Correct answer: c61...Ke4 2.Nd6# 1...Kc6 2.N:e5# 1...c:b3/c3 2.Nd8# 1.Q:c4+?? 1...Kc6 2.N:e5# but 1...N:c4! 1.c6! zz 1...Ke4/b:c6 2.Nd6# 1...<