Poker round, if one player bets, no opponents choose to "call" (match) the bet, and all opponents instead "fold", the hand ends immediately, the bettor is awarded the pot, no cards are required to be shown, and the next hand begins. This is what makes bluffing possible. Bluffing is a primary feature of poker, one that distinguishes it from other vying games and from other games that make use of poker hand rankings. At the end of the last betting round, if more than one player remains, there is a showdown, in which the players reveal their previously hidden cards and
Draw poker or no limit betting structure. Five-card draw, with no joker, and deuce-to-seven low hand values is called "Kansas City" or "Low Poker" or even "Billy Baxter" draw in honor of the player who dominated the world championship in the event for many years. Often the game is played no-limit. The 7-high rule and the no check-and-raise rule do not apply. In the eastern United States, the United Kingdom, and elsewhere, ace-to-six low hand values are common. Any game above can be played with two or three draw phases and therefore three or four betting rounds. Triple draw lowball, either ace-to-five