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Bario. Pieces are undefined until they move. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]

J Andrew Lipscomb wrote on Mon, Mar 28, 2005 02:45 PM UTC:

My suggestion for castling would be as follows: the corner disk must not
have moved, and must have the potential to be a rook (castling will reveal
it to be a rook).

Pawn promotion is also potentially awkward. I propose a variant of the
Grand Chess rule (a pawn may not move to the last if the owner already has
seven quantum pieces, revealed or unrevealed, but may still give check). I
also propose that pawns promote revealed.

I would also note that this variant can be combined with many others, such
as Capablanca/GrandChess, Different Armies, or even Jetan (to practice the
mechanics, you could also go the other way and apply it to Los Alamos
Chess).