Leonardo Perrone

8/4p3/8/4K3/6P1/5QKP/5K1P/6K1
05 Leonardo Perrone
Problem Observer, 2009

#7 Rex Multiplex

1.R3g2 e6
2.Rf4 e5+
3.R4g3 e4
4.Df4 e3+
5.Rff3 e2
6.R1h1 e1=R
(cualquier otra promoción es ilegal)
7.Dc1#

Brilliant – almost AUW of choices, and distinctly original (Dr.C.C.Lytton). Witty presentation of mating a lone pawn in a moremover (P.Michael).