Correct answer: Qe61...Rb3/Rb2/Rb1/Rb6/Rb7/Rb8 2.R:c4# 1...Rc3 2.d:c3# 1...Rc5 2.Q:c5#/Qe4#/Qd3# 1...Rc6/Rc7 2.Qe4#/Qd3# 1...R<