Situation that occured during a game I played today. Should be fairly easy, but good practice for beginners I think.

That was easy but a really good puzzle people need to know how to work in that spot most of the time people do not know what to do and it end's up in a draw

nice:)

This is important to remember. You usually have to spend more precious time if you are not familiar with the passed pawn.

3. a7 works as well.

passed pawns =)