Correct answer: Bg11...Kf3 2.Ng5# 1...K:f5 2.Ng3# 1...Kd3 2.Nc5# 1...K:d5 2.Nc3# 1.Ng5+?? 1...Kd3 2.Rc3#/Nc1#/Rg3# 1...K:d5 2.N<