Correct answer: Qa21...Nf1/Ng2/Ng4/Nd1/Nd5/Nc2/Nc4 2.Qc2# 1.Ke6?? (2.Rf4#) 1...Ng2 2.d5#/Qc2# 1...Nd5 2.Qc2# but 1...N:f5!