Correct answer: Ra7-a3 1...Nd6-b5 2.Bd7*c6 + (A)2...Kd5*c6 3.Qe2-e4 # (B) 1...Nd6-f5 2.Bd7*e6 + (C)2...Kd5*e6 3.Qe2*c4 # (D) 1.Ra7-a3 ! danger:2.Ra3-d3 + 2...c4*d3 3
