Correct answer: Qe1-b4 a) 1.Qe1-b4 ! danger: 2.Qb4-e7 # 2.Qb4-b8 # 1...b2-b1=Q 2.Qb4-e7 # 1...b2-b1=R 2.Qb4-e7 # 1..