1) The throne can be used only to capture the king, not the "normal" pieces.
2) Yes, it should be considered as a draw but this site does not support a perpetual check detection yet. What you can do in such situation is to send a message to me and I will set a draw manually.
(sakla) If you are interested in a progress of a tournament you are playing, you can discuss it with your opponents at this tournament's discussion board. (HelenaTanein) (Bütün ipuçlarını göster)