Useful mating patterns. I had something similar to the 2nd puzzle a recent game.

http://www.chess.com/echess/game.html?id=44923224

Hum....

1. It is actually mate in three, but not the way you made it, since black can play Re8 before Rd8, but white can play Rd8# right away instead of this useless knight move.

2. I really, really doubt that this actually happened to you in a real chess game, as this position don't look like one coming from a real game because there are no pawns, the king's position is quite strange and the last move from black would have been very weird.

3. I don't know what you learn to school, because you spell reaaally bad.

1. true that.

2. hes in grade 2, they have really weird games

3. see above

monk3y is so mean.i meant seriously not seriouly.

WRONG!

The correct moves were this: