SWAROS chess variant

SWAROS chess is a variant of chess board game which has its own special characteristics and features as described in follow:
Specifications:
Board: The SWAROS Chessboard consists of 576 squares, 24 rows by 24 columns, on which the chess pieces are placed. It is square in shape and uses two colors of squares, one light and one dark, in a chequered pattern

Pieces: There are the same type of pieces as general chess game, but with different numbers and slight difference in movements and role.

Rules: 

All of the rules of regular chess apply to this game as well, only the following rules should be considered as variations.

1- Princes and the King:
All the 9 pieces are playing the role of prince at the biggening which move one square in any direction, so long as no piece is blocking the path. 8 of the princes can be killed by opponent, and the last standing prince is upgraded to King level which the rules of regular chess apply to it and the opponent may check or mate the king.
Note: player may agree to chose one King from the biggening and neglect the princes in their game.

2- Pawns at their first move can move up to 6 blocks straight forward, after the first move, can only move one block in each turn.

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