Correct answer: Qf11...R:d4 2.Qf5# 1...Rf4 2.Re6# 1...Ng4/Nf1/Nf3 2.Nf3# 1...Bc4/B:d3 2.N:c6# 1.Q:e3?? (2.Re6#/R:c6#/Rg6#/Rh6#)