Correct answer: Kc81...Nf6 2.Bb1#/Bb3#/Bc4#/Bd5#/Be6#/Bf7#/Bg8# 1...Nc3 2.Qb2# 1...Nb2 2.Bb1# 1.Qb2+?? 1...N:b2 2.Bb1# but 1...