 PokerTracker 's probability graphs , as well as historical statistics of the hands a user and his or her opponents have played , enable the user to analyze conditional statistical possibilities and optimal betting amounts . The situations it analyzes are conditional on the opposition 's playing characteristics and the player 's position relative to the dealer . Graphs can be produced for a single session or for any part of one 's playing history . One of the biggest improvements in PokerTracker 3 over PT2 is that it is fully customizable so that all statistics and reports can be tailored to the individual user . The Guardian claims most serious players use PokerTracker during online play to constantly calculate situational <unk> . 
