You need to win 10 chests in a rolling 28 day period to upgrade. If you dont complete the chest, you are currently earning points for, before 1. oktober 2019, it will expire. On level 1 most chests now contain a 50c ticket for a spin n go. So you have to play these spin n gos and hope to win something.
Maybe not a huge deal, but I certainly preferred the old system, where I could change the coins to cash and spend it, as I wanted to, or use them to buy tickets for regular tournaments. On the upside these reward Spin n Gos tend to be pretty soft, since bad players also get rewards, and a lot of people dont care all that much about fighting for a dollar, which is the most common price pool.
So if you are not a complete donkey, you can likely have a positive ROI in these things. But even so you are spending time on it, and I have to say, that for me the reward system on Stars has become a bit of a joke. You have to play a lot to earn one of these chests, and upgrading is only realistic for full time grinders or people playing at least mid stakes. The rake-back on level 1 is probably 2% or something like that.
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