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 1790
crushingdefensiveMoveendgame
challenging
Rating 1799
crushingendgamepawnEndgame
challenging
Rating 1800
crushingendgamelong
challenging
Rating 1814
crushingdefensiveMoveendgame
challenging
Rating 1814
crushingendgamepawnEndgame
challenging
Rating 1816
crushingendgamelong
challenging
Rating 1823
crushingdefensiveMoveendgame
challenging
Rating 1825
crushingendgamepawnEndgame
challenging
Rating 1827
crushingendgamepawnEndgame
challenging
Rating 1835
crushingdefensiveMoveendgame
challenging
Rating 1842
crushingdefensiveMoveendgame
challenging
Rating 1844
crushingendgamepawnEndgame
challenging
Rating 1846
crushingendgamelong
challenging
Rating 1849
crushingendgamepawnEndgame
challenging
Rating 1850
crushingendgamelong
challenging
Rating 1851
crushingendgamepawnEndgame
challenging
Rating 1864
crushingdefensiveMoveendgame
challenging
Rating 1864
crushingdefensiveMoveendgame
challenging
Rating 1865
crushingdefensiveMoveendgame
challenging
Rating 1866
crushingendgamepawnEndgame
challenging
Rating 1868
crushingdefensiveMoveendgame
challenging
Rating 1869
bishopEndgamecrushingendgame
challenging
Rating 1870
crushingendgamerookEndgame
challenging
Rating 1877
crushingdefensiveMoveendgame
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