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105 mates in 1 move

White to move and mate black in 1 move (105 solutions).

Submitted by Lauri Mikkola 
Composed by N. Petrovic (Sahovski Vjesnik 1947)

(White: Ka2, Qb4, Qb6, Qd2, Qd8, Qf3, Qf8, Qg1, Qg6, Qh4, Ra5, Rc7, Bb5, Bb8, Na3, Nh6, Black: Ke5, a6)

Solution