What is castling in chess
- Castling is a move in the game of chess in which a player moves the king two squares toward a rook on the same rank and moves the rook to the square that the king has crossed. It is the only move in chess in which a player moves two pieces in the same move, and it is the only two-square king move.
what are the necessary conditions for doing that ?
- a chessboard and chess pieces
