2.16. A horse jumps over a tower and lands on a man,
who disappears. (ES original)

2.16 answer: A chess game; knight takes pawn.

2.16a. Variant: It’s the year 860 A.D., at Camelot. Two priests are
sitting in the castle’s chapel. The queen attacks the king. The two
priests rise, shake hands, and leave the room.

2.16a answer: The two priests are playing chess; one of them just mated
by moving his queen. (from Ellen M. Sentovich)

2.16b. Variant: A black leader dies in Africa.

2.16b answer: The black leader is a chess king, and the game was played
in Africa. (from Erick Brethenoux)