Chess Puzzle 3

So, that was pretty easy. That was from http://chesspuzzles.com/mate-in-three

Here is a hard one:

Amazing! That was from: http://www.chess.com/forum/view/more-puzzles/the-best-and-most-difficult-chess-puzzles-ever

I just had to do this one too. It is from the same site:

Chess... A beautiful game of masterminds.