Correct answer: d8N1...N:e6 2.Rf5# 1...c:d6/e:d6 2.Re4# 1.Q:b5+?? 1...K:e6 2.d8N#/Qd5# but 1...c5! 1.Bf6+?? 1...K:e6 2.d8N# but 1...e:f6! 1.Rf
