Correct answer: Qc61...f4 2.Q:e6#/Qh5# 1.Q:b5?? zz 1...f4 2.g:f4# 1...c6 2.Qb8# but 1...c5! 1.Qc6! zz 1...f4 2.Q:e6# 1...Ne3/Ne7/Nf6/Nb4/Nb6