There have been serious violations of the rules. In 2010, eleven "StarCraft: Brood War" players were found guilty of fixing matches for profit, and were fined and banned from future competition. Team Curse and Team Dignitas were denied prize money for collusion during the 2012 MLG Summer Championship. In 2012, "League of Legends" team Azubu Frost was fined US$30,000 for cheating during a semifinal match of the world playoffs. "Dota 2" player Aleksey "Solo" Berezin was suspended from a number of tournaments for intentionally throwing a game in order to collect $322 from online gambling. In 2014, four high-profile North American "Counter-Strike" players from iBuyPower, namely Sam "DaZeD" Marine, Braxton "swag" Pierce, Joshua "steel" Nissan and Keven "AZK" Lariviere were suspended from official tournaments after they had been found guilty of match-fixing. The four players had allegedly profited over US$10,000 through betting on their fixed matches. Gambling on esports using "Counter-Strike: Global Offense" "skins", worth an estimated US$2.3 billion in 2015, had come under criticism in June and July 2016 after several questionable legal and ethical aspects of the practice were discovered.