Is Anna Anderson Anastasia romanov

Evidence exists for and against. after her death, her body was cremated- destroying any possibility of comparative anatomy ( Hey, she is not a fossil of a dinosaur or something) She knew too many details of life in the Romanov household to have ficitonalized them all. Methinks-Da- Girl Czarina of all the Russias- So Be it ( maybe not the best closure!) sounds like Soviet.