Giorgio Mirri
The Problemist, 1972
Mate in 2
(b) wBd3 = wSd3, -bPd7
(a) KEY: 1.Ba6! BUT COOKS: 1.Sxb3+!, 1.Bf1!, 1.Rxa4+!
(b) KEY: 1.Se1! BUT COOKS: 1.Sc1!, 1.Sf2!
Jordi Breu
Correction
Mate in 2
(b) wSb1->d4