Question (69/78)
Which of the following condition must be true to be able to make a Castling move in game of Chess ?(A) Neither of the pieces involved in castling may have been previously moved during the game
(B) There must be no pieces between the king and the rook
(C) The king may not be in check, nor may the king pass through squares that are under attack by enemy pieces, nor move to a square where it is in check
(D) All of these
Question (70/78)
How many times Castling moves are allowed in one game of chess ?(A) One
(B) Two
(C) Four
(D) Any number of times