Omaha High poker (also known as Omaha High) is a popular poker game variation. There are three types of Omaha High games:
- Limit Omaha High - specific betting limits are applied to each round of betting
- Pot Limit Omaha High - after the blinds are posted, players can wager any amount up to the total amount of money in the pot
- No-Limit Omaha High - after the blinds are posted, players can bet all of their chips at any time
All of the betting scenarios given as examples below are specifically applicable to Limit Omaha High poker. The other two versions of Omaha High have different betting patterns.
Play begins with the person sitting in first position at the table becoming the dealer (or "button"). The dealer button moves clockwise around the table after the culmination of each hand of play. The player immediately on the left of the button must post the small blind, while the player on the left of the small blind must post the big blind. The small blind is equal to half of the table's minimum bet, while the big blind is equal to the minimum bet. For example, at a $1/$2 Omaha High table, the small blind would post 50 cents and the big blind would post $1.
Sometimes, more than one player will post a big blind in a given hand. This would occur if a new player joins a table at which a game is already underway. Before a new player is allowed to start playing, he/she has to post the big blind. The new player has the option of waiting for the dealer button to arrive at his/her position, in order to place the big blind in turn, or of posting the big blind (out of turn) at the start of the next hand for the immediate ability to play. All blinds in Omaha High poker are considered live bets, and the players who posted them will also have the option to check, call, raise or fold when the betting action returns to their position at the table.
After the blinds have been posted, four down cards (or "hole" cards) are dealt to each active player, after which the first betting round begins. The player to the left of the big blind starts the betting for this round. Each player will now have the choice to call or raise the blind bet, or fold his/her cards.
In a $1/$2 Limit Omaha High game, each bet is $1 (the lower limit) in the first round. If someone wishes to bet, the bet placed is for $1, no higher or lower. If another player wishes to raise the bet, $2 are placed in the pot, $1 to call and an extra bet of $1 (no more and no less) as the raise.
Players who wish to continue participating in a given hand must match any bets that come their way. Betting will continue until all people who wish to participate in the hand have checked, bet, or called. Typically, three or four bets/raises are allowed per betting round in Limit Omaha High
After the first round of betting is over, the "flop" (the first three community cards) is dealt face up on the playing surface. The community cards are common to all players participating in the hand.
After the flop, and in each subsequent betting round, the first active player left of the button is first to act. In Limit Omaha High, the betting structure for the second round is exactly the same as in the first round.
After the second round of betting is over, the fourth community card (also known as the "turn") is dealt out on to the board face up.
The third betting round again begins with the first active player to the left of the button. In $1/$2 Limit Omaha High, bets in the third betting round are $2 (the upper limit). If someone wishes to bet, he/she must bet $2, no more and no less. Each raise must also be made in $2 increments. For example, if someone bets in the third round and an opponent wishes to raise, he/she must place a total of $4 in the pot in order to do so.
At the end of the third round of betting, the fifth community card (also known as the "river") is dealt out on to the board face up.
The fourth (and final) betting round now takes place. In Limit Omaha High, the betting structure for the fourth round is exactly the same as in the third round.
After the betting is completed, players reveal their hole cards in a "showdown" and the one with highest hand wins the pot.
After the final round of betting, in order to determine a pot's winner, players need to ascertain who the highest hand belongs to. They do so in a "showdown". If players choose, they may concede the hand to the winner and "muck" (not reveal) their hole cards, so as not to indicate to their opponents what their strategies were (or if they were bluffing). This might be risky for novice players, however, as they may not be aware that they are holding a winning hand.
A winning hand in Omaha High must be made up of two of a player's four hole cards (no more and no less) plus three of the five community/board cards (no more and no less). Thus, a player cannot "play the board", as in Hold'em games.
If two or more hands are of the same ranking and tie for the win, the pot is split as evenly as possible among the winners. Online, if there is an odd chip, the winning player closest to the left of the button/dealer will receive it. In live poker games, an odd chip is traditionally left in the pot for all players to compete for in the following hand.
*In No-Limit and Pot-Limit Omaha High, there are some minor differences to the rules listed above as far as betting goes. They are listed below.
Betting Rules for Pot-Limit Omaha High
Minimum raise: The amount of a raise must be at least as much as the previous bet or raise in the same round. For example, if the first player to act bets $100, raisers must raise at least another $100 (for a total bet of $200), unless they don't have enough chips to do so, in which case they are ruled to be "all-in".
Maximum raise: The total amount of the pot. The size of the pot is defined as the amount the active player must first call before raising plus all active bets on the table. For example, if $5 is currently in the pot and a player has bet $1, the next active player may raise up to $6. If he/she does so, then the next active player may raise up to $12. If someone has gone "all-in," the main pot is considered dead when calculating the total pot size, which is then only determined by the size of the side pot.
Betting Rules for No-Limit Omaha High
Minimum raise: The amount of the raise must be at least as much as the previous bet or raise in the same round. For example, if the first player to act bets $100, raisers must raise at least another $100 (for a total bet of $200), unless they don't have enough chips to do so, in which case they are ruled to be "all-in."
Maximum raise: A player's entire stack (amount of chips on the table).
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