https://www.primedope.com/poker-variance-calculator/
呢個網對D bankroll management 無乜概念既poker新手幾有用
可以比你輸入你既winrate 同std dev BB/100
睇下唔同winrate 下 downswing可以去到乜程度
當然std dev BB/100 都有影響 呢個就取決於你本身既打法同埋個game 會唔會好swingy (e.g. straddle game)
online 黎講一般都要100-200k hands sample 先夠大estimate 到你既long term win rate(尤其打zoom/ rnc呢D edge 愈細既game所需要既sample size就愈大)