Poker is a card game of chance played with a standard 52-card deck. Each player has the option to check, call, raise or fold their cards during a betting round and the winner of each hand is determined at the end of the round. Different games have varying rules and betting rounds, but most share the same basic mechanics of betting in rounds. Many variations of the game exist, including draw, community card, stud and razz.
During a betting round, players can either check, call the bet of another player or raise (or re-raise). Players must play their hands according to the rules of the particular game they are playing. If a player has the best hand, they take the pot. If there are multiple hands with equal value, a showdown takes place where the player reveals their cards and the winning hand is declared.
Rule 16: Face Up for All-Ins
Once a player is all in, their down cards must be turned up immediately to prevent other players from making any further bets on that hand. Failure to do so may result in a penalty from the floor staff.
Players, dealers and the floor are entitled to a reasonable estimation of an opponents’ chip stacks at all times (Rule 25). Visible and countable chips greatly improve counting accuracy.