Christopher Paul Doering (born May 19, ) is an American former professional football player who was a wide receiver for seven seasons in the National. For the poker player, see Roy Winston (poker player). The card game of poker has many variations, most of which were created in the United States in the mids through the early s. Relevant chat comments: OK, so DerivedStats calculates all the 1 and 0s for calculating vpip, pfr, aggr freq and fact, checkraise, steal, defend. Stats over small sample sizes are quite representational as long as you look at the more general things (VPIP/PFR/agg/3bet). Hi, is it possible to have in hud, the gap between VPIP and PFR? many thanks. The present work was developed with the purpose of modeling actions of players in the game of poker and classify them as winners or losers using statistical and. User Guide · First Time User · About pfr" tip="tip1" click="tog_decorate" popup="default">