Correct answer: Q:c51...B:f4 2.N:f4# 1...Nef7/Ndf7 2.e8Q#/e8R# 1...Rb1/Ra1/Rd1/Re1/Rf1/Rg1/Rh1/c4 2.N:c5# 1...Rg6 2.e:d8N#/e8Q