Circe in a 2x2 Chessboard

Ser-h#3

No White King

Fading Chess (frame by frame)

Circe

Transmuting King

Sol. 1. Kb6 2. Kc5 3. Kd4, Pe5=B#. The promotion choice is a move. And now, which could be the rebirth square of Be5? Only the black square d4, donc 4. Kxe5 is impossible. The white Be4 prevents 3...Pe5=Q, because the WQ's rebirth square (in the 2x2 chessboard) would be the white square e4.