Touch-move rule the player touches his rook at the same time as touching the king, he must castle with that rook if it is legal to do so. If the player completes a two-square king move without touching a rook, the player must move the correct rook accordingly if castling on that side is legal. Otherwise, the move must be withdrawn and another king move made. When a pawn is moved to its eighth , once the player takes his hand off the pawn, a different move of the pawn can no longer be substituted. However, the move is not complete until
Touch-move rule pieces, he must move it if it can be legally moved. So long as the hand has not left the piece on a new square, the latter can be placed on any accessible square. Accidentally touching a piece, e.g. brushing against it while reaching for another piece, does not count as a deliberate touch. If a player touches a hostile piece, then he must capture it if the piece can be captured. If a player touches one of his pieces and an opponent's piece, he must make that capture if it is a legal move. Otherwise, he is required to