My friend plays a lot of competitive poker. He'll show up after months of being off the grid muttering about being in the middle of a $50,000 downswing, and disappear once he's mentally refreshed enough to make another minor fortune.
i had a friend in a similar position a few years ago (but living in the US) - he ended up having most of is money locked up when poker stars and the other major players we out of business - im not sure if he got it back ...