Correct answer: Qg21...Kd3 2.R:f3# 1.Rg3?? zz 1...Kd3 2.R:f3# but 1...Kf4! 1.Qb2?? zz 1...Kd3 2.R:f3# but 1...Kf4! 1.Qa2?? zz 1...Kd
