Correct answer: Qb61...Kd1/Rb2 2.Qe1# 1...Rc3/Ra2/Re2/Rf2/Rg2/Rh2 2.Qb1# 1...Rc4/Rc5/Rc6/Rc7/Rc8/Rd2 2.Qb1#/Qd2# 1.