Correct answer: Kf41...Qd2/Qd1/Qc3/Qe4+/Qc4 2.Ke4# 1...Qb3/Qa3/Q:e2 2.Ke4#/K:d4# 1...Q:f5+ 2.K:f5# 1...Qc2/Qb1 2.K:d4# 1...N