Daniil Frolov wrote on Thu, Oct 7, 2010 06:22 AM UTC:
I seen one 3D variant, where bishop moves as bishop only within one level,
to change it, he must move as unicorn. If bishop moves in this way, all
cells of same column should be like-colored.
It's not logical enough, but, maybe, it's easier to visualize than real
bishop move.
I don't remember, how other pieces moves in this game. Rook probably had
only normal rook's moves, but it would be more logical if rook also were
able to move as bishop without changing file and rank (and changing level).
And knight should move as knight within it's level and as 2,1,1 leaper to
go to next or previous level.