Correct answer: Qe31...Bd4(a) 2.Be4#(B) 1...Rd4(b) 2.R:e5#(A) 1.d4? 2.R:e5#(A) but 1...B:d4(a)! 1.Nfd4? 2.Be4#(B) but 1...R:d4(b)! 1.Qe3! (2.Q