Poker is a card game with betting that involves a lot of luck and psychology. It can be very fast-paced, with players calling and raising on every round until one player has all the chips. Despite its reputation as a pure game of chance, it is actually a game of very high skill.
Traditionally, the game is played with a standard 52-card pack, plus a joker which can be used as a wild card in certain situations. The cards are ranked from highest to lowest: Ace, King, Queen, Jack, 10, 9, 6, 5, 4, 3, 2. A poker hand has five cards and the highest is the winner (Five aces beats four of a kind, which in turn beats five kings, etc).
In most games, each player places an ante before being dealt two cards face down and two faces up. Once everyone has their cards, they then place a bet into the pot in the center. Then each player shows their hand and the highest wins the pot. Players can also pass on their turn to act if they don’t want to raise or call.
During a poker game, the most interesting things are often the reactions of the players to their cards and how they interact with each other. Try to focus on these elements when writing about a poker scene. For example, pay attention to what happens when a player’s bluff is called and who flinches or smiles. This is a good way to add some plot conflict to your scenes.