Connected passed pawns
Passed pawns and outside passed pawns are all helpful but connected passed pawns are just as good! They can protect each other and are virtually unstoppable. It is when you have 2 or more connecting passed pawns that are ready to march up the board. They can also immobolize kings and win you many games. Here are an example:Connected passed pawns can protect each other and stop the enemy king from getting near. They can also free your king from protecting them. Here are connected passed pawns protecting each other:
They are great assets and that is why most people don't want their opponent to get them. They are big trouble! Hope you like it.