Poker is a family of games, not one universal ruleset. Start by identifying who you play against, how a hand is built and how much you can bet.
Player-versus-player or dealer-banked?
In a poker room, players compete for the pot and the operator normally charges a rake or tournament fee. In dealer-banked variants such as Three Card Poker, the rules specify wagers against the house and separate payout tables. A casino advertising “poker” may mean either. Confirm the actual game before looking for the format used by a famous player.
Texas hold’em: the basic round
Each player receives two private cards. Betting occurs before the flop, after the three-card flop, after the turn and after the river. At showdown, the best five-card hand from the available private and community cards wins; a player may use two, one or none of their private cards. A player can also win when every remaining opponent folds.
For standard high-hand poker, the ranking descends from straight flush through four of a kind, full house, flush, straight, three of a kind, two pair, one pair and high card. Suits do not create a higher rank between otherwise equivalent hands. When hands tie, the pot is shared under the game’s rules.
Formats that change the calculation
| Format | Hand construction | Important difference |
|---|---|---|
| Hold’em | Best five from two private and five community cards | You may play the board. |
| Four-card Omaha | Exactly two private cards and three community cards | One matching hole card cannot make a flush with four suited board cards. |
| Deuce-to-seven lowball | Five-card low hand; aces high | Straights and flushes count against the low. |
| Dealer-banked poker | Specified by that game’s rules | You face house rules and payout tables rather than a field of opponents. |
Betting structure and tournament chips
No-limit permits a player to wager their available stack within the game’s rules. Fixed-limit uses specified betting increments. Pot-limit constrains the maximum wager by the pot calculation. These structures change the price and size of pressure; the word “poker” does not identify which one applies.
Cash-game chips represent money at the table. Tournament chips determine survival and position in an event with a payout schedule; doubling a stack does not automatically double its cash value. Entry fees, rake and re-entry costs belong in the cost comparison.
A simple pot-odds example
Suppose the pot is $100 and an opponent bets $50. Calling costs $50 and creates a final pot of $200. Ignoring fees and later action, the break-even winning share is $50/$200=25%. Estimating that share requires an opponent range, not simply the one hand shown afterward. This is a hypothetical calculation.
Learn through recorded hands
Sources
Source pages checked 5 October 2026. Historical results refer to the dates stated; examples marked hypothetical are Casino101 calculations.

