Sixteen Kings

Ser-h#13

Royal dynasty*

 1.Kh1*h2 2.Kh2*g3 3.Kg3*f4 4.Kf4*e5 5.Ke5*d6 6.Kd6*c7 7.Kc7*b8 8.Kb8*a7 9.Ka7*b6 10.Kb6*c5 11.Kc5*d4 12.Kd4*e3 13.Ke3*f2 #
1.Kh1*g1 2.Kg1*f2 3.Kf2*e3 4.Ke3*d4 5.Kd4*c5 6.Kc5*b6 7.Kb6*a7 8.Ka7*b8 9.Kb8*c7 10.Kc7*d6 11.Kd6*e5 12.Ke5*f4 13.Kf4*g3 #

* 1. Each side may have more Kings on the chessboard. 2. Promotion to a King is allowed. 3. If more than one King of one side is present at the same time no King possess the royal nature. It means that there is no check or mate. Capturing of King(s) but the last one is allowed. The way of moving is unchanged for all the Kings. 4. When one side after capturing remains with only one King his royal nature is returned, no matter if it results from promotion or not. Castling is a move of royal nature and is allowed with only one King present (if a Rook hasn't moved at all and if a King hasn't moved after he remains the only King of his side (.