Correct answer: Kf51...Ra5/Ba4 2.N:a5# 1...d3 2.Nd6# 1...Qc3 2.Nd2# 1.Ke6?? (2.Ne5#) 1...Ba4 2.Na5# 1...d3 2.Nd6# 1...Qc3 2.Nd2# but
