Correct answer: R:b51.Nc4?? (2.Q:a5#/Nc3#) 1...b4 2.Q:a5#/Qe8#/Qc6# but 1...b:c4! 1.Nc6?? (2.Q:a5#) but 1...Ka3! 1.Rb4+?? 1...Ka3 2.Q:a5# bu