Correct answer: Qb41...b4 2.Qa5# 1...Q:h5/Qh7/Qh8/Ne6 2.Q:d6# 1.Qb3+?? 1...Kc5 2.Nd7# but 1...K:e5! 1.Qc3?? (2.e4#/c7#/Nf4#) 1...Q:h5/<