Correct answer: Nd6+1...d4 2.Nd6# 1...Rb2/Rb1/R:b4 2.Re3# 1.Nc2?? (2.Nd6#/d3#) 1...Nf7/Ne8 2.d3# 1...R:b5 2.d3#/Re3# 1...R:c3/B:e2 2.N