
advantagediscoveredAttackmiddlegame
foundation
Rating 1199
advantageendgamelong
developing
Rating 1200
crushingendgamemaster
developing
Rating 1200
crushingmiddlegamepin
developing
Rating 1202
advancedPawnadvantagemaster
developing
Rating 1202
crushingendgamefork
developing
Rating 1204
matemateIn1oneMove
developing
Rating 1206
matemateIn2middlegame
developing
Rating 1207
crushingendgamekingsideAttack
developing
Rating 1207
advantageopeningpin
developing
Rating 1208
advantagediscoveredAttackmaster
developing
Rating 1208
crushingendgamemaster
developing
Rating 1208
crushingdefensiveMovemiddlegame
developing
Rating 1209
clearancelongmate
developing
Rating 1210
advantageendgamepin
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