729 real-game puzzles in this collection
What is a zugzwang?
Zugzwang wins by giving the opponent the move when every legal reply worsens their position. It is the signature weapon of pawn and minor-piece endgames.
How to spot it
In simplified positions, ask what the opponent would play if forced to move. When every answer loses, engineer that exact position — often with a quiet waiting move.
What this set trains
These puzzles build endgame patience: winning with tempo and geometry instead of direct attack.
Foundation: 42Developing: 61Challenging: 131Advanced: 495
challenging
Rating 1969
crushingendgameknightEndgame
challenging
Rating 1969
crushingdefensiveMoveendgame
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Rating 1970
crushingendgamelong
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Rating 1972
crushingdefensiveMoveendgame
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Rating 1972
crushingendgamepawnEndgame
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Rating 1974
crushingdefensiveMoveendgame
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Rating 1976
crushingendgamepawnEndgame
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Rating 1979
crushingendgamepawnEndgame
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Rating 1979
crushingdefensiveMoveendgame
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Rating 1981
crushingendgamelong
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Rating 1983
crushingdefensiveMoveendgame
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Rating 1985
crushingendgamelong
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Rating 1989
crushingendgamepawnEndgame
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Rating 1990
crushingendgamepawnEndgame
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Rating 1990
crushingendgamepawnEndgame
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Rating 1993
crushingendgamemaster
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Rating 1999
crushingdefensiveMoveendgame
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Rating 1999
crushingendgamelong
advanced
Rating 2000
crushingendgamepawnEndgame
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Rating 2001
crushingdefensiveMoveendgame
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Rating 2007
crushingendgamepawnEndgame
advanced
Rating 2007
crushingendgamepawnEndgame
advanced
Rating 2007
crushingdefensiveMoveendgame
advanced
Rating 2009
crushingdefensiveMoveendgame
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