Correct answer: Rf21...Be5 2.Nd8# 1...b4 2.B:c4# 1.Kg6?? (2.Qc6#) 1...Be5 2.Nd8# but 1...Bc5! 1.Kg8?? (2.Qc6#) 1...Be5 2.Nd8# but 1...B