if you think you're probably not!
I was easily the best smash player in my whole school back in high school, but once Brawl came out and I started facing some board 8ers here I learned I was only mid-tier at best, usually low tier.
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http://img708.imageshack.us/img708/3824/5959429725f9ecccb086.jpg
http://www.yourgamercards.net/trophy/a/CaptainRockman.png