Zugzwang: a theory course

In zugzwang, having to move makes a position worse. Use precise waiting moves and count pawn tempos.

4 lessons, each followed by its own puzzle drill, then 10 themed puzzle packs.

• Forced to Move, Forced to Lose — Give the opponent the move when every reply worsens its position.
• The Trébuchet — Count spare moves when the kings defend each other’s pawns.
• Mutual Zugzwang — Check which side loses by having to move.
• The Middlegame Squeeze — Use a waiting move when the opponent has no useful reply.