Correct answer: Nc41...Rb5 2.a:b5# 1...Rb6 2.Qg2# 1...Nc5/N:c7 2.Q:c5# 1.Ndb5?? (2.Na7#) 1...R:b5 2.a:b5# 1...Re3 2.Rh6# 1...Nc5/N:c7 2