What is castling in chess? Castling in chess is the process when king and rook change their places in accordance with the rules of chess castling. There are two kinds of castling – to king syde and to the queen side.
According to chess castnig rules – castling is the move of the king. And king can’t make this move if the check is or one of the cells on the way is under attack.
On the diagram is shown chess castling rule.