Correct answer: Rf11.Rd4? zz 1...e5 2.Rd6# 1...Ke5 2.Bg7# but 1...b4! 1.Bb1? zz 1...e5 2.Ned5# 1...Ke5 2.Ng4# but 1...a2! 1.Rf1! zz 1...e5 2.N