Correct answer: Nd11...Rg7/Rg8 2.Rd6# 1.Nf5?? (2.e3#) 1...Q:g5 2.d8Q#/d8R# 1...R:g5 2.Rd6# but 1...a:b5! 1.Ng4?? (2.e3#) but 1...a:b5! 1.Nc2?? (
