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 1135
crushingendgamepin
foundation
Rating 1136
crushingmiddlegamepin
foundation
Rating 1137
crushingendgamepin
foundation
Rating 1138
crushingopeningpin
foundation
Rating 1138
advantageopeningpin
foundation
Rating 1139
advantagelongmiddlegame
foundation
Rating 1140
deflectionendgamemate
foundation
Rating 1140
discoveredAttackdiscoveredCheckmate
foundation
Rating 1141
crushingendgamepin
foundation
Rating 1142
advantagelongmiddlegame
foundation
Rating 1143
advantageendgamepin
foundation
Rating 1144
advantageforkmiddlegame
foundation
Rating 1144
crushingmiddlegamepin
foundation
Rating 1144
matemateIn1oneMove
foundation
Rating 1145
matemateIn1oneMove
foundation
Rating 1147
advancedPawncrushingendgame
foundation
Rating 1147
crushingmiddlegamepin
foundation
Rating 1148
endgamematemateIn1
foundation
Rating 1151
advantagekingsideAttackmiddlegame
foundation
Rating 1153
crushingendgamefork
foundation
Rating 1153
advantageendgamemaster
foundation
Rating 1154
crushingmiddlegamepin
foundation
Rating 1154
crushingendgamelong
foundation
Rating 1155
crushingendgamepin
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