Correct answer: Nd31...K:c4 2.Be6# 1...Bh2/Bd4/e3 2.Rd4# 1...B:c5 2.Q:c5# 1.N:e4?? (2.Be6#) 1...Bd4 2.R:d4# 1...Bc5 2.Q:c5# 1...B