Community card poker play the best five card poker hand from any combination of the seven cards available to them. In Irish poker, each player is dealt four cards before the flop. After the betting round on the flop is completed each player must discard two cards. From this point the game is played exactly like Texas hold 'em with betting after the turn and river. At showdown, each player uses their remaining two cards along with the board to construct a hand. Players are dealt three hole cards instead of two with three betting rounds: pre-flop, flop and turn. Players can use
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,