Correct answer: Qe31...Bd5/Rc5/e5/Nfd5 2.Qc5# 1.Nd6+?? 1...Kd5 2.Qc5# but 1...e:d6! 1.Qe3! (2.Nb6#) 1...Kd5 2.Ndb6# 1...Nfd5 2.Qc5#