Correct answer: Bc21...Qf3/Qe2/Qf1/Qc2/Qb1 2.R:d4# 1...Q:g3 2.R:d4#/N:g3# 1...B:f2 2.N:f2# 1.Bf3+?? 1...Q:f3 2.R:d4# but 1...g:f3!