Correct answer: Qc41...f1Q/f1R/f1B/f1N 2.Q:f1# 1...R8b7 2.Nd6# 1...R8b6 2.Ne7# 1...R:c8+ 2.Q:c8# 1...Rb4/Rb3/Rb2/R5b6/R5b7/R