Correct answer: Nb21...Nc3/Be5 2.Be5# 1...Bb2 2.R:b2# 1.B:a1?? (2.Rb2#/Be5#) 1...b:c4 2.Rb2# 1...Nc1/c6 2.Be5# but 1...Nc3! 1.Nd2?? (2.
