10: Masterpiece; anime that I want to re-watch and/or an anime that left a HUGE impact on me. Favorite among Favorites
9: Great to watch; Enjoyed the series throughout. Left some impact on me, but not my favorite among favorites
8: Funny/Interesting anime to watch or an Anime with solid story line and/or thrilling experience. Had Good impression on it in one way or another.
Some had minor factors that I didn't like.
8 and above are GREAT anime
7: Anime I enjoyed watching most of the time. May had some pacing issues in some arcs, but mostly solid.
Or anime with interesting setting but didn't use up its full potential (still interesting regardless)
Or "Pure Enjoyment" anime with alright plot
Anime I enjoyed in OVERALL.
6: Anime that was great at parts but was alright/or bad in quite many arcs
Or anime with decent story, but with pacing/repetition issues (usually sports anime)
Or anime with generic story but I mostly enjoyed
5: Alright anime. (Most were not really memorable). Watching the anime was alright.
4: Anime that made me feel like I was wasting time watching, or some alright anime that had horrible turn of story
Story is usually full of flaws or is boring/has severe pacing issues
Overall a BAD anime
3: Felt like a waste of time watching + anime that triggered me in some way
2: same as 3, but worse
Ratings may be off by 1 (or 2 in extreme cases) and may change over time based on relative impression compared to other anime