I will give the solutions in the next post.
First, you have to find how to save the draw here:
Then, find the only move that gives mate in 2 (very hard):
Now, try to take advantage of the situation as White, even if your position looks quite shaky:
Try to win this endgame, you will need to be very precise:
And last, an easy one that everybody should now, what is the right move to play with Black: