Beta: Poker Starting Hand Inference Program,
or Poker SHIP

At the core of Poker SHIP is an algorithm to piece together a Texas Hold'em player's starting hand table based on observed hand histories. Most players use a starting hand table as a guideline for deciding which hole cards they should raise, call, or fold with before the flop. Many of us ordinarily estimate their starting hand table with just two or three statistics, such as the percentage of hands where they voluntarily put money in the pot (VPIP). While valuable, these stats leave out a lot of details, such as how the player adjusts their play based on position and the action before them. With Poker SHIP, you can gain insight into their entire opening strategy.

In Poker SHIP's “Observed” tab, you can view which hands your opponent played broken down by their position and the action before them. Additionally, you can see how often they raised, called, or folded in each situation in the “All” row.

Poker SHIP displays the cards your opponent played in various
preflop situations

Poker SHIP uses the raw data displayed in the “Observed” to infer your opponent's complete starting hand table, based on the hand history data you've collected and an elaborate set of Bayesian inference rules.

Poker SHIP infers your
opponent's starting hand table

We're constantly working to improve Poker SHIP's inference rules. By using Poker SHIP to examine your own starting hand table, you can evaluate Poker SHIP's accuracy for yourself. If you have a new inference rule to suggest, send it to support@pokersleuth.com.

Evaluate Poker SHIP's accuracy based on your starting hand table

View the list of online poker sites supported by Poker SHIP's hand history parser.

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