Correct answer: R:f31...f5 2.Nc5#/B:f3#/R:e5# 1.Qc4+?? 1...Kf5 2.Ng3# but 1...Nd4! 1.R:f3! zz 1...Kd5 2.Rd3# 1...Ng4/N:h1/Nh3/N