Correct answer: Kd7-c6 1.Kd7-c6 ! zugzwang. 1...Ng7-e6 2.Rg1-g8 # 1...Ng7-f5 2.Rg1-g8 # 1...Ng7-h5 2.Rg1-g8 # 1...Ng7-e8
