Correct answer: Kf5-g4 1.Kf5-g4 ! zugzwang. 1...Kc5-b5 2.Qh6-d6 zugzwang. 2...Kb5-a4 3.Qd6-b4 # 1...Kc5-d5 2.Qh6-b6 zugzw
