N°9 Maeshima Hiroaki (Japan)

Section D1 h#2
b) bNh2->b5
a) 1.Nf3 Ne2 2.Nd4 Nc3#
(1.Sf3 Sed3 2.??? Sc5#)
b) 1.Nd4 Ned3 2.Nf3 Nc5#
(1.Sd4 Se2 2.??? Sc3#)
Tempo tries
Black Reversal
Opening different indirect batteries in each solution
Exchange of functions Se5/Sd4