Correct answer: Qe4-d3 1.Qe4-d3 ! zugzwang. 1...Rg2-c2 + 2.Qd3-c4 zugzwang. 2...Rc2-h2 3.Qc4-f1 # 1...Rg2-g6 + 2.e5-e6 zugzwang.