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Tree garden chess. Large chess variant on 10 by 10 board with 4 by 4 area missing from the middle. (10x10, Cells: 84) [All Comments] [Add Comment or Rating]

William Overington wrote on Thu, Oct 31, 2002 06:30 PM UTC:

> I wonder about the pawn's promotion choices: Is it a designed
feature that they cannot promote to rook or knight? 

Yes.  Pawns may not promote to bishop either.

> What lies behind this design decision?
 
I quote from the page about Carrera's Chess.

quote

The precise pawn promotion rules are unknown; it probably is best to play
that a pawn may be promoted to queen, champion, or centaur to the choice
of the owning player; or alternatingly only promote pawns to queens.
(Minor promotion was probably unknown to Carrera.)

end quote

I followed this guidance, deciding to allow promotion to other than just a
queen and deciding to add the earl and viscount to the pawn promotion
possibilities in this game so as to have the possibility of pawn promotion
to the unusual pieces.

> Or is it just a slip in the writing?

No, a quite deliberate extrapolation from the page about Carrera's Chess.