What are the 4 rules for castling in chess?

What are the 4 rules for castling in chess?
What are the four rules for castling in chess?

The king and the rook may not have moved from their starting squares if you want to castle.
All spaces between the king and the rook must be empty.
The king cannot be in check.
The squares that the king passes over must not be under attack, nor the square where it lands on.

What are the four rules for castling in chess?
  • The king and the rook may not have moved from their starting squares if you want to castle.
  • All spaces between the king and the rook must be empty.
  • The king cannot be in check.
  • The squares that the king passes over must not be under attack, nor the square where it lands on.