Why you should almost never advance the soldier on f7!
You know in chess, your entire army works as a team!! But sometimes a piece rebels against the king. They are out to cause trouble! Either that or they made the wrong move at the wrong time! In this case the f7 pawn made the same mistake! Or they were just trying to be nice! But turned out being mean! The f7 pawn fell for the same trap in this little game