Correct answer: Re31...g2 2.Q:f2# 1...Nf7 2.Re6# 1...Q:f1 2.R:f1# 1...Qf4+ 2.Q:f4# 1...Qf5 2.Q:f5# 1.Qa1+?? 1...Qd4 2.Rf1#/Q:d4# but 1...