Correct answer: Qg61...R:d6 2.Q:d6# 1...Nbc5 2.Nb6#/Nc7# 1...N:d6 2.Nc7#/Q:d6# 1...Nd8/Na5 2.Nc7# 1...N:e1/Ne5/Nf2/Nf4/Nc1/N