Correct answer: Bh4-f6 1.Bh4-f6 ! danger: 2.Rg7-a7 # 2.Rg7-b7 # 2.Rg7-c7 # 2.Rg7-d7 # 2.Rg7-e7 # 2.Rg7-f7 # 1...