ughaibu: Am I correct that furibisha is what we call in English "ranging rook" and ibisha is "static rook"?
If these are not best learnt as opening sequences of moves, could you describe what you think are good opening goals of the openings that you play? What would you think of as key developments by the opponent to begin seeking to attain those goals?
I have observed a number of players playing a central rook opening that seems to bear a resemblance to the 2-piece handicap games in which I have received odds, i.e., the opening looks somewhat similar but with an added rook and bishop for the attack. Do you think that there is a commonality in goals for the central rook opening and the play of the odds-giver for a 2-piece handicap game?
You mentioned in an earlier posting the anaguma castle. Is there a natural order of piece arrangement of which anaguma ("bear in the hole"?) is the outcome? What would you think are the relative strengths of the bishop-side or rook-side anaguma?
At home, my son was asking about one castle that he remembers is called the "snow cave." Do you know what characterizes its formation, what are its strengths and weaknesses, what are the methods for assaulting such a castle, etc.?