hello I play sngs,
anyone knows a roi calculator, where I put games played and my roi, and it will show me max possible downswing, bankroll management, and true roi ( i.e. my roi is 11,2 after 1137 games, so my true roi would be lets say sth from 7,8 to 14,6)

thank you.

http://www.evplusplus.com/

-> risk-of-ruin calculator
-> variance simlator (doesn't seem to work atm tho...)