It is a well known issue that they have the slowest withdrawal process, maybe atm they do not have that amount (9.84btc) then they asked you to make 49 x 200mbtc withdrawals. Indeed, it does not make senses why they should ask this type of withdrawal.
Keep updating your issue here and in the scam accusation thread, hope you'll get your money. Anyway why you decided to deposit and play in this site while there are some issues like their rigged slot games and slow withdrawal?
He maybe a risktaker at heart but now he experience the result of his risktaking, this issue should be really address by them and needed to taken action immdiately, and i really think that they running a gambling site even they don't have enough balance to pay if their gamblers win, and if that case is truly true well this should b a great warning to their possible gamblers so they will not experience the same bad issue against this site.