World Series Of Poker Winner Betting Odds. Get the best available World Series of Poker odds from all online bookmakers with Oddschecker, the home of 1. Sep. - Juli. In poker, the probability of each type of 5-card hand can be computed by calculating the proportion of hands of that type among all possible hands. Frequency of 5-card poker · Frequency of 7-card poker · Frequency of 5-card. Part 4 in a part series for the beginner poker player, this article will look at some simple tricks and tips for understanding basic poker odds.