User blog comment:B214/Volume 23 discussion blog/@comment-31.11.129.16-20170319160510/@comment-10330822-20170320001758

But is that even necessarily? Issei has 8 pawn pieces to work with, and Nakiri consumes 5. Which means that he has 3 Pawn pieces open and a Rook space. So you don't have to have Bova sit out at all, you can have both Roygun as a Rook and Bova as a Pawn.

The thing is, if Roygun is the Rook, then Issei has to decide between Elmenhilde and Bova, which is what I feel the really choice is. If you can slip Roygun into a Rook spot I'd do it immediately and then just bench Elmenhilde unless you need to her to switch out for Bova at some point.