I doing these on CHIPS casino, but they're don't want to do it. It's sucks for me, but what I can do.

Duelbit is one of the reputable platform here in the forum and I believe they'll want to maintain that reputation by serving the customers with utmost satisfaction to their ability. Since you have bring the issue to the attention of the public in the forum, let await the take of Duelbit team on the case and see how it will end.

Since the address is valid, Duelbits should have received it. So, there is a possibility that you can still recover it, but it will greatly depend on them. I think you did not double-check your inputs before confirming the transaction; if you do, though, it was not 'comprehensive.' We all know that this happened because of your negligence; it's good that you seem to be aware of it. Have you tried bringing this up on their thread here?

At least giving him a time frame for recovering the fund would give hope that it will recover sooner or later.

Yes it should be possible since ultimately they are the owners of the address

But it depends if they are willing to do this, it will someone un the highest position who has the means and the access required to send those coins to you,

I did a similar mistake when i deposited on the wrong chain on stake's address , they refunded me in 1 hour but they charged like 5 or 10% (i dont remember)

Maybe u can offer some retrieval fee to duelbits if they are willing to help you, this is a significant amount and i hope they do it