Carlo de Grandi (Greece)
 
#3 4+1

Try:  1.Qb7?(zz) but 1...K:d6!

    1.Qc6+? but  1...K:c6!

Key: 1.Sc8!(zz),Kc4 2.Sa7(zz),Kc5 3.Qc6#

    1...,Kb5 2.Qd5+,Ka6 3.Sb4#

    1...,Kb5 2.Qd5+,Ka4 3.Sb6#