Zugzwang puzzles
Any move the opponent makes worsens their position.
How to spot it
Any move the opponent makes worsens their position. Often the winning move is one that passes the obligation to move to them.
Aback ChessAback ChessAny move the opponent makes worsens their position.
Any move the opponent makes worsens their position. Often the winning move is one that passes the obligation to move to them.