Correct answer: Qa11...K:f2 2.Qf7#/Qf6#/Qf8# 1.Qa1! zz 1...K:f2 2.Qf6# 1...N:f2/Q:f2 2.Be2# 1...g:f2+ 2.Bg4# 1...R:f2 2.Bf3#
