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→Castling
====Castling ====
This is a double move (counting as one move) made with the king and one of the rooks, the purpose of which is to put the king in a safer place and to bring the rook into play. To castle, a player moves his king two squares in the direction of the rook and then the rook jumps over the king, landing on the square next to it.
[[File:Video Chess - Castling Moves.png|400px|center|thumb|Video Chess - Possible Castling Moves]]
In order for castling to be possible, all of the following conditions must be satisfied:
## Neither the king nor the rook involved may have moved earlier in the game.
## The squares between the king and the rook must all be empty.
## The opponent must not be attacking (checking) the king - more on this in a moment - and he must not be attacking the squares over which the king passes or the square on which it lands.
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