At today’s Yu-Gi-Oh! Open Play at the Lorain Public Library, longtime player Ernie Hernandez referees matches of the mega-popular Japanese card game. “The game promotes friendship, math skills, and decision-making,” he says. “It’s still evolving, but the most important thing is to have fun.” There are more than 2,000 registered duelists in Ohio; Hernandez ranks in the Top 375 after participating in many regional tournaments. “I’m taking my A-game with me every time,” he says. “I may not be a champ yet, but I’m a well-rounded and seasoned opponent.”

Tue., Dec. 12, 4 p.m.