Correct answer: Nd61...e:d5[a]/N:d5/[б]/ 2.Bc5# 1.Nc5? (2.Qe4#) 1...e:d5[a] 2.c3#[A] 1...N:d5/[б]/ 2.N:e6#[C] 1...f5 2.Qe5# 1...Ne2 2.Qd2# but 1...K:d5!