Correct answer: Nd:f41...Bd5/Be6/Bf7/Bg8/Bb3/Ba2/Bb5/Ba6/Bc3 2.Nc3#/N:f2# 1...Be3 2.Nc3# 1...B:f6/Bb2/Ba1 2.N:f2# 1...f:g3 2.