Correct answer: Nd71...Qc7/Qe6/Qf5/Qg4/Qh3 2.N:c7# 1...Qd7 2.c:d7# 1...Qb7 2.c:b7# 1.c7+?? 1...Qb7 2.c8Q#/c8R# but 1...Bc6! 1.Nd7! zz
