Correct answer: Bc41...Bd4/Re5/Re6/Re7/Re8 2.a:b4#/c:b4# 1...Rc4 2.Ne6# 1...Nc4 2.a:b4# 1...Bc4 2.c:b4# 1...Ra5/Ra4/R:a3/R:a7/Rc6 2.Qc6#