More constrains does not necessary translate to less choices. And even when it does, less choices do not necessary make it an easier game. For example: I remov

More constrains does not necessary translate to less choices. And even when it does, less choices do not necessary make it an easier game. For example: I remove undo move, then you certainly have less choices but, the game is harder( even for a computer ), since you have to remember previous states which were previously accessible via undo.