Mario Parrinello (Italy)


Original Problems, Julia’s Fairies – 2016 (I): January – June

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No.1048 Mario Parrinello

original – 17.04.2016

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White Kf2 Se2 Qh7 Pc4e4 black Kh8 Qg2 Pf5h2h3h6 neutral Pc2

hs#3            3 solutions       (5+6+1)
Anti-Circe Symmetry
Neutral Pc2

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Juraj Lörinc
April 17, 2016 21:05

The geometry of promotions RBS and crucial squares is well known – for wK it is e1, e2, e3, for captures these are b1, b2, b3 – Mario himself has used it a few times.

There is one very welcome addition – W1 moves of wS that are precisely determined by the need to block for White potential re-guards of the wK by promoted neutral piece. I can imagine this part took a while to set up.

Also, I have checked the need for bQ instead of bR as well as presence of Ph2 and Ph3. Curiously, each of these elements prevents just one very precise cook.

Luce Sebastien
Luce Sebastien
April 19, 2016 22:54

Very nice !
and C+ also Winchloe