Correct answer: Kc81...B:c4 2.d4# 1...Nc6/Nd7 2.Nd7# 1...Rf7 2.Ne6# 1...R:d6 2.Q:d6# 1.K:b8?? (2.Qc7#/Qa7#/Nd7#) 1...Be6 2.Qc7#/Q