Correct answer: b51...Nc5 2.b:c5# 1...e:d5 2.B:e5# 1...Rd7 2.Q:e6# 1...Rc7 2.Ne3# 1.Na5?? (2.Nc4#/Qc6#) 1...Nd8 2.Nc4# 1...R3f4/R:d3/R<