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 1681
crushingdefensiveMoveendgame
challenging
Rating 1681
crushingendgamelong
challenging
Rating 1689
advantagedeflectionendgame
challenging
Rating 1693
crushingendgamepawnEndgame
challenging
Rating 1698
crushingdefensiveMoveendgame
challenging
Rating 1706
crushingendgamepawnEndgame
challenging
Rating 1711
crushingdefensiveMoveendgame
challenging
Rating 1712
crushingendgamelong
challenging
Rating 1726
crushingdefensiveMoveendgame
challenging
Rating 1731
crushingendgamemaster
challenging
Rating 1734
crushingdefensiveMoveendgame
challenging
Rating 1734
crushingdeflectionendgame
challenging
Rating 1736
crushingendgamepawnEndgame
challenging
Rating 1739
crushingdefensiveMoveendgame
challenging
Rating 1742
advancedPawncrushingendgame
challenging
Rating 1747
crushingendgamepawnEndgame
challenging
Rating 1747
crushingendgamepawnEndgame
challenging
Rating 1751
crushingendgamelong
challenging
Rating 1754
crushingendgamelong
challenging
Rating 1754
crushingendgamelong
challenging
Rating 1759
crushingendgamelong
challenging
Rating 1761
crushingdefensiveMoveendgame
challenging
Rating 1781
crushingdefensiveMoveendgame
challenging
Rating 1790
crushingendgamepawnEndgame
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