[Retros] Add pieces

[Theodore Hwa]

On Fri, 11 Mar 2011, Theodore Hwa wrote:


> On Tue, 8 Mar 2011, Otto Janko wrote:

>

>> Alain BROBECKER wrote:

>> 

>>> The number of pieces is not given ("complete the position"

>>> or "add the pieces", maybe no piece to add (joke?))

>> 

>> Maybe better: "Add the _minimum_ number of pieces". I think it would be

>> difficult to compose a problem in which it is not possible to add an

>> additional piece (although not impossible).

>

> Here's one possibility with 30 units, nobody in check: Starting from the 

> initial position, remove the queens, and move the kings over to the queens' 

> original squares.  It is not possible to add any pieces.


26 units: From the initial positions, remove queens and bishops.  Move 
kings onto c1/c8, and knights or rooks onto f1/f8.

Ted