Zugzwang
SITUATION IN CHESS AND OTHER GAMES THAT FORBID PASSING, WHEREIN ONE PLAYER IS PUT AT A DISADVANTAGE BY THE OBLIGATION TO MAKE A MOVE
Mined squares; Squeeze (chess); Mined square; Reciprocal zugzwang; Mutual zugzwang; Zugszwang; Zug Zwang; Zugswang; Zugzwang Lite
Zugzwang (German for "compulsion to move", ) is a situation found in chess and other turn-based games wherein one player is put at a disadvantage because of their obligation to make a move; a player is said to be "in zugzwang" when any legal move will worsen their position.