Correct answer: Bf21.Qa4+?? 1...Kc3 2.Qd4# 1...Kd3 2.Qd4#/Qc2# but 1...Kd5! 1.Qa3?? (2.Qb3#) 1...Kd5 2.Qc5# but 1...Kb5! 1.Qc7+??
