Correct answer: Bg6-h7 1.Bg6-h7 ! zugzwang. 1...Qf2-e1 2.Qa8-h8 # 1...Qf2-g1 2.Qa8-h8 # 1...Qf2-d4 2.Qa8-h8 # 1...Qf2-e3
