Correct answer: Qd31.Nc6+?? 1...Kd5 2.c4#/Rd1# but 1...K:f6! 1.R:e4+?? 1...K:f6 2.Nd5#/Nh5#/Ne8#/Re6# but 1...K:e4! 1.Qd3! (2.Qd6#)
