Closed my account and refuse to pay my 2500.00of legitimate winnings

I came across this casino deposited a total of 170.00 played the three stooges hit for a good amount I contin to play my last machine I hit for was ghost ship I got almost all the ghosts and there wild when I hit that machine with the wilds it payed out a little bit more than 3100.00 I decided to play it down to 2500.00 I asked for a withdrawal they asked for all my documents I sent them in they made me wait for a week for an answer finally today I get an answer saying there is charge backs from other casinos this is such a lie they closed my account and are refusing to pay please players be cautious of this casino I never had to write a complaint but this casino is not fair ask gamblers please help with getting this resolved so I can get my payout this is totally acceptable and then they close my account not fair slotter casino.