Correct answer: Nd11...c5 2.Bd5# 1...e6 2.Nd6# 1...e5 2.Nf6# 1...Ng1/Nd4/Nc1 2.Rd4# 1...Nh3/Nh7/Nf3/Nf7/Ne6 2.Bh7# 1.K:g5?? (2.Bh7#)