The terms and conditions for playing the Poker game may vary depending on the type of cards chosen. The poker is almost similar to the gambling game except the way in which the winner is rewarded. The money for the winner is placed inside the pot purposely by the players. Each player believes that he will get his expected value. The outcome of the Poker cannot be predicted. It is considered as a matter of chance and luck. The probability is the key factor of this poker game. The ranking of the poker is done by the number of bets faced by the players. The pokers are classified into three families of variants. It depends on the card dealing and betting protocols of the game. The three variants in the poker are straight, stud and draw. The straight variant is considered as the oldest family of the poker game. This straight variant was based on the primero game. The stud is the game in which the cards care arranged using many combinations. A seven card stud is the most famous game in the stud variant. The community family consists of two variants such as the Texas hold-em and the Omaha.