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
foundation
Rating 692
crushingendgamepawnEndgame
foundation
Rating 757
crushingendgamepawnEndgame
foundation
Rating 800
crushingendgamepawnEndgame
foundation
Rating 800
crushingendgamepawnEndgame
foundation
Rating 813
crushingendgamemaster
foundation
Rating 831
crushingendgamemaster
foundation
Rating 881
crushingdefensiveMoveendgame
foundation
Rating 884
crushingendgamehangingPiece
foundation
Rating 892
crushingendgamepawnEndgame
foundation
Rating 896
crushingendgamemaster
foundation
Rating 899
crushingendgamepawnEndgame
foundation
Rating 904
crushingendgamelong
foundation
Rating 932
crushingendgamepawnEndgame
foundation
Rating 942
advantageendgamelong
foundation
Rating 944
crushingendgamepawnEndgame
foundation
Rating 964
crushingendgamepawnEndgame
foundation
Rating 990
bishopEndgamecrushingendgame
foundation
Rating 1019
crushingendgamelong
foundation
Rating 1035
crushingdefensiveMoveendgame
foundation
Rating 1048
crushingendgamelong
foundation
Rating 1053
crushingendgamepawnEndgame
foundation
Rating 1054
crushingendgamelong
foundation
Rating 1063
crushingdefensiveMoveendgame
foundation
Rating 1066
crushingendgamelong
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