Correct answer: Rd51...K:d4 2.Q:d2# 1...N:f4/Ng1/Ng3/N:c1/Nc3 2.Nc2# 1...N:d4 2.Ng2# 1.Rf6?? zz 1...N:f4/Ng1/Ng3/N:c1/Nc3 2.
