[Retros] The only move?

[Pastmaker at aol.com]

Not quite the same result.  In the Mortensen problem White has a possible 
move other than PxP e.p. mate (i.e., 1. KxR).   In the problem I posted (actually 
composed back in the  1970s but not published), White has only one move, PxP 
e.p. mate.  The diagram (given customary assumptions) does not really need a 
stipulation.

No suggestion at all that mine is in any sense superior to the 1967 
composition.  The Mortensen problem is very fine - - an e.p. key "minimal" with no 
promoted force.  I did not know it existed until after I had sent mine to a theme 
tourney for minimals in Problemist.  In fact, I was trying to do what it did, 
but the compostion was returned without publication or award because the judge 
considered it anticipated by the Mortensen.

No complaint here about that result.  At the time I was unable to produce an 
ep minimal without promoted force.  But my version of the task does have 
another feature, having been described by one of our colleagues on the mailing list 
as a "mate-only e.p. minimal".  There are several other presentations (two 
more that I also sent to the tournament appear on the pdb server), but all known 
examples have promoted force.

Tom


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