As a person who's going about trying to learn how to play the game, I've run into a number of basic axioms about things to do or not do as you play.  One such axiom has been that you want your King out of the center and safely castled if the game opens up.  Well, nothing like real world experience to show you just how important that rule can actually be.  Here's a 10 move checkmate that Little Chess Partner (Medium) handed to me.