Correct answer: Qg11.Kc2?? zz 1...e:f5 2.Ng5#/Nd2# but 1...Kd5! 1.Ng1?? zz 1...Kd3/e:f5 2.Qf3# but 1...Kd5! 1.Ng5+?? 1...Kd3 2.Qf3# but 1...