The Electronic Sports League (ESL) is the largest and most important league for gamers in Europe consisting of more than 940,000 active members and more than 470,000 registered teams. ESL is operated by the company Turtle Entertainment GmbH since 2000 and offers more than 1,800 professional leagues and amateur ladders from a variety of games. More than 190.000 matches per month are being played worldwide using the ESL technology. The ESL website currently reaches above one million unique visitors a month and about 10.000 people register every month.