Correct answer: Qf21...Rff4 2.Nf7# 1...Rf6/Rf7/Rf8 2.Nf7#/N:c4# 1...g:f3/g3 2.Q:d4# 1.R:f5?? (2.Qe7#/Nf7#/N:c4#) 1...Kc5 2.N:d3#/Nd