Correct answer: Nd61...Bd4 2.Q:d4# 1...b2 2.Qc2#/Qe3# 1...Nd2/Na3 2.Q:d2# 1.Qe1+?? 1...Nd2 2.Q:d2# but 1...Kb2! 1.Nd6! (2.Nb5#) 1...e
