Correct answer: Qf5-h7 1.Qf5-h7 ! danger: 2.Qh7*g8 # 2.Qh7*b7 # 1...Rg8-g1 2.Qh7*b7 # 1...Rg8-g2 2.Qh7*b7 # 1...Rg8-