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
advanced
Rating 2116
crushingendgamemaster
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Rating 2119
crushingdefensiveMoveendgame
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Rating 2122
crushingdefensiveMoveendgame
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Rating 2122
crushingdefensiveMoveendgame
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Rating 2125
crushingendgamepawnEndgame
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Rating 2131
crushingendgamelong
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Rating 2134
crushingendgamepawnEndgame
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Rating 2138
crushingdefensiveMoveendgame
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Rating 2143
advancedPawncrushingdefensiveMove
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Rating 2148
crushingdefensiveMoveendgame
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Rating 2148
crushingendgamepawnEndgame
advanced
Rating 2153
crushingdefensiveMoveendgame
advanced
Rating 2154
crushingendgamepawnEndgame
advanced
Rating 2154
crushingdefensiveMoveendgame
advanced
Rating 2154
crushingdefensiveMoveendgame
advanced
Rating 2155
crushingdefensiveMoveendgame
advanced
Rating 2155
crushingdefensiveMoveendgame
advanced
Rating 2159
crushingendgamemaster
advanced
Rating 2159
crushingdefensiveMoveendgame
advanced
Rating 2161
crushingendgamepawnEndgame
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Rating 2164
bishopEndgamecrushingdefensiveMove
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Rating 2164
crushingendgamepawnEndgame
advanced
Rating 2171
crushingdefensiveMoveendgame
advanced
Rating 2172
crushingendgamelong
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