01-14th of March, 2015
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Animated diagrams use Py2Web by Dmitri Turevski and WinChloe’s graphics. |
All previously published problems you can find in the subsections of Original Problems menu on the top. The judge of informal fairy tournament JF-2015(I) – Kostas Prentos. The judge of Retro and PG problems 2015-2016 – Thomas Brand.
I understand first solution now, and in general what I- for the notation means. The second, with the castling, I am not sure about. Writing Kg1 implies an invisible on g3, but then again castling is a two-mover with a little future in it. It is either 1.Kg1 2.I-, or, touching the R first (illegal in OTB but okay in chess problems as the two orderings are equivalent), 1.I- 2.Kg1. But does this point out that the other invisible may be on f1 in the diagram instead of on h1?