Correct answer: Qa81...Qb6 2.Q:b6# 1...Q:b7+ 2.Q:b7# 1...Qa5 2.b8N# 1...Q:c5 2.Q:c5# 1...Qc4/Qd3/Qe2/Qf1 2.Qb6#/b8N# 1...Q:a4 2.Q