[ unperturbed by sherlock's histrionics, john watches the game pieces scatter and roll in different directions on the carpet with an inward sigh. well, those are officially lost until tomorrow morning. he listens to sherlock's solution with a furrowed brow and recites it back to him. ]

The killer and victim are the sa— wait, hang on a sec, you lost me somewhere. How could someone accidentally bludgeon themselves to death with a candle stick? I can maybe see a spanner or lead pipe falling on his head, but candle sticks usually aren't put up that high.

If we had any now, I would put them on the coffee table. Dinner table. Bedrooms. Stairs. Actually, now I'm wondering if Mrs. Hudson has any stashed downstairs we can use... [ wetting his lips, he looks back at sherlock. ] ... anyway, how? How could Mr. Black accidentally kill himself?