The data shown was generated by simulationg 3 million games and analysing their outcomes.
For every hand that won the value for the hand is counted up for every hand that lost the value is decreased by 1. Hence a hand that wins more than it looses will be positive and the other way around.
You can see how strong the pairs and in comparison with other high cards like A-K or K-Q. They are nearly 4 times as strong. But pay attention: these values are only valid for headsup situation.
|Poker Cheatsheet #1 Preflop|