Big O is five-card Omaha Hi/Lo, eight or better. Enter the hands and board, and see each hand's share of the pot, counting the high half and the low half.
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We computed these with the same engine as the calculator, by counting every possible deal. Hand A is the first hand in each spot. Equity is the share of the pot a hand takes on average if no one bets again; it isn't advice on how to play.
The flop has three low cards, 5, 7 and 8. Hand A holds four low cards and a nine. Hand B holds broadway cards only.
Flop: Five of diamonds Seven of hearts Eight of clubs
| Hand | Cards | Equity |
|---|---|---|
| Hand A | Ace of spades Two of diamonds Three of hearts Four of clubs Nine of spades | 66.2% |
| Hand B | King of spades King of diamonds Queen of hearts Jack of clubs Ten of diamonds | 33.8% |
Hand B flopped a set of nines. Hand A holds a pair of aces with a two, a three and a five.
Flop: Nine of spades Four of hearts King of diamonds
| Hand | Cards | Equity |
|---|---|---|
| Hand A | Ace of spades Ace of diamonds Two of hearts Three of clubs Five of spades | 25.8% |
| Hand B | Nine of hearts Nine of diamonds King of clubs Six of spades Six of clubs | 74.2% |
Both hands hold an ace and low cards. The flop has two low cards, 6 and 7.
Flop: Six of clubs Seven of spades Jack of diamonds
| Hand | Cards | Equity |
|---|---|---|
| Hand A | Ace of spades King of spades Two of hearts Three of diamonds Nine of clubs | 57.9% |
| Hand B | Ace of hearts Queen of hearts Four of diamonds Five of spades Ten of diamonds | 42.1% |
Each player gets five hole cards and uses exactly two of them with exactly three board cards, for the high half and for the low half. The low half needs five different ranks, none higher than an eight, and an ace counts low. Straights and flushes don't hurt a low. If no hand makes a low, the best high hand takes the whole pot.
There are 2,598,960 possible 5-card starting hands, and each one contains 10 two-card combinations you could choose to play. The calculator seats 9 players at most.
What the calculator does here. Flop and turn spots are usually exact. The results also show how often a qualifying low appears. Preflop is simulated.
Poker equity calculator (educational). This tool shows each hand's equity: the share of the pot it would win on average if all the remaining cards were dealt with no more betting. It uses only the cards you enter and treats every unknown card as equally likely. It ignores betting and how anyone plays, and it cannot tell you what will happen in a hand or what to do. “Exact” results count every possible deal. “Simulated” results are estimates; the plus-or-minus figure means each player's true value is very likely (95% confidence) within that range. Nothing you enter leaves your device. Many card rooms and poker sites do not allow calculators during a hand; check their rules.