S = a perfect horror movie. Little to no minor flaws. A = a very good movie. Little to no major flaws. B = Good. Many minor flaws or some major flaws. C = Okay. Several flaws, but several positive aspects as well. D = Not good, some positive aspects. E = Bad, but with good potential. F = No positive aspects. Essentially graded on a 1-7 scale where 7 is 100% good qualities and 1 is 0% good qualities.
