how many big blinds per 100 hands is considered...

[carnivalhobo]

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Out of interest, what is a good sample size for proof you are a winning player? Can't find this anywhere, so might aswell post it here, rather than clutter the forum with another gay thread.

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there is a website that tells you for a given confidence interval what you winrate is, and if you get one thats entirely positive with like 90% confidence, then you can be sure. Let me see if i can find it, i would say that anything less than about 50k hands is useless as far as winrate, but something more like 20k at SSNL should be a good indicator of if you are a winner or not.