Correct answer: Qa61...Bf2/Bg1/Bc3/Bb2/Ba1/B:c5 2.Rf4# 1...Rg2 2.Q:f3# 1...Rg8+ 2.h:g8N# 1...R:h7+ 2.N:h7# 1...Nd8/Ne7/Nb4/N