B-Provius
A person so good at video games they could probably beat your pet in a game of chess.
My brother is a B-Provius. He beat me in Super Smash Bros. and I got wrecked.
I tried to beat my friend in Rocket League. He was a B-Provius. I got crashed into the sky.
My teacher is a B-Provius. She beat me in Pokémon and I got a C for my report card.