1) Chess variant 
Circe chess (or just circe) is a chess variant in which captured pieces are reborn on their starting positions as soon as they are captured, based on the following rules: For instance, a white pawn captured on b4 is reborn on b2; a black knight captured on f6 is reborn on b8; a black rook captured on the same square is reborn on h8. Castling with ...