Correct answer: Qe21...d5+ 2.Rb4# 1...Qc8/Qg7/Qh6/Qe7/Nd8 2.Q:c8# 1...Qb8 2.Ra7# 1...g2+ 2.Rb3# 1.Rb6+?? 1...Ka7 2.Qd7# but 1...B:c6!