Correct answer: Qf21...Ka3[a] 2.Qd6# 1...b2 2.Q:b2# 1.Qe2? zz 1...Ka3[a] 2.Qe7#[A] 1...a3/[б]/ 2.Qc4#[C] 1...Kc3 2.Qe1# 1...b2 2.Q:b2# but 1...d3!