In the endgame, sometimes the best move is one that forces your opponent to move.

Zugzwang occurs when every possible move your opponent can make worsens their position. By "wasting" a move or making a slight adjustment, you force them to step away from a key square or weaken their defense.

While there is no specific public record of a series titled , the name implies a tactical breakdown of final-phase maneuvers in high-stakes competition—most commonly associated with chess or complex strategy games .

A passed pawn forces your opponent to use their most powerful remaining pieces just to block its path, leaving the rest of the board vulnerable. 3. The Principle of Two Weaknesses