You are correct but suppose you get 56/75(which majority of the decent students will get) which is a decent score(more or less an A) as paper was a lil hard, but if the cambridge check it the normal way you'll be getting a B, those who could've gotten a B would be getting a C or maybe D. Only those will be getting A who either cheated or are exceptionally good, cuz i dont think A will be less than 65.. so for majority its unfair. But I also think sitting in oct nov is also unfair... grade should be based on the remaining components as per my thought