In Crazyhouse, if a promoted piece gets captured, it turns into a pawn in the capturer's pocket.*
The fact that such pieces are not visually marked often causes problems - for both players.
FOR THE SIDE that is about to capture a piece:
A situation can arise in which a player can choose to capture one of several pieces; seeing which pieces are promotees can help here.
FOR THE SIDE that is about to have one of its pieces captured:
In a similar situation, choosing which piece to sacrifice, or put forth to be captured, or simply to risk, can be aided by the same.
So my change request is obvious, I think.
The fact that such pieces are not visually marked often causes problems - for both players.
FOR THE SIDE that is about to capture a piece:
A situation can arise in which a player can choose to capture one of several pieces; seeing which pieces are promotees can help here.
FOR THE SIDE that is about to have one of its pieces captured:
In a similar situation, choosing which piece to sacrifice, or put forth to be captured, or simply to risk, can be aided by the same.
So my change request is obvious, I think.