Correct answer: Ra21...Kc3 2.Q:c4# 1...Ke3/c3 2.Qe4# 1...Nh3/Nf3 2.Qf3# 1.Qf5+?? 1...Ke3 2.N:c4#/Qe4# but 1...Kc3! 1.Qa8?? zz 1...