Correct answer: Qb61.Qb4+?? 1...K:e5 2.Ng4#/Nf7# 1...Nc5 2.Q:c5#/R:e6# but 1...a:b4! 1.Qb5?? (2.Nhf5#/R:e6#/Nef5#/Nc8#) 1...N:g7/R
