Correct answer: Nb51...Be3 2.Q:h1# 1...Ra4/R:c4 2.c7# 1...Q:h5 2.Re6# 1...Q:f6+ 2.N:f6# 1...Q:f4 2.Q:f4# 1...Ng3/Nh4/Ne7/Nd6 2.Re7# 1
