(26.02.2014) A fairy miniature by Pierre Tritten showing all black moves on the same square.

1.Bc5 bxc5(wBc1) 2.Sc5 Bb2#

1.Sc5 bxc5(wSg1) 2.Bc5 Se2#

Interchange of black moves (sacrifice/self-block) on the same square.

(Author)

Anti Circe Clone: A capturing piece (including King) takes the nature of the captured piece and then goes to its Circe rebirth square. The checking/mating piece do not take the nature of the King and its returning square is according its own nature.