I don't know how you created that "emboarded" position. Anyway, here is your position. Black has a forced mate but can throw it away and get mated himself using the moves you supplied.
Forcing a player to checkmate you
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In the vein of the thread "Getting out of check with a checkmate", here is a position where Black might think, "Nxg=f3+ forces QxN at f3, then Bg5+ checks the White king and opens a discovered attack on his unprotected queen. Brilliant!"
Link: http://www.chess.com/emboard?id=2318240
No idea why the image doesn't show. Click the link to see to position.