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
Cheating in poker sort, like arranging their chips in a certain manner. In a poker tournament, when one player is all in and two other players are active in the pot, it is common for the two players with chips left to "check it down", or check on each round of betting through the end of the hand. Unless they explicitly communicate an agreement about checking it down, this is not collusion. Online play has allowed for new methods of cheating while other methods based on physical objects such as cards or chips are impossible. One new form of cheating is the use