Decomposition. Again

h#2

Decomposition Chess*

b) pf4 in e2

No White King

1.1.2.1

a) 1. Kg4 Rh3 2. Rh5 Bg2+ ph3#
b) 1. Kg4 Rh3 2. Rg5 Nf4+ ph3#

* Every man is decomposable as follows: Q=R+F; R=F+P; F=PP. The decomposition is actuated with the mere removal of one of the components: the other remains on the square.