ThreeBuckApps

Hold'em Eval is an iPhone application that calcuates the chance of each player to win the hand with the given cards, board and dead (exposed) cards.

To calculate your odds just "dial" in the cards for each of the two players and hit the "Evaluate" button.

If there have already been cards on the board (flop, turn, or river) you may enter those as well.

You can use the "Player 1", "Player 2", "Board" and "Dead" buttons to directly go to the cards you want to enter. Alternately, you can use the "Next" button to advance to the next two cards.

The "C" button clears all the cards if you want to try a completely new calculation.

"Player 1" is usually the cards you (our hero) were holding for the calculation and "Player 2" is your opponent.

Selecting the "Player 1" or "Player 2" buttons dials up the spinner to the cards already entered for each player and lets you edit the selected player directly.

"Board" is the common or shared cards in Texas Hold'em.

Selecting the "Board" button cycles from any non-board cards to the first two cards on the board, then the second two cards, then the fifth card on the board.

When the fifth card is selected the right card spinner has no effect. The left spinner is entered as the fifth board card.

"Dead" refers to cards that were exposed to you during the hand so that they are not going to show up on the board.

Selecting the "Dead" button cycles from any non-dead cards to the first two cards dead cards, then the second two cards, then the fifth dead card.

When the fifth card is selected the right card spinner has no effect. The left spinner is entered as the fifth board card.

Only five dead cards are allowed to be entered.

Notice: the calculation algorithm is significantly slower when the combination of dead cards with NO board cards is selected. This was an implementation tradeoff to optimize for the other situations as knowing dead cards is significantly less common.

If the "Evaluate" button is dimmed it cannot be selected. It will be selectable when both players 1 and 2 have two valid cards, there are no duplicate cards and there are no partially entered cards.

When you see the "Duplicate" red box it means that you have entered the same card more than one time. This is not possible with legal deck of cards so cannot be calculated.

Correct the duplicates in order to calcuate the odds. The duplicate cards are highlighted in red.

If you select some dead cards and NO board cards the odds will take a long time to calculate. This is because Hold'em Eval is optimized for the very common situations and has to calculate this situation the hard way.

The time the calculation takes varies depending on several factors of what is going on in your phone at the time it starts.

The results window on the bottom right of the display will show the calculation results along with the cards selected.

These results show that Ace and King of clubs will win 55.2% of the time against Queen of diamonds and Queen of hearts when the flop came with Jack and Ten of clubs and Eight of hearts. In this particular example there is a 0.0% chance of a tie.

All calculations were calculated EXACTLY but rounded to the nearest 0.1%. The results are not estimates.