Correct answer: Rb81...e5 2.Nc5# 1...Nc4/Na4 2.Q:d3# 1...Ne3 2.f3# 1...N:f2 2.Qe1# 1...Nc3 2.Qh1# 1.Rb5?? (2.Re5#) but 1...Nc4! 1.Rb6?? (2.
