Correct answer: Qg4-d7 1.Qg4-d7 ! danger: 2.Qd7-a7 # 2.Qd7-b7 # 1...Bh2-g1 2.Qd7-b7 # 1...Bh2-b8 2.Qd7-b7 # 1...Bh2-