8.15.3 Can you answer these questions?

8.15.3.1 variable defined with a command (for exemple a random value) is not correctly stored in a lua list
8.15.3.2 How to display the start situation in an xskakloop
8.15.3.3 I am trying to create a descriptive table using Latex, Facing this difficulty while trying to align the table
8.15.3.1 variable defined with a command (for exemple a random value) is not correctly stored in a lua list

https://tex.stackexchange.com/landing/r/digest?cta=question&id=635463

I am writing random exercices for all students in a class, and i want to store the solutions to print them all at the end of the document (in final versions, each question will be printed in a ... 
[luatex] [expansion] [random]
 
asked by mathteacher https://tex.stackexchange.com/landing/r/digest?cta=user&id=242914 Score of 1
8.15.3.2 How to display the start situation in an xskakloop

https://tex.stackexchange.com/landing/r/digest?cta=question&id=635199

How can I display the start situation, for example the normal chessboard structure, in an xskakloop? 
So to speak as "Move 0". 
\documentclass[margin=5mm, varwidth]{standalone} 
\usepackage{... 
[chess] [chessboard] [xskak]
 
asked by cis https://tex.stackexchange.com/landing/r/digest?cta=user&id=46023 Score of 1
8.15.3.3 I am trying to create a descriptive table using Latex, Facing this difficulty while trying to align the table

https://tex.stackexchange.com/landing/r/digest?cta=question&id=635156

Here is the code written for the same, I've also attached the image of the output. Please suggest the necessary changes. 
\documentclass[landscape, 12pt]{article} 
\usepackage[table, svgnames, ... 
[tables] [longtable]
 
asked by Mudassir Shaikh https://tex.stackexchange.com/landing/r/digest?cta=user&id=264303 Score of 1
answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 Score of 0