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 2394
advancedPawncrushingendgame
advanced
Rating 2394
crushingendgameveryLong
advanced
Rating 2400
crushingendgamelong
advanced
Rating 2402
crushingendgamelong
advanced
Rating 2402
advantagedefensiveMoveendgame
advanced
Rating 2402
crushingendgamepawnEndgame
advanced
Rating 2403
crushingendgameknightEndgame
advanced
Rating 2405
crushingdefensiveMoveendgame
advanced
Rating 2409
crushingdefensiveMoveendgame
advanced
Rating 2409
crushingendgamelong
advanced
Rating 2411
crushingendgamelong
advanced
Rating 2412
crushingendgamemaster
advanced
Rating 2412
crushingendgamepawnEndgame
advanced
Rating 2413
crushingendgamepawnEndgame
advanced
Rating 2413
bishopEndgamecrushingendgame
advanced
Rating 2414
crushingdefensiveMoveendgame
advanced
Rating 2416
crushingdefensiveMoveendgame
advanced
Rating 2419
crushingendgamemaster
advanced
Rating 2419
crushingdefensiveMoveendgame
advanced
Rating 2420
crushingendgamelong
advanced
Rating 2421
crushingdefensiveMoveendgame
advanced
Rating 2421
crushingendgamequietMove
advanced
Rating 2421
crushingendgamelong
advanced
Rating 2422
crushingdefensiveMovedeflection
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