Given that a handful of names occupy Gold places in kaggle competitions, I would not call it luck. Given how hard it is to stay at the top on private set, I wou

Given that a handful of names occupy Gold places in kaggle competitions, I would not call it luck. Given how hard it is to stay at the top on private set, I would not call it luck. The winning models are hardly ever used in production, but the set of skills needed to get a gold is.