Correct answer: Nd31...Nd3/Rc2/R:c1 2.Q:e3# 1...Rc4 2.Nb3#/Q:e3# 1...Rc5 2.Nf3#/Nb3#/Be5#/Qe5#/Q:e3# 1...Rb3 2.Nf3#/N:b3#/Be5
