King activity refers to the extent to which the king is involved in the game and how actively it is participating in the game. A king that is active and involved in the game can be a powerful tool for creating threats, controlling key squares and ultimately winning the game. In this video, we will be exploring the importance of king activity in a game of chess and how it can be used to your advantage. You will learn about the different ways in which a king can be active, including castling, centralization and the use of the king in a pawn structure.