Sweden is now a regulated market, which means that as a player you can only play at casinos with a license. See all regulated casinos in Sweden by Mr casinova.
This year's Maintz tournament featured a field of 701 contestants, 156 titled players (including 44 GMs), 11 rounds to determine the winner of the unofficial world rapid chess championship. Gata Kamsky won the event with an amazing 10 out of 11, but a few other super GMs were right on his heels.