Correct answer: Qa21...K:f4 2.Qh6# 1...K:d4 2.Qb6# 1.Ka7?? zz 1...K:f4 2.Qh6# 1...K:d4 2.Qb6# but 1...a2! 1.Kb8?? zz 1...K:f4 2.Qh6#
