Correct answer: Qa41...Ra4/Ra3/Ra2/Ra8 2.Nc4# 1...Ba4 2.Nb5# 1...c1R/c1N 2.Rd2# 1.Qh7?? (2.Qh5#/Qh1#/Qd3#) 1...Ra4 2.Qh1#/