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Doppleganger Chess. Pieces and their doppelgangers are connected for capture and promotion! (8x8, Cells: 64) [All Comments] [Add Comment or Rating]

Moussambani wrote on Wed, May 19, 2004 11:37 AM UTC:

This game looks interesting. I have a question when promotions have
happened. Say my rooks are still in play when I promote a pawn and his
doppleganger to rook, so now I have four rooks in play. If a rook is then
captured by my opponent, then what should happen?

If he must take original rook with original rook, and promoted rook and
promoted rook with promoted rook, that may require extra bookkeeping. On
the other hand, it could be any other rook, capturer's choice.

I like this last option best. It's much more simple, and a logical
extension of the pawn capture rule, which now would read 'If a player
captures a piece of which more than two are in play...'

So what is the intended ruling?