Correct answer: Nd31...b6 2.Rc6# 1...b5 2.Rc6#/Q:d5# 1...Be5/e5 2.Qd7# 1...Ra4/Ra3/Ra2/Raa1/Ra6/Ra7/Ra8/Nc5 2.Q:d5# 1...d4 2.Nc4# 1.