Correct answer: Nb51...Qg7/Q:g8/Qh6/Qh5/Qf5+/Qf7/Qe8 2.Qf5# 1...d:e6 2.R:e6# 1.Rd6?? (2.Qd5#/Nf4#/Ng1#/Ng3#/Nc1#/Nc3#) 1...