OP your complaints has no basis. No proof, you did not mention the type of game you played, you did not mention the casino if possibly it is one and also, here is not the right place to lay complaints as this is possibly has to do with the reputation of the casino you played the game and won. You can put up a complaints here
https://bitcointalk.org/index.php?board=129.0. I think this would serve you better.