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 1041
matemateIn1middlegame
foundation
Rating 1044
crushingendgamefork
foundation
Rating 1044
advantagemiddlegamepin
foundation
Rating 1045
advantageforkmaster
foundation
Rating 1046
crushingendgamepin
foundation
Rating 1047
crushingendgamepin
foundation
Rating 1049
crushingopeningpin
foundation
Rating 1050
crushingendgamepin
foundation
Rating 1051
kingsideAttackmatemateIn1
foundation
Rating 1054
crushingendgamemaster
foundation
Rating 1056
crushingendgamepin
foundation
Rating 1057
endgamematemateIn2
foundation
Rating 1058
matemateIn1middlegame
foundation
Rating 1058
crushingendgamepin
foundation
Rating 1059
advantageendgamelong
foundation
Rating 1061
advantageendgamepin
foundation
Rating 1062
mastermatemateIn1
foundation
Rating 1062
crushingendgamepin
foundation
Rating 1065
advantagemiddlegamepin
foundation
Rating 1069
endgamematemateIn2
foundation
Rating 1071
advantagemiddlegamepin
foundation
Rating 1071
advantageendgamepin
foundation
Rating 1073
endgamematemateIn2
foundation
Rating 1075
backRankMatedeflectionendgame
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