At least Grand Casino Helsinki which i have mostly played at has "one night, one stack" rule. It states that if you return to a table where you played before you must begin with same stack that you had when you left (or min buy-in, if its less than that). But of course its not very strictly enforced.
Anyways i don't really see why this rule should be used at BK. Its not used anywhere i've played at online.
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