Correct answer: Qb71...Nc6[a] 2.Qf1# 1.Qd5? zz 1...Nc6[a] 2.Qc4#[C] 1...N:c5/[б]/ 2.Q:c5#[E] 1...Nf3[d]/Nf7[d]/Ng4[d]/Ng6[d]/Nd3[c]/Nc4[c]