Ok than the numbers are definitely very good.
The sample size is not that significant though, especially the turbos have such extreme variance that you could still be running hot. In fact you could even be running bad if you were an exceptional player.
For non-turbos I think 1000 is a decent sample size. For turbos several thousand is ok. The more the better, of course. If you can maintain your current winrate, that is also very good, since it means your variance must be lower. Then maybe a smaller sample size is sufficient.
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