Correct answer: Qf11...Ke3 2.Qe2# 1...Bd3 2.Qe5# 1.Kg3?? (2.Re5#) 1...Ke3 2.Qe2# but 1...e:f5! 1.Bf3+?? 1...Ke3 2.Qe2# but 1...K:f3! 1.
