Correct answer: Qc2-d3 1.Qc2-d3 ! zugzwang. 1...Kd5-c5 2.Qd3-b5 # 1...Kd5-e5 2.Qd3-f5 # 1...h7-h5 2.Qd3-d2 zugzwang. 2...K