As to the discrepancy in the amount of 0.001~ I am assuming that it is attributable to the commission or fees that bustadice takes for withdrawals? Or deposits? Could be wrong.
Seems unlikely. Bustadice is quoting me 2531 satoshis for an instant withdrawal (although that amount is constantly changing), while the amount missing is 143023 satoshis, which to me seems way too high to chalk off as fees.
Assuming everything in your story is as described, it could give interesting insight. I would try chase up exactly what happened. We have a few possibilities if your account was compromised:
a) They gambled the $10, then decided with withdraw the rest.
If so, why were they not worried about getting noticed?
b) They withdrew everything but $10, which they left to gamble.
If so, this seems to indicate they are a compulsive gambler, or something?
c) They were sloppy and just threw away $10?
If so, weird. The withdrawal form has a "max" (and iirc default to it).
I checked and it appears that my funds are now parked at a BTC address with a total of approximately .18 or so BTC. The funds are sitting there so hopefully chainanalysis will help.
I would be careful to not try do your own blockchain analysis, it's quite a bit more subtle than you imagine. Just report the direct address you were given (even though it currently has 0 balance), if you didn't withdraw there -- and let the experts try track where it flowed to.