Correct answer: Kd1-e1 1.Kd1-e1 ! zugzwang. 1...Kd4-e3 2.Ng7-f5 # 1...Kd4*c5 2.Nd2*b3 # 1...Kd4*e5 2.Ba5-c3 # 1...e4-e3
