eeeeeeeeeeeeeeeeeeeeeeeeeeeaaaaaaaaaaaaaaasssssssssssssyyyyyyyyyy

Not possible because if black moved last from b7 to a8 out of check White could not have moved his King from d7 to c8 as this was not a checking move.

dafuq did i just solve?

Black advanced a pawn, which white attacked with the bishop. Nice puzzle!

This position is not theoretically possible, is it? What move does black play to get to this position?

You're right that it's not possible, but that is not the reason at all. It would have been impossible for black to be in b7 because he would have had to move into check to get there on the previous turn (the bishop had to have that diagonal path covered two turns in a row - it's impossible for it to have been in a different diagonal path in the previous turn).

ETA: Never mind. I was thinking of b8. The fact that black was not in b7 is so obvious that it shouldn't even need explanation - two kings can't be touching!!

Also not possible as the White Bishop would have already been on the g1-a7 diagonal causing check on the Black king; thus, Black could not have advanced a pawn while in check.

so tough ..........could anyone give the answer ........lolz

Oops, just mixed up who went last. I also have a tendency to mix up the letters and numbers, but I'm going to give it one more try:

White had a knight on b6. Moved it to a8, where it was captured by the black king.

Is this position possible? What was Black last move from where to g8? What was White's last move? 

Answer to my own question: White's last move was fxg7+ then Black moved from f8 or h8 to g8 arriving at the given position. 

And the point of this is?

This is a so easy problem

Can anyone explain the answer???

JK, quite easy, hope tomorrow is easier.

Um...does this really count as a puzzle?

Congrats you've soved this puzzle.

simple but ok

simple!!! 

Can someone even get this wrong? It's like a 20% chance they guess right...

Beat it in half a second... Boring!

seriously.