Correct answer: Qg21...Re2/Re1/Re4/Re5 2.N:d3# 1...Re6 2.Nc:e6#/Nf:e6#/N:d3# 1...Rf3 2.Ne6# 1...Rg3/Rh3/e5 2.Nce6#/Nfe6# 1...Ne4 2