Correct answer: Nd71...d:c4 2.Rd7# 1...d:e4 2.R:e4#/Rd7# 1.Rg3?? (2.Nf7#/Ng4#/Ng6#/Nd7#/Nc6#) 1...Ra8/Bc7/Bd8 2.Nc6# 1...N:b4 2.N