Non-standard poker hand Non-standard poker hand Non-standard poker hands are hands which are not recognized by official poker rules but are made by house rules. Non-standard hands usually appear in games using wild cards or bugs. Other terms for nonstandard hands are special hands or freak hands. Because the hands are defined by house rules, the composition and ranking of these hands is subject to variation. Any player participating in a game with non-standard hands should be sure to determine the exact rules of the game before play begins. The usual hierarchy of poker hands from highest to lowest runs as follows (standard
Poker probability Poker probability 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. Probability and gambling have been an idea since long before the invention of poker. The development of probability theory in the late 1400s was attributed to gambling; when playing a game with high stakes, players wanted to know what the chance of winning would be. In 1494, Fra Luca Paccioli released his work "Summa de arithmetica, geometria, proportioni e proportionalita" which was the first written text on probability. Motivated by Paccioli’s work,