Tim Krabbé researched this mystification 50 years ago. The diagram is an analysis of a real game in which it could have happened but never did.
It is easy to claim of any mystification that it is a real game. Just setup a chessboard on the kitchen table and instruct your housekeeper what to play move by move. You'll end up with the real game "Me vs My Housekeeper" which over time changes to "Me vs some Meatball I do not care to remember".
An excerpt from my latest blog...
Click the link for more puzzles.