Correct answer: Nd61...K:e6 2.Qe4# 1.R:d7+?? 1...Bd6 2.R:d6# but 1...K:e6! 1.b6+?? 1...K:e6 2.f5#/Qe4#/Q:d7# but 1...Bc5! 1.Ke3?? (2.Qa2#
