Correct answer: Qg21...b5 2.Rc5# 1...Re5+ 2.N7:e5# 1...Re4 2.Q:d7#/N7e5# 1...R:c6 2.Nd6# 1.N7e5?? (2.Rd6#/Q:d4#) 1...d:c6 2.B:e6#/Q:d4# 1.