Sorry for your losses. Please post all of your valid proofs on here instead your account ID since it's useless to post on here.
https://bitcointalk.org/index.php?topic=5266815.0 you can try to ask them on that link, since they said they were tried to solve all problems on their sites. But until now there are still ton of problems unsolved.
They have known as one of scam gambling site, didn't you knew before you made a deposit?
What's the point to post the proves and all these stuffs. Is anyone here who believe that 1xbit will not scam? They have a proven history of scamming their clients and this could be another easy one. Check all the accounts they have created on this forum and the trust feedback they have earned.
I don't understand why people still create account with 1xbit and gamble with real money on their platfrom.