[Retros] Pawn to-the-8th, single checkmates, simplified ed.
Hirokaz ONODA
glkoon at yahoo.co.jp
Fri Dec 15 02:03:46 EST 2006
Hi Mario,
> > (1-4') Queening is MUST(underpromotion is
> insufficient)
>
> Has somebody encountered the opposite situation:
>
> Underpromotion is MUST, while queening leads to
> a non-unique PG?
Very interesting.
I think there must be some games, or maybe a lot?
I'd like to see those games.
Amici Sumus,
Hiro
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