Correct answer: Qb2-b3 1.Qb2-b3 ! danger: 2.Nf7-g5 # 2.Qb3-c4 # 1...c5-c4 2.Qb3*c4 # 1...b6-b5 2.Nf7-g5 # 1...Rh7*h4
