Correct answer: Qg11...f4/Bg1/Bc7/Rg3/Nd6 2.Nc7# 1...Bg3/Rc3/e3 2.Nc3# 1...Ne3 2.Nc3#/Qd2# 1...Ne5 2.Rd6# 1.f4?? (2.Nc7#) 1...e:f3 e.p.