Correct answer: Qh81...Ka4 2.Q:a2# 1.Qh1?? zz 1...Ka4 2.Qa8# 1...a1Q/a1R/a1B/a1N 2.Q:a1# but 1...Kb2! 1.Qc2?? (2.Qb3#) but 1...a1N