Correct answer: Ba31...Nd4 2.e4# 1...N:d3 2.Q:d3# 1...Nd7/Nb3/Na4/N:a6 2.R:d6# 1...Ne4 2.d:e4# 1...Ne6 2.Rf5# 1.Bc3?? (2.Nb4#) 1...N:d