Correct answer: Qb31...e4 2.Qh8# 1...c4 2.Q:a7# 1.Nf5+?? 1...Kc4 2.Qb3#/Rc3# but 1...Ke4! 1.Kc2?? (2.Qb2#/Rd3#) 1...e1Q/e1B 2.Rd3#
