Correct answer: Qg11...Nf8/Nc5/Nb6/Nb8 2.Qc5# 1...Bd6+ 2.Nc5# 1.R:f5?? zz 1...Nf8/Nc5/Nb6/Nb8 2.Qc5# but 1...h5! 1.Qg1! zz 1...<
