Decomposition Joke

Ser-#4

Decomposition Chess*

No White King

1. Nd6 2. Be6 3. Pd7+Pd6 4. Pe7+Pe6#

* 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. No suspended Pawns (i.e. in ranks 1 or 8) allowed.