Correct answer: b8N1...K:c4 2.Qe6# 1...Nd4/Rd4 2.Ne3# 1...R:c4 2.R:e5# 1...B:e7/Bd7/Be8/Ba4/Ba6 2.N:b6# 1...Bc6 2.Qf7#/N:b6#