Correct answer: Re71...Rf4 2.Qe2# 1...Rf2 2.Q:e5# 1...Re6 2.Nf5# 1...Nd6/Be6 2.b:c7# 1...Bc6+ 2.b7# 1...Bd2/Bb2/Ba3 2.Q:d2# 1.b7+?? 1...c5
