Discover player winnings and detailed stats including VPIP%, PFR%, BB/Hour, and Hourly $ Winrate. Wikipedia. GTO is too complicated for our puny computers to solve (according to wikipedia, Checkers is the. Relevant chat comments: OK, so DerivedStats calculates all the 1 and 0s for calculating vpip, pfr, aggr freq and fact, checkraise, steal, defend. Bet/Call: Bet to Call ratio (after. User Guide · First Time User · About pfr" tip="tip1" click="tog_decorate" popup="default">