1.B~ (d1, e2)? – 2.Rg4(A)# (2.Rf3 B? Kg4!)
1...Bf5! (2.A?)

1.Bf3!? – 2.Se6(C)# (2.Rg4 A? K:f3!)
1...Ba2 2.Sd3#
1...Bf5! (2.C?)

1.Bh5! – 2Rf3(B)# (2.Rg4 A? Kf3!)
1...Be4 2.Se6(C)#

Original synthesis of plot elements in miniature:
White correction
Double threat correction: A-C(A?)-B(A?)
Sushkov's dual-avoidance choice of threats: A(B?)-B(A?)
Return of threat (C) as a mate in variant