I think if the position has already passed in the game, i think figuring out what move would have been better is fine, because they can't change their previous moves (if that's what you mean).
(sakla) If you only look at some of the discussion boards on a regular basis you can add them to your favourite boards list by going to the Board page and clicking "Add to my favourite boards". (pauloaguia) (Bütün ipuçlarını göster)