The rules have some basic grammar errors, which can you pick up by just reading them out aloud.
One thing that is not clear is:
If two players pass consecutively, the outer-ring of pieces (i.e. all of the pieces on the edge of the board) is removed and play continues. If two players
This implies that the game can be played by more than two players... Did you mean "If both players..." And what if they continue to pass? Does the game end? Is it even necessary to allow passing by both players?