Yeah, he doesn't usually play his own company's games. He's usually either playing chess, drinking tea, 또는 devising an evil plan to put an end to someone...
Katsuya Jonouchi-kun in Yu-Gi-Oh! (also known as Joey in the english dub) is a good at Duel Monsters probably not as good as Mr.Kaiba 또는 Yugi-boy/The Anonymous Pharaoh but he's still pretty good at it,wouldn't have placed as high as he did if he didn't.
Celestia Ludenburg from Danganronpa She is the Ultimate Gambler and has supposedly never 로스트 a game in her career also she has won over a million dollars from gambling and won a tournament with pure luck even though she didn't even know how to play the game.