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
Betting in poker deal begins. Often this is either a single "unit" (a one-value or the smallest value in play) or some other small amount; a proportion such as a half or a quarter of the minimum bet is also common. An ante paid by every player ensures that a player who folds every round will lose money (though slowly), thus providing all players with an incentive, however small, to play the hand rather than toss it in when the opening bet reaches them. Antes are the most common forced bet in draw poker and stud poker but are uncommon in games featuring