144-Solution mate in two.

Solution: 1. Ba8-e4! waiting
 1... Sa7 ad lib 2. Sd8(x)c6#
 1... f7 ad lib 2. Sd8-e6#
 1... Ba4 ad lib 2. Sc1xb3#
 1... Sg1 ad lib 2. Sc1(x)e2#