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
developing
Rating 1479
attractioncrushingfork
developing
Rating 1480
crushingendgamelong
developing
Rating 1480
matemateIn1oneMove
developing
Rating 1481
endgamematemateIn2
developing
Rating 1481
advantageendgamepin
developing
Rating 1481
advantageattractionfork
developing
Rating 1482
advantagemastermiddlegame
developing
Rating 1482
advantagemastermiddlegame
developing
Rating 1482
advantagedeflectionexposedKing
developing
Rating 1483
crushingendgamelong
developing
Rating 1486
matemateIn2middlegame
developing
Rating 1486
advantageendgamelong
developing
Rating 1487
advantageendgamepin
developing
Rating 1487
matemateIn2middlegame
developing
Rating 1487
matemateIn2middlegame
developing
Rating 1488
advantageforklong
developing
Rating 1489
crushingdeflectionendgame
developing
Rating 1489
endgamematemateIn2
developing
Rating 1490
advantageendgamelong
developing
Rating 1491
advantagemastermiddlegame
developing
Rating 1491
advantageendgamepin
developing
Rating 1492
advantagemiddlegamepin
developing
Rating 1492
crushingmiddlegamepin
developing
Rating 1494
matemateIn2middlegame
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