Smothered mate
Whenever you're way down in material and you only have a knight, smothered mate is what you should be aiming for.
Smothered mate is when you checkmate with the knight. Of course, this hardly happens unless your opponent commits a blunder, but there should always be hope.
The most common example of smothered mate...
Another example of smothered mate...
Sometimes, you can do smothered mate without being down in material...